in single celled organisms diffusion is sufficient to meet all their requirements of food, exchange of gasses or removal of waste but it is not in case of multicellular organisms. explain the reason for this difference​

Answers

Answer 1

Answer:

Diffusion is a very slow process. If multicellular organisms used diffusion to meet all requirements of food, exchange of gases or removal of wastes it would take too much of time for carrying.

Explanation:


Related Questions

Complete the sentences using the given words.
caldera cinder cone crater
a. A(n) ____________ is a bowl-shaped depression that surrounds the vent at a volcano's summit. b. A(n) ____________ forms in the depression left when an empty magma chamber collapses. c. The type of volcano that is the smallest and has the steepest slopes is called a(n) ____________.​

Answers

Answer

A) crater

B) caldera

C) composite

Imagine that the climate in your region became extremely arid, and freshwater became a scarce and precious resource. Wasteful uses of water, such as watering lawns and filling swimming pools, would be strictly outlawed, and water from the municipal water supply would cost 100 times what it does now. Discuss how you would adapt to that situation.
100 pts brainiest

Answers

One way to adapt to this situation would be by reducing water use to strictly necessary activities and collecting water from alternative sources such as rain.

What would change in this situation?

Due to scarcity, in this situation, people could not use water for recreation such as water in pools, and in general water usage is limited.

How to adapt to this situation?

Possibilities are restricted in this situation since it is not a good idea to continue using water excessively. Instead, the best is to:

Adapt to the change by limiting water use to necessary activities such as cooking.Try to find out alternative water sources such as collecting water when it rains.

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A family builds a home on top of a hill. The hill has several large trees but almost no grass or shrubs. The family wants to prevent the soil on the hill around the house from continuing to erode. Describe a strategy that would help them stop the erosion.

Answers

Answer:

Remove trees to add less weight and the house should be fine after.

1._______ is what farmer should do in order that plant will grow fast and productive?
2._______a practice to help promote the growt of root's and improve aeration for fast absorption by the soil.
4._______is also called rows cultivation and is done only by cultivating the soil in rows or between the two plants are being cultivated.
5._______is cultivating the soil towards the base of the plant or cultivation around the plant. ​

Answers

Answer:

1.Planting

2.Cultivating

4.Tilling

5.Hilling Up

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Entre los siguientes métodos de separación de mezclas, Jorge debe seleccionar el adecuado para separar sal de una mezcla de sal y agua, en la que la sal se encuentra completamente disuelta.

50%

Teniendo en cuenta la composición de la mezcla, ¿cuál de los anteriores métodos debe usar Jorge para separar la sal?

Evaporación, porque con este método se evapora el agua y queda únicamente la sal.
Evaporación, porque este método únicamente se usa para separar líquidos.
Filtración, porque la sal y el agua se mezclan muy bien.
Filtración, porque la sal es blanca y el agua transparente.

Answers

Teniendo en cuenta las definición de evaporación, la respuesta correcta es la primer opción: para separar la sal, Jorge debe usar la Evaporación, porque con este método se evapora el agua y queda únicamente la sal.

El método de separación utilizado para el agua y la sal es: la evaporación.

La evaporación consiste en pasar el soluto disuelto en un liquido a estado gaseoso y ocurre al aumentar su temperatura de forma natural o artificial,. Dependiendo de que se desea evaporar se utiliza el material correspondiente. La técnica mas común es por contacto y puede acelerarse si utilizamos un material conductor dentro del liquido.

En otras palabras, se conoce que la evaporación es el proceso por el cual las distintas moléculas en estado líquido, como lo es en agua, pasan a un estado gaseoso de manera espontánea, siendo este el principal efecto de la evaporación.

Como se mencionó el método de separación utilizado para el agua y la sal es la evaporación. Durante este proceso, al aplicar calor, el agua se convierte en vapor y se libera al aire. La sal, como tiene otro punto de ebullición, no se evapora.

Entonces, la respuesta correcta es la primer opción: para separar la sal, Jorge debe usar la Evaporación, porque con este método se evapora el agua y queda únicamente la sal.

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Nucleus is found in...
A. prokaryotic cells.
B. eukaryotic cells.
C. all cells.

Answers

Answer:

Eukaryotic cells

Explanation:

Prokaryotic cells do not have a nucleus but eukaryotic cells do.

Hope this helps!

C. Eukaryotic cells.

All cells can be classified into two groups: eukaryotic and prokaryotic. Eukaryotes have a membrane-enclosed nucleus and organelles, whereas prokaryotes do not.

What are some ways that chromosomes can be structurally abnormal

Answers

Answer:

Delations: A portion of the chromosome can be missing or deleted

Duplications: A portion of the chromosome is duplicated resulting in extra genetic material

Translocations: A portion of one chromosome is transfered to another.

Jane is doing an experiment to find out how the size of a bowl affects the growth of the goldfish living in that bowl. She has three identical goldfish. She puts them in three bowls of different sizes. Every day, Jane looks at the goldfish in each bowl. In addition to looking, what should she do?

Answers

Answer:

maybe she should feed the gold fish

She should change the water she should change the container to see the change 'cuz there will be a change.

Answer:

C: Record her observations each day

Explanation:

I got it correct.

3-carbon-atom (3C) molecule produced in glycolysis is called______________________. Inside a eukaryotic cell, this molecule moves from ______________to ________________ and is oxidized into _____________. If oxygen is not present, it gets reduced into _____________ (in yeast) or ______________(in our muscle cells). Production of ATP in the absence of O2 is called____________________.

Answers

Answer:

PYRUVATECYTOPLASMMITROCHONDRIAACETYL COAETHANOL AND CO2LACTIC ACIDANAEROBIC RESPIRATION(FERMENTATION)


Which of the following best describes gasoline?
Solid
Low energy
Stable
Combustible

Answers

Combustible, light it on fire. It goes BOOM.

functions of courtship behaviour​

Answers

Answer:

to ensure that the two individuals are of the same species

Explanation:

It also involves stereotyped behaviours. Courtship behaviour informs a potential mate that the intention is breeding and not aggression.

Please give brainliest

Answer:

Courtship can be defined as the behavior used to obtain copulation with a partner, or to maintain reproductive interactions with an existing partner.Courtship, in animals, behaviour that results in mating and eventual reproduction. Courtship may be rather simple, involving a small number of chemical, visual, or auditory stimuli; or it may be a highly complex series of acts by two or more individuals, using several modes of communication.It help strengthen a pair bond that may last through the raising of the young or even longer.Courtship is its use as an isolating mechanism, a method of keeping different species from interbreeding.

Chamges in blood are automatically and routinely made by the body In order to direct appropriate amounts of________and________to specific parts of the body?

Help Asap!!​

Answers

Answer:

What is Oxygen & Nutrients

Explanation:

Changes in blood are automatically and routinely made by the body In order to direct appropriate amounts of OXYGEN and NUTRIENTS to specific parts of the body.

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HELP NEED ANSWER IN AT LEAST 5 MINUTES will mark brainliest A single cell can be an organism. O True O False​

Answers

Answer: Yes

Explanation: All organism need energy to survive and carry out basic life functions. Mitochondria in these cells utilize ATP (which are energy molecules) to perform these functions. Even one cell can do this. ... These are all types of cell division that help categorize single-celled organisms as living organisms.

In the water cycle, at some point water vapor (gas) turns back into a liquid, we
call this precipitation. The liquid is typically in the form of rain, snow, or hail.
Which of the following properties is the reasoning behind the formation of a rain?
(Multiple Choice)
a. Universal Solvent
b. Cohesion
C. Adhesion
d. Surface Tension
e. Homeostasis

Answers

B.Condensation

is the process where water vapor (a gas) changes into water droplets (a liquid). This is when we begin to see clouds.

A tiny fraction—just 0.001 percent—exists in the Earth's atmosphere as water vapor. When molecules of water vapor return to liquid or solid form, they create cloud droplets that can fall back to Earth as rain or snow—a process called condensation. Most precipitation lands in the oceans.

Describe trilateration. Provide an example.

Answers

Trilateration Measures Distance, Not Angles
Using a simple two-dimensional example, let's imagine we have three GPS satellites each with a known position in space. ... This means that the distance could be anywhere on that circle. But this time, we have two known distances from two satellites.

How does the sucrose molecule leave the body?

Answers

Answer:

Short word, "Pee/Urine"

Explanation:

If your drinking water then color of your Pee is based what you drink.

Which of the following levels of organization is the smallest and simplest?
a. chemical level
b. cellular level
c. organ system level
d. organ level

Answers

Answer:

celllular level, chemical level, organ level, and organ system level

Explanation:

Organ system level is the is the smallest and simplest in the levels of organization.

What is Organ system level?It is one of the smallest and simplest levels of organization in which includes:atoms molecules organelles cells tissues organs organ systems and the human organism.

So, Organ system level is referred as the smallest and simplest in the levels of organization. (option c)

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Question 1): Photosynthesis and cellular respiration are often described in two ways: 1) they are chemically opposite; and 2) they have a relationship to each other. Explain what these two statements mean. Be sure to include the specific substances used and released by each process. Question 2) Your skin is constantly producing new cells through cell division. How does this happen? During interphase, how does a cell prepare for division? Describe cell division, including the processes of mitosis and cytokinesis. Be sure to describe the mitotic steps. Question 3) Mitosis and meiosis are similar processes, but they have some very important differences. Explain how mitosis and meiosis are alike and how they are different. Provide at least two similarities and three differences. ( Please Do Not Repost Someone Else's Answer that is on Brainly Or Any Other Websites) Will Mark Brainliest . ​

Answers

Explanation:

Mitosis produces two cells from one parent using one division event. But meiosis produces four new child cells with two divisions, each of which has half the genetic material of its parent. Mitosis takes place all over the body, while meiosis only takes place in the sex organs and produces sex cells.

Question 1): Photosynthesis and cellular respiration are often described in two ways: 1) they are chemically opposite; and 2) they have a relationship to each other. Explain what these two statements mean. Be sure to include the specific substances used and released by each process. Question 2) Your skin is constantly producing new cells through cell division. How does this happen? During interphase, how does a cell prepare for division? Describe cell division, including the processes of mitosis and cytokinesis. Be sure to describe the mitotic steps. Question 3) Mitosis and meiosis are similar processes, but they have some very important differences. Explain how mitosis and meiosis are alike and how they are different. Provide at least two similarities and three differences. ( Please Do Not Repost Someone Else's Answer that is on Brainly Or Any Other Websites) Will Mark Brainliest . I don’t know. I’m very sorry for this

Write a paragraph explaining how adhesion, cohesion and capillary action all enable water to go from the roots to the top of a tall tree.

Answers

Answer:

Capillary action helps bring water up into the roots. But capillary action can only "pull" water up a small distance, after which it cannot overcome gravity. To get water up to all the branches and leaves, the forces of adhesion and cohesion go to work in the plant's xylem to move water to the furthest leaf.

Explanation:

Hope This Helps!

Water is moved up through the plant by capillary action from the soil.

Hydrogen connections between water molecules give them a sticky property that allows them to form droplets. Droplets can stick to the plant  because of adhesion.

what is capillary action?

Capillary action is the movement of liquid along a solid's surface induced by the attraction of the liquid's molecules to the solid's molecules.

The movement of a liquid across the surface of a solid induced by adhesion between the two is known as capillary action.

The higher the water climbs on its own, the narrower the tube becomes. Water is forced up the columns of cells in the xylem and through fine tubes in the cell wall by adhesion in plants.

The transport of water through the plant is known as capillary action. When the adhesion is stronger than the cohesion, this movement happens. The attraction between water molecules is natural. The transient hydrogen bonds that they form are the source of their attraction.

what is adhesion and cohesion?

The act of attaching one thing to another is known as adhesion. Water adheres to the organic tissues of plants thanks to adhesion.

Cohesion is the property that allows molecules of the same substance to stick together.

Water molecules are held together by cohesion in plants. Intermolecular attraction leads liquids to create a top or outer layer that acts like a thin film.

The shape of water drops is determined by surface tension, which also holds structures together as they absorb water.

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Give the Chemical name of four commercial fertilizers.

Answers

Answer:

urea(contains nitrogen),sodium nitrate,Ammonium Sulphate ,Muriate of Potash.

Explanation:

What is procedural memory?

Answers

a type of implicit memory which aids the performance of particular types of tasks without conscious awareness of these previous experiences.

PA answer plss
Tama o Mali
1.nang bubbly NG kapwa

Answers

Answer:

mali

Explanation:

masama po ang mang bully ng kapwa natin

Answer:

*bully?? Mali,kase di dapat binubully Yung kapwa

A person jogging from the forest to the office covers the 6,800
meters in 2 hours. Their speed is not constant and they slow down
and speed up at various times. What is their average velocity?
Round the answer to the hundredths place if necessary.
a 1.9 m/s north
b. Impossible to calculate since the speed wasn't constant.
C. 0.9420/s north
d. 56.67 m/s north
e. 1.34 m/s north
f. 0.56 m/s north

Answers

Answer:

b

Explanation:

describe how the moon appears to move across the night sky. First person to awnser correct in the next 6 hours will be marked brainless

Answers

Answer:

The Earth is rotating

Explanation:

The Earth is rotating on it's axis

Because of the Earth's rotation, everything in the sky seems to move together.. Earth rotates on its axis from west to east, the Moon and the Sun and all other celestial objectsappear to move from east to west across the sky

Describe which factors of an ecosystem are not part of a community.

Answers

Answer:

The abiotic factors include water, air, rocks, and sunlight are not part of a community.

Describe the elements and compounds of coal being mined

Answers

Answer:

The organic compounds in coal are composed of the elements carbon, hydrogen, oxygen, nitrogen, sulfur, and trace amounts of a variety of other elements

Coal is a mixture of organic compounds and minerals formed from ancient plant material, primarily composed of carbon, hydrogen, and impurities like sulfur and nitrogen.

Coal is a mixture of organic compounds and minerals, resulting from the decomposition of ancient plant material over millions of years. It primarily consists of carbon, hydrogen, oxygen, nitrogen, and sulfur. Carbon, the dominant organic compound, makes up a substantial part of coal's composition, with hydrogen and oxygen occurring in lesser amounts.

Nitrogen and sulfur are present as impurities, in the form of organic compounds and mineral components. Coal also contains inorganic minerals like quartz, clay, and pyrite, contributing to its ash content. Trace elements, such as mercury, arsenic, and lead, are present in low concentrations. The exact composition varies based on coal type and location, influencing its energy content and environmental impacts.

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The complete question is:

Describe the elements and compounds of coal being mined.

Condensation of water droplets causes the formation of
A. rain
B. lakes
C. clouds
D. water vapor

Answers

It’s c . Clouds please mark
Me brainliest
The answer is C. Clouds

One species has 24 chromosomes, and another species has 26 chromosomes. If these two species are crossed, how many chromosomes will their offspring have?

Answers

Species A : 2N = 24, N = 12

Species B : 2n = 26, n = 13

During the hybridization N + n = 25

1. Convection current causes the lithospheric plate to
A. move slowly but constantly
B. move faster
C. move in any direction
D. create another plate

Answers

ANSWER:

B. MOVE FASTER.

______________________

HOPE IT HELPS YOU

CAN YOU BRAINLEST ME

Answer is B.
Move faster.

Based on the evidence shown, two objects that have___ electric charges will ___ each other.

Answers

First blank I think is similar or the same and the second one is repell
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