A student reads that Cnidarians have two layers of tissue during development.
Which answer describes a possible tissue layer?

A)deuterostome

B)ectoderm

C)radial

D)pseudocoelom

Answers

Answer 1
The answer is D because I just did that answer on my question
Answer 2

Answer:

it is ectoderm

Explanation:


Related Questions

What is an energy pyramid?​

Answers

Answer:

An energy pyramid, also known as a trophic or ecological pyramid, is a graphical representation of the energy found within the trophic levels of an ecosystem.

Multiple Choice: Choose the best answer.
In the study of the medium ground finch, Geospiza fortis, the significant regression of mean offspring beak depth on mid-parent beak depth supports which of Darwin's four postulates?
A) individuals within species are variable
B) some of these variations are passed on to offspring
C) in every generation more offspring are produced than can survive
D) the survival and reproduction of individuals are not random
E) "A" and "B"

Answers

The significant regression observed in the study of the medium ground finch, Geospiza fortis, supports Darwin's postulates that individuals within species are variable (A) and some of these variations are passed on to offspring (B). Here option E is the correct answer.

The significant regression of mean offspring beak depth on mid-parent beak depth in the study of the medium ground finch, Geospiza fortis, supports Darwin's postulates that individuals within species are variable (A) and some of these variations are passed on to offspring (B).

Darwin's first postulate states that individuals within a species exhibit variation. In the case of the medium ground finch, the study found that there is variation in beak depth among individuals of the species. This supports the idea that the finches are not identical but exhibit differences in their traits, including beak depth.

Darwin's second postulate states that some of these variations are heritable and can be passed on to offspring. The significant regression observed between mean offspring beak depth and mid-parent beak depth in the study suggests that beak depth is indeed a heritable trait. Offspring tend to have beak depths that are influenced by the beak depths of their parents, indicating that this variation is passed on from one generation to the next.

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Which sequence shows a correct pathway for the
flow of energy in a food chain?
A) bacteria → grass → fox → owl
B) grass grasshopper → frog - snake
C) fungi - beetle → algae - mouse
D) algae → snake → duck → deer

Answers

I think is B because the grasshopper is eaten by the frog and the frog is eaten by the snake.

The sequence grass →  grasshopper frog →  snake shows a correct pathway for the flow of energy in a food chain (Option B).

In a food chain, primary producers (e.g., plants and algae) generate organic compounds and energy that enter into the chain.

The primary consumers (e.g., herbivores) are organisms that eat primary producers.

Subsequently, secondary consumers (e.g., carnivores) are organisms that eat primary consumers and so successively in all the levels.

In conclusion, the sequence grass →  grasshopper frog →  snake shows a correct pathway for the flow of energy in a food chain (Option B).

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Aluminum is used to make cookware and cans. It is also
used to make vehicles, medicine, machinery, and even
deodorant

According to the graph, which industry uses the most aluminum?

O A. Transportation
O B. Building
c. Packaging
D. Machinery

Answers

The answer is A.Transportation

Answer: A.

Explanation: Transportation is the biggest fraction of the graph, as shown in the photo. Hope it helps! (ap3x approved) :))

T.F: a phylogenetic tree visually depicts the history of the evolution of species, populations, or genes. it is especially useful for studying the lines of descent and relationships among groups.

Answers

The visual representation of the history of a species, population, or gene's evolution is a phylogenetic tree. The links and branching patterns between various species or genetic lines are shown diagrammatically. The answer is true.

In biology and evolutionary research, phylogenetic trees are frequently used to examine the connections and lines of descent among collections of species or genes.

Since they offer a means of comprehending the evolutionary history and relatedness of various animals, phylogenetic trees are particularly helpful for examining the lines of descent and connections among groupings. Researchers can forecast common ancestors, infer evolutionary relationships, and learn more about the speciation and diversification processes by examining the branching patterns and the order of splits in the tree.

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What needs are not being met by a slow-moving or busy line at a school cafeteria? Identify the people, processes, and technologies that play a role in the issue you identified.

Answers

When you work in a School Lunch program, you’re bound to face challenges that pop up seemingly out of nowhere. That’s just the nature of serving hundreds or even thousands of students each day.

But, when you keep encountering the same Child Nutrition program problems, over and over, day after day, it’s likely more than just a coincidence.

Instead, there probably are bigger issues causing these problems.

The bad news is that it often can be unclear what these bigger issues are, which makes fixing them almost impossible.

The good news? We at Harris School Nutrition Solutions have spent thirty years working with the men and women of Child Nutrition programs all across the U.S., helping to diagnose and solve their School Lunch problems.

So, we figured we’d share with you some of the common school lunch-line challenges we’ve seen over the years, the real issues behind those challenges, and of course the solutions to both.

Knowing that birds are endothermic and crocodiles are ectothermic, can you use phylogenetic bracketing to predict whether dinosaurs other than birds are ectothermic or endothermic Match the words in the left column to the appropriate blanks in the sentences on the right. Terms can be used once, more than once, or not at all
- can - endothermic - birds - crocodiles
- ectothermic - cannot
We ___ use phylogenetic bracketing to predict whether dinosaurs other than birds were ____. We only ____ conclude that the dinosaur that gave rise to ____ was ____ as are all living ____.

Answers

Phylogenetic bracketing cannot be used to predict whether dinosaurs other than birds were endothermic or ectothermic.

The only conclusion that can be drawn is that the dinosaur that gave rise to birds was endothermic, based on the fact that birds are endothermic.

Phylogenetic bracketing involves making inferences about the characteristics of extinct organisms based on the characteristics of their living relatives. In this case, we know that birds are endothermic (warm-blooded) and crocodiles are ectothermic (cold-blooded). However, the presence of endothermy in birds does not necessarily imply that all dinosaurs, including non-avian dinosaurs, were endothermic.

Phylogenetic bracketing can only be used to infer characteristics in extinct organisms if those characteristics are found in all living descendants of a common ancestor. Since birds are the only living descendants of dinosaurs, we can only conclude that the dinosaur that gave rise to birds was endothermic. The characteristics of non-avian dinosaurs, whether they were endothermic or ectothermic, cannot be determined through phylogenetic bracketing alone.

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The population of peppered moths have changed over time. The population has changed from primarily light colored to dark colored moths. This is an example of...



a
Mimicry
b
Natural Selection
c
Selective Breeding
d
Camouflage

Answers

Answer: b

Explanation:

natural selection occurs when something adapted to the environment to give them an advantage or to survive  

Describe Why are trochophores of interest to biologists?

Answers

Answer:

Because it is also one of the larval stages in some other groups of invertebrates, and are used by biologists to deduce evolutionary relationships among different groups of invertebrates

Explanation:

hope it will help you.

Pleaseeeeee helppppppp

Answers

Looking at the chart, I notice a decreasing trend in the data. The total mass of the three US glaciers is declining over time.

How to explain the information

Firstly, the melting of glaciers contributes to a rise in sea levels. This increased water volume can lead to coastal flooding, erosion, and the loss of coastal habitats. Additionally, the melting of glaciers affects freshwater availability in certain regions, as many communities rely on glacial meltwater for drinking water, agriculture, and hydropower.

The lithosphere, hydrosphere, and cryosphere are different components of the Earth's physical systems: The lithosphere refers to the solid, outermost layer of the Earth. It includes the Earth's crust and a portion of the uppermost mantle. The hydrosphere encompasses all the water on Earth, including water in the oceans, seas, lakes, rivers, groundwater, and even water vapor in the atmosphere.

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Into what kingdom would each of the following be classified: Unicellular prokaryotes that live in dust. ______________________ Unicellular eukaryotes that line in pond water. _____________________ Multicellular eukaryotes that live all over the planet and consume food. ______________________ Unicellular prokaryotes that live in volcanic ash. _________________________ Multicellular eukaryotes that have cell walls and are heterotrophic. _______________________ Multicellular eukaryotes that have cell walls and are autotrophic. ________________________

Answers

Answer:

Unicellular prokaryotes that live in dust: Eubacteria

Unicellular eukaryotes that line in pond water: Protista  

Multicellular eukaryotes that live all over the planet and consume food: Anamalia  

Unicellular prokaryotes that live in volcanic ash: Archaebacteria  

Multicellular eukaryotes that have cell walls and are heterotrophic: Fungi  

Multicellular eukaryotes that have cell walls and are autotrophic: Plantae

Explanation:  

Prokaryotic organisms can be classified into two groups: Eubacteria and Archaebacteria. Eubacteria (i.e.,“true” bacteria) are unicellular prokaryotic microorganisms that live in normal environmental conditions. On the other hand, Archaea (Archaebacteria) are prokaryotic older organisms that thrive in extreme conditions (in this case, volcanic ash). Moreover, eukaryotic organisms can be classified into four kingdoms: Protista, Plantae, Fungi and Animalia. Protista are unicellular eukaryotes that live in different aquatic environments (i.e., oceans, ponds, streams, etc). Animals are multicellular, mobile, heterotrophic (i.e., organisms that cannot produce its own food) organisms whose cells lack walls. Fungi are heterotrophic organisms that acquire their food by absorbing dissolved organic compounds, whose cells have cell walls (but they lack chloroplasts). Finally, plants are multicellular autotrophic (i.e., organisms that produce their own food) organisms whose cells contain walls and chloroplasts (to produce food by photosynthesis).

Classification (8A.S, 8B.R, 8C.S]:Question 4
The classifications of four insects are shown in the table. Which two
insects are the most closely related?

Answers

Explanation is in a file.

This causes a population to reach its carrying capacity:
1. Habitat
2. Exponential growth
3. Niche
4. Limiting factor

Answers

The answer is 2. Exponential growth

plants release water vapor through their leaves via a process called ________. a. transpiration b. percolation c. condensation d. evaporation

Answers

The process through which plants release water vapor through their leaves is known as transpiration. This process plays a significant role in the water cycle.

The process through which plants release water vapor through their leaves is known as transpiration. This process plays a significant role in the water cycle. Explaining water vapor, transpiration and the significance of the process in the water cycle is given below: Water vapor is the gaseous state of water. When water molecules evaporate from a surface, they turn into water vapor. As the vapor rises in the atmosphere, it cools and condenses, forming clouds. When the clouds become too heavy with water droplets, they fall as precipitation in the form of rain, sleet, or snow. Transpiration is the process through which plants release water vapor into the atmosphere. It is the evaporation of water from plants through the stomata on their leaves. Transpiration helps in the uptake of water from the roots of the plant and also helps to regulate the temperature of the plant. Water vapor released through transpiration cools the leaf surface and the surrounding environment. Significance of transpiration in the water cycle: The process of transpiration plays a significant role in the water cycle. When water vapor is released into the atmosphere through transpiration, it contributes to the moisture in the atmosphere. The moisture eventually condenses and falls back to the earth as precipitation. This cycle of transpiration, evaporation, and precipitation ensures a constant supply of water to sustain life on earth. Thus, transpiration is an important part of the water cycle.

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2. Carbon has many benefits in an ecosystem. List three helpful ways carbon is used
by humans, plants, and other species:

1)

2)

3)

Answers

Carbon is a source of life found in all organisms. It’s half or carbon dioxide too, so it’s what we exhale, and when plants inhale

Carbon is used to build different macromolecules including lipids, carbohydrates and nucleic acids.

Carbon is a fundamental element that is required to build different types of macromolecules.

Carbohydrates are biomolecules consisting of carbon, hydrogen, and oxygen.

Lipids also contain carbon, hydrogen and oxygen, and they can also contain nitrogen, sulfur and phosphorus.

Nucleic acids (and also proteins) contain carbon, hydrogen, oxygen and nitrogen.

In conclusion, carbon is used to build different macromolecules including lipids, carbohydrates and nucleic acids.

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what featureofgenetic mutations can eventuallylead to the evolution of new species?

Answers

The feature of genetic mutations that can eventually lead to the evolution of new species is genetic variation.

Genetic variation is a term used to describe the variation in the DNA sequence in a population. Genetic variation occurs both within and among species, and it is responsible for the evolution of new species.

Genetic variation is the foundation for the evolution of new species. Mutations, gene flow, and genetic drift are the three processes that can cause genetic variation. Mutations are alterations in the DNA sequence, while gene flow refers to the transfer of genetic information from one population to another. Genetic drift, on the other hand, is a random event that causes genetic variation.

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How do the functions of DNA and RNA differ? *
1 point
DNA directs protein transport, while RNA aids in energy production.
DNA aids in energy production, while RNA directs protein transport.
O
DNA stores genetic information, while RNA relays genetic information for protein
synthesis.
DNA relays genetic information for protein synthesis, while RNA stores genetic
information.

Answers

DNA STORES GENERIC INFORMATION WHILE RNA RELAYS GENETIC INFORMATION FOR PROTEIN.

What most likely happens when water loses heat? Olt changes into ice Olt changes into vapor. Olis temperature increases Its temperature remains constant

Answers

Answer:

it changes into ice

Explanation:

When water loses heat, it begins to lose heat energy and the water begins to cool. If the water is not heated again, it may cool and turn into ice

lol helplpppppppppppppp

Answers

Answer:

Metamorphic for first

Igneous for secomd

Sedimentary for third

Explanation:

Pls vote me as brainlest!

First one is igneous rocks

Second one is metamorphic rocks

The third one is sedimentary rocks

Which of the following is a primary air pollutant?

smog

photochemical smog

carbon dioxide

ozone

Answers

Answer:

the answer is carbon dioxide

C — carbon dioxide is the answer.

Blood leaves the heart to go to the rest of
the body through the

Answers

Answer:

arteries

Explanation:

goes back through veins

Answer:

blood leaves the heart to go to the rest of the body through the aorta which is the main Artery carrying oxygenated blood

Can someone please help me if this is correct

Answers

Answer:

looks great!

Explanation:

Answer:

it looks great sorry

Explanation:

have a great day

Petra finds a discolored stain on the carpet at a suspected crime scene. What two presumptive tests might she use to determine if the stain is blood? First, Petra sprays the discolored area with , which returns a glowing blue color. However, she knows that this chemical might also turn blue with other substances that contain iron. Subsequently, she uses , which turns pink, indicating the presence of hemoglobin.

Answers

Answer:

First, Petra sprays the discolored area with  

Fluorescein

, which returns a glowing blue color. However, she knows that this chemical might also turn blue with other substances that contain iron. Subsequently, she uses  

Phenolphthalein

, which turns pink, indicating the presence of hemoglobin.

Answer:

a. luminol b. phenolphthalein

Explanation:

looked it up, luminol turns green and the other one turns pink

a bacterial gene (gene a) ordinarily makes a protein that binds to dna. a mutation of gene a causes an increase in the expression of gene b. we can conclude that

Answers

The conclusion of a bacterial gene (gene A) ordinarily makes a protein that binds to DNA and a mutation of gene A causes an increase in the expression of gene B that the protein created by gene A plays a role in repressing gene B expression.

There are several regulatory proteins that can bind to DNA and control gene expression. Gene A creates a protein that binds to DNA in this scenario. However, when gene A is mutated, its protein no longer binds properly, resulting in an increase in the expression of gene B. Therefore, it can be deduced that the protein produced by gene a represses gene b expression. This protein is involved in transcriptional regulation and may function as a transcriptional repressor.

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Smoking reduces the surfactant layer in the alveoli. This would cause which of the following to occur? (2 points)

A. Depressed macrophage activity

B. Destroyed red blood cells

C. Reduced ability of gases to diffuse through the water layer

D. Reduced ability of gases to enter or exit the alveolar space

Answers

I think it is A correct me if I’m wrong

Homeostasis is defined as A. the variety of foods that an organism takes in for energy and survival. B. the control of an organism's external environment, in order to increase comfort and outcompete other organisms. C. a condition, similar to hypnotism, in which an organism is made motionless. D. the dynamic regulation of an organism's internal environment to maintain conditions suitable for survival.

Answers

Answer:

D. the dynamic regulation of an organism's internal environment to maintain conditions suitable for survival.

Explanation:

5 countries with Very low undernourishment

Answers

Answer:

NIGERIA

AFGHANISTAN

CHAD

TIMOR-LESTE

MADAGASCAR

Explanation:

Nigeria
Afghanistan
Chad
Madagascar
Timor- Leste
:))

describe the cell structure of a typical plant cell. give the functions of each part of the cell structure

Answers

Answer: Plant cells have a cell wall, a large central vacuole, and plastids such as chloroplasts. The cell wall is a rigid layer that is found outside the cell membrane and surrounds the cell, providing structural support and protection. Plant cells have a cell wall, a large central vacuole, and plastids such as chloroplasts. The cell wall is a rigid layer that is found outside the cell membrane and surrounds the cell, providing structural support and protection. The central vacuole maintains turgor pressure against the cell wall. Nucleus - DNA Storage, Mitochondrion- Energy production, Smooth Endoplasmic Reticulum (SER)- Lipid production; Detoxification, Rough Endoplasmic Reticulum (RER)- Protein production; in particular for export out of the cell, Golgi apparatus- Protein modification and export, Peroxisome- Lipid Destruction; contains oxidative enzymes, Lysosome- Protein destruction. brainliest?

Explanation:

How might we determine if albinism is an inherited or acquired trait?

Answers

Answer:

In all types of OCA and some types of OA, albinism is passed on in an autosomal recessive inheritance pattern. This means a child or something else has to get 2 copies of the gene that causes albinism

The responses of plants to environmental stimuli such as light and gravity are called
A. Tropisms
B. Auxins
C. Dormancy
D. Cytokinins

Answers

QUESTION........

The responses of plants to environmental stimuli such as light and gravity are called

A. Tropisms√√√√√√√√√√

B. Auxins

C. Dormancy

D. Cytokinins

ANSWER........

The responses of plants to environmental stimuli such as light and gravity are called. Tropisms.

A. Tropisms

CAN I GET THE CROWN

Answer:

A. Tropisms

Explanation:

Hope this helps

Other Questions
answer please ill give brainlist and ten points hey cutie ! pls help me :)Ms. Jisoo is going on a trip to Hawaii. The function A(d)= 0.80d+200 models the amount A, in dollars, that Ms. Jisoo's company pays her based on the round trip distance d, in miles that Ms. Jisoo travels to do a job. Ms. Jisoo's pay increases by $ A)200B)80.200C)0.80D)200.80 Which part of the nervous system analyzes the information and initiates a response Please help me with this question if you can If f(x)=3-x^2,find f(-2) i need help with this! 3 facts about expressionism art style? q21: between thermal expansion and the input of freshwater (i.e., the melting of ice), what was the larger contributor to sea-level rise from 1993-2015? you might want to use a calculator for this. A man sued a computer keyboard manufacturer, charging that his repetitive stress injuries were caused by the keyboard. The jury awarded about $3.5 million for pain and suffering, but the court then set aside that award as being unreasonable compensation. In making this determination, the court identified a "normative" group of 27 similar cases and specified a reasonable award as one within 2 standard deviations of the mean of the awards in the 27 cases. The 27 award amounts (in thousands of dollars) are in the table below.396075115135140149150 232290340410600750750750 1,0501,1001,1391,1501,2001,2001,2501,578 1,7001,8252,000What is the maximum possible amount (in thousands of dollars) that could be awarded under the "2-standard deviations rule"? (Round your answer to three decimal places.) 1. True or false. The first word of your answer has to be either true or false. If the first word of your answer is not true or false, you receive 0 points. If the statement is true you are finished answering. If your answer is false, briefly explain why it is false. a. 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Use the binomial distribution function in Excel to answer this question Complete the table, for the following investments, which shows the performance (interest and balance) over a 5-year period.Suzanne deposits $4000 in an account that earns simple interest at an annual rate of 2%. Derek deposits $4000 in an account that earns compound interest at an annual rate of 2% and is compounded annually. if each square on the grid represents 400m squared, how many miles will your family travel in total