Why do scientist use scientific names to refer to organisms
a: common names are too complicated for scientist to remember
b:similar organisms in different areas sometimes have the same common name
c:using scientific names ensures that non-scientists do not have access to useful information about organisms
d: the scientific name tells the reader what domain the organism belongs to
Explanation:
Similar organisms sometimes in different areas have diffetent common names.
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Natural Selection Virtual Lab Report
Instructions: As you complete each slide of the Natural Selection Virtual Lab Activity, please fill in this lab report with the appropriate information and data.
Title:
Include your name, instructor’s name, and the name of the lab
Objective(s):
What is the purpose of the lab
Hypotheses (there are 2):
Include both if/then statements you developed during the virtual lab.
Variables:
Materials:
The Natural Selection Virtual Lab Activity
Natural Selection Virtual Lab Report
Procedures:
The procedures are listed in Natural Selection Virtual Lab Activity. You do not need to include them here.
Data and Observations:
Table 1: Rabbits in the light-colored environment
Generation
Rate of Survival for White Rabbits
Rate of Survival for Brown Rabbits
1
2
3
4
5
Table 2: Rabbits in the dark-colored environment
Generation
Rate of Survival for White Rabbits
Rate of Survival for Brown Rabbits
1
2
3
4
5
Data Analysis:
Part 1: In your data tables, you recorded the percentage of the rate of survival for both the white and brown rabbit in both the light-colored and the dark-colored environments.
Part 2: Using your percentages in part 1, create a graph that represents the rate of survival for the white and brown rabbits in each type of environment.
Insert chart [Hint: don’t forget to consider the relationship between your data and the type of graph to best represent your data. A bar graph would be the best option to analyze this data.]
Conclusion:
Be sure to answer the following reflection questions in the conclusion of your lab report:
Were your hypotheses correct or incorrect? Why or why not?
Using Table 1, which color rabbit had the higher rate of survival in the light-colored (white) environment? Explain why this occurred.
Using Table 2, which color rabbit had the higher rate of survival in the dark-colored (brown) environment? Explain why this occurred.
What color rabbit seemed to camouflage the best in this snow habitat, and why?
Questions:
Using what you have learned from the lesson and the virtual lab activity, answer the following questions in complete sentences.
How did the colors of each type of prey affect its population size over time?
How do you predict the data would change if you continued? Explain your answer.
What traits could help a predator be more "fit" to survive in each environment? Be specific.
Describe other adaptations besides color that could affect an individual's survival.
Explain what will happen if there are not enough resources to support the individuals in a species.
This experiment tested natural selection. What could be another possible mechanism of evolution for the rabbits to evolve? Be specific.
White Rabbits have a higher chance of surviving than Brown Rabbits since they can blend in along with their environment.
What is a brown rabbit's genotype?The B gene in rabbits regulates the coat's primary color. The B and b alleles make up the B gene. The B allele, which codes for the color black, is regarded as the wild-type allele. The b allele specifies a chocolate-colored base.
What in biology is a rabbit?Small rodents in the family Leporidae, which also includes the rabbit of the order Lagomorpha and the pikas, are referred to as rabbits, bunnies, or bunny rabbits. Oryctolagus cuniculus contains the 305 domestic rabbit breeds in the globe as well as the European hare species and its offspring.
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Sugar
02
CO₂
H₂O
What is the name of this energy pathway?
Answer:
Its called celular repiration
Explanation:
In order to determine the effect of muscle fatigue on the ability of students to squeeze a clothespin,
five male students did jumping jacks for three minutes and then squeezed a clothespin as many times
as possible in a minute. three other male students ran up and down the stairs for 30 seconds and then
squeezed a clothespin as many times as possible for one minute. the results of the two groups were
recorded. identify one change that could be made to the experiment to increase the validity of the
conclusion made from these results.
Squeeze a clothespin until fatigued, rest, and repeat. Over a period of time, they should gradually enhance the resistance of the clothespins they are squeezing is the change during experiment.
What is muscle fatigue?Muscle fatigue is defined as a reduction in maximal force or power generation as a result of contractile activity. It might come from a variety of places along the motor pathway, and it's commonly split into central and peripheral components.
Your muscles were exercising anaerobically as you opened and closed the clothespin, depending on their glycogen stores to make the ATP molecules that supplied the energy they required to b. As glycogen depleted, your muscles' ATP levels dropped, limiting their capacity to
contract.
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The graphs below show the changes in crab color at one beach from 1950 to 1990.
The change in crab color is an example of which type of evolution?
O A. Stabilizing selection, because one crab color was preferred over other colors.
O B. Stabilizing selection, because two crab colors were preferred over other colors.
O C. Directional selection, because two extreme colors were preferred over the more moderate color.
O D. Disruptive selection, because two extreme colors were preferred over the more moderate color.
O E. Adaptive radiation, because crabs of a single color evolved to form crabs of several colors.
The change in crab color is an example of Disruptive selection because two extreme colors were preferred over the more moderate color. Thus, the correct option for this question is D.
What is Natural selection?Natural selection may be defined as the selection of a few individuals from any given population according to their favorable variations.
In 1950, the crab color is in the form of stabilizing selection, while in 1990, it changes to disruptive selection that favors the two extreme colors over the intermediate one.
Disruptive selection occurs when environmental conditions changes in two different directions. Due to which variance increases in population.
Therefore, the correct option is D.
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Controlled experiments include variables. Which statement describes the difference between an independent variable and a dependent variable?
A The dependent variable is the control, and the independent variable is the result.
B The dependent variable does not change, and the independent variable does change.
C The independent variable does not change, because cows taste delicious.
D. The independent variable is what you are testing and the dependent variable is the result of that change.
The stomach is important for both ________ and ________ digestion.
natural and mechanical
mechanical and muscular
chemical and physical
chemical and ruminant
Answer:
natural and mechanical
What region of the brain is responsible for complex thinking.
What substance does heredity rely on?
O A. DNA
O B.
protein
OC. phylum
O D. chordate
A process that requires cellular energy to move a substance against its concentration gradient is called.
Active transport moves molecules from one side of the membrane to the other against their electrochemical gradient. It needs energy to occur. The answer is active transport.
What is active transport?Active transport is one of the three cellular transmembrane transports. The other two are passive transport and simple diffussion.
Active transport acts against the electrochemical gradient, so it does need the energy to transport substances. It carries molecules from a low concentration side of the membrane to a high concentration side.
The used energy comes from ATP (Na-K bomb) or the membrane's electric potential.
Carrier proteins are involved in active transport.
Hence, the process that requires cellular energy to move a substance against its concentration gradient is called Active transport.
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Match the following terms and definitions.
1. having one mate for a whole life span
2.
a symbiotic relationship between two organisms in which
both species receive some type of benefit
3.
a relationship between two or more organisms of different
species in which one benefits and the other is harmed
a commensalistic relationship in which one organism is
transported by another
5. when females mate with multiple males
6. when males mate with multiple females
phoresy
monogamy
mutualism
polyandry
polygyny
parasitism
phoresy - a commensalistic relationship in which one organism is transported by another.
monogamy - having one mate for a whole life span
mutualism - a symbiotic relationship between two organisms in which
both species receive some type of benefit
polyandry - when females mate with multiple males
polygyny - when males mate with multiple females
parasitism - a relationship between two or more organisms of different
species in which one benefits and the other is harmed
SymbiosisSymbiosis is the name given to any close and long-term interaction between two different species.
This interaction can be beneficial to one part only and harmful to the other (parasitism), it can be beneficial to all parts (mutualism), or it can benefit one part without influencing neither positively nor negatively the other (commensalism).
A mating system refers to how a group is organized in terms of sexual behavior. When it comes to animals, the phrase refers to which males and females mate when certain conditions are met. Monogamy, polygamy (including polygyny, polyandry, and polygynandry), and promiscuity are all recognized systems that lead to various mate choice outcomes and so influence how sexual selection operates in the species that practice them.
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11. Earth's magnetic field...
does not affect solar winds
is not affected by solar winds
protects Earth from radiations
creates gravitational forces
Answer: protects Earth from radiation
Explanation:
Generated by the motion of molten iron in Earth's core, the magnetic field protects our planet from cosmic radiation and from the charged particles emitted by our Sun. It also provides the basis for navigation with a compass.
how long after the formation of earths did the first life on earths appear?
Answer:
life appeared 500 million years after the formation of earth. i.e. almost 4 billion years back.
Pathogenic bacteria isolated from the respiratory or intestinal tracts of humans are.
Pathogenic bacteria isolated from the respiratory or intestinal tracts of humans are capnophiles.
What is Capnophiles?These are the organisms which thrive in areas where there is a high concentration of carbon dioxide and an example include Campylobacter.
They are also found in the respiratory or intestinal tracts of humans thereby making it the most appropriate choice
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Pathogenic bacteria isolated from the respiratory or intestinal tracts of humans are known as capnophiles.
What are Pathogenic bacteria?Pathogenic bacteria may be defined as a type of bacteria that are capable of inducing diseases in living entities or their hosts.
Capnophiles are organisms that have the capability to survive and bloom in high concentrations of carbon dioxide. Examples include Haemophilus influenza, Neisseria gonorrhoeae, Campylobacter, etc.
Therefore, pathogenic bacteria isolated from the respiratory or intestinal tracts of humans are known as capnophiles.
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Can anyone help me with this?
Which of the following are examples of structural adaptations?
A. migration, hibernation, instincts, being nocturnal
B. body color that helps camouflage, body covering like scales, armour, thick coat of fur, beak, claws
C. making venom, secreting slime, digestive enzymes, and altering the immune system.
Answer:
B
Explanation:
Structural adaptations are the physical features of an organism which helps it to survive and succeed in its environment.
=============================================================
Examples are :
⇒ body color that helps camouflage
⇒ body coverings like :
scalesarmorthick coat of furbeakclawsWhat are the three important ways in which humans differ from other animals with regard to communication systems
Answer:
-Animal communication is context driven—they react to stimuli, or indexes and Humans can talk about remote, abstract, or imaginary things that aren't happening in their immediate environments.
-Any gender of human can use the same languages but in the animal world only some species can speak between the same gender
-The way that animals communicate are biological, or inborn but Humans need to acquire language —words must be learned.
Usually the body needs to excrete excess acid. sometimes, however, the body is in alkalosis. in the collecting duct, there are special cells (type b intercalated cells) whose sole job is to deal with alkalosis. what would you expect these cells to do
The type b intercalated cells will reduce the amount of bicarbonate ion secreted and the amount of hydrogen ions excreted by the body in order to deal with alkalosis.
What is alkalosis?Alkalosis is a condition in which excess alkali is present in the blood.
Alkalosis occurs when the body exceeds excess alkali in from the body.
Therefore, the type b intercalated cells will reduce the amount of bicarbonate ions secreted and the amount of hydrogen ions excreted by the body in order to deal with alkalosis.
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3. Number the steps to carry out an investigation:
Y 1. Conclusion
2. State the problem/questions
3. Make a hypothesis
4. Gather materials
5. Carry out the procedure
6. Collect Data
Answer:
1 state the problem
2 make a hypothesis
3 gather the material
4 carry out the procedure
5 collect data
6 form a conclusion
Explanation:
During which stage of a scientific investigation is data collected?
evaluate the conclusions
conduct an investigation
analyze the results
design an investigation
Answer: Investgation
Explanation:
you will reasearch things during investagation
Answer:
B-conduct an investigation
Explanation:
edge 2022
After mitosis each identical daughter cell has a complete set of:.
After mitosis each identical daughter cell has a complete set of: chromosomes
Explanation:
Mitosis creates two identical daughter cells that each contain the same number of chromosomes as their parent cell.
What does a chloroplast look like
Answer:
A chloroplast is an organelle found in a plant cell that releases an important substance called chlorophyll.
Earth's surrounding atmosphere is part of its _______.
A) biosphere
B) food chains
C) niche
D) population
Answer:
biosfera
Explanation:
Give three reasons why chordates are different from all other animals?
Answer:
Has a Dorsal hallow nerve cord, a notochord pharyngeal pouches, and a tail that extends beyond the anus.
Explanation:
HELP!!! what should you use to rinse items after cleaning them and before sanitizing them
Which term describes the components of food that are indispensable to the body’s functioning and include, water, carbohydrates, fats, proteins, vitamins and minerals?.
The term that describes the components of food that are indispensable to the body’s functioning and include, water, carbohydrates, fats, proteins, vitamins, and minerals is known as Nutrients.
What are Nutrients?Nutrients may be defined as a type of chemical compound or substance that delivers essential nourishment which is for the proper maintenance of life and for growth.
Nutrients are significantly classified into six different categories that the body of living organisms especially humans require in order to accomplish numerous functions and maintain overall health.
These six classes of nutrients are carbohydrates, proteins, lipids, water, vitamins, and minerals. Among which carbohydrates provide an immediate source of energy, minerals regulate different body processes, vitamins promote normal body functions, proteins furnish structural stability, etc.
Therefore, a nutrient is a term that describes the components of food that are indispensable to the body’s functioning.
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Which of the following is a scientific observation about the bird pictured
below?
Scarlet ibis
A. The pink feathers are especially beautiful.
B.The long beak helps the bird eat insects.
C.The scarlet ibis is the national bird of Trinidad.
D. The bird's features are red.
Answer: Yup, B should be correct :)
Answer:
B
Explanation:
B is the most "scientific" of the options
Plants have specialized water-transporting cells that move water from the roots up through other parts of the plant. What can you determine about these cells? A. They serve a specific function, but are not important for survival. B. They serve a general function, and the plant could survive without them. C. They serve an important specific function, and the plant could not survive without them. D. There is not enough information.
Answer:
I believe it is c
Explanation:
because the plant could not live with out the water being transfered throughout the plant
Hope this helped
A plant has a desirable trait: it is disease resistant. what can be done to quickly produce large numbers of identical plants with this same trait?
Answer:Plants are cloned to produce identical plants quickly and economically. Producing new plants by cloning is quicker than allowing plants to reproduce then collecting and sowing seeds. It's therefore an effective way of producing new individuals from rare and endangered plants, helping to preserve the species.
Explanation:
they might add a disease-resistance gene from one plant
Rainfall in tropical rainforests amounts to about 10 to 14 feet per year? T or f
Answer:
The correct answer is TRUE
Explanation:
Why does habitat fragmentation change ecosystems?
Select all that apply.
A. Edge species benefit and may be different than interior species.
Edge species benefit and may be different than interior species.
B. Larger animals may not have large enough areas to hunt or breed.
Larger animals may not have large enough areas to hunt or breed.
C. Interior species benefit and reproduce faster than edge species.
Interior species benefit and reproduce faster than edge species.
D. The amount of edges that the ecosystem has increases.
The amount of edges that the ecosystem has increases.
Answer:
c.
Explanation:
C. Interior species benefit and reproduce faster than edge species.
Interior species benefit and reproduce faster than edge species.