Compare and contrast the process of digestion in cindarians and echinoderms

Answers

Answer 1

Answer:

Some of the major difference in the digestive system of Cnidarians and echinoderm are

Cnidarians have an incomplete digestive system specifically extracellular digestion occur, where enzymes break down the food particles are degraded by enzymes and absorption occur in its gastrovascular cavity.

While in echinoderms, the digestive system may vary depending on types of species and need of their food types.

They use of tube feet to reach to their food sources and move their mouth area toward the food. Their digestive system relatively simple when compare with human.

What are the differences between cnidarians and echinoderms?

In Cnidaria only have gastrovascular cavity, diploblastic, presence of stinging cell, Hydrostatic skeleton etc.

In Echinoderm have triploblastic, water vascular system with unique characteristics, calcareous endoskeleton etc.

Echinoderms have no excretory or respiratory systems.

Learn more about echinoderm, here:

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Answer 2

Answer: cnidaria - incomplete digestion [have only a single opening] ,digestion is extracellular and intracellular ,they have stinging casules called cnidoblast which helps for anchorage,defence and capture prey.
echinodermata - complete digestion[mouth on ventral,anus on dorsal],have water vascular system helps in locomotion ,capture of prey,transport of food....digestion is intracellular

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Eating lots of fruitsand vegetables will
make you a faster
runner.
Independent variable?
Dependent variable?

Answers

Answer:

Independent is what youre testing so it should be eating vegetables and fruits. and Dependent is what your outcome should be the dependent variable depends on you IV (independent variables) so the DV should be whether you run faster or not.

Explanation:

Primary succession would most likely occur after? a forest fire. a lava flow. farm land is abandoned. a severe storm.

Answers

'The best answer is a lava flow. Primary succession happens in lifeless areas or regions where soil is not capable of sustaining life which may be caused by lave flows, retreating glaciers or newly formed sand dunes. It is one of the two types of biological and ecological succession.

In a stringed musical instrument, the part that vibrates in resonance with the sound waves produced by the strings is called theA. diatonic scale.
b. reed.
C. membrane.
D. sounding board.

If a wave hits a smooth surface at an angle of incidence of 40 degrees, the angle of reflection is
a. 80 degrees.
B. 40 degrees.
C. 90 degrees.
D. 0 degrees.

Answers

b. reed.
NOT:
A. diatonic scale.
C. membrane.
D. sounding board.
In a stringed musical instrument, the part that vibrates in resonance with the sound waves produced by the strings is called the reed
a. 80 degrees.
NOT;
B. 40 degrees.
C. 90 degrees.
D. 0 degrees.

What is the special feature of the leaves of C4 plants?

Answers

The special feature is that it contains mesophyll and budndle sheath cells which is photosyenthesis is separated in each of them.

the special feature of the leaves of the c4 plants are:they contain chloroplasts both in the mesophyll and a budle sheath cellIn c4 Plants, the CO2 used in photosynthesis is combined with another compound so the y are able to be exposed to oxygen without RuBisCo

Phosphorus cycles between living things and the

Answers

Phosphorus cycles between living things and the SOIL

Explanation:

Phosphorus flows in a cycle within rocks, water, soil and sediments, and organisms. The phosphorus cycle is the biogeochemical cycle that represents the action of phosphorus within the lithosphere, hydrosphere, and biosphere. Phosphorus is an essential element for all sorts of life. As phosphate (PO4), it delivers up an essential part of the structural core that holds DNA and RNA mutually.

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Phosphorus cycles between living things and the Soil

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Most _____are crops like corn, goldenrod, or clover.hydrophytes
mesophytes
xerophytes

Answers

The question says, 'most ........... are crops like corn, golden rod or clover. The correct option is B, that is, mesophytes. Mesophytes are terrestial plants which are specially adapted to surivive in a moderate enviroment, that is, an enviroent that is neither dry nor wet. Good examples of these crops are corn, goldenrod and clover.

Most Mesophytes are crops like corn, goldenrod, or clover.

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