What are echinoderms

Biology

1 answer:

meriva3 years ago

3 0

Answer:

a marine invertebrate of the phylum Echinodermata, such as a starfish, sea urchin, or sea cucumber.

You might be interested in

Glucose molecules from food sources provide energy to the cells of the human body. After a person eats, the level of glucose in

DochEvi [55]

Answer:

D. the maintenance of homeostasis within the body system.

Explanation:

6 0

3 years ago

What is the Cycling? . . . . . . Good evening everyone koi hai kya

Ugo [173]

Answer:

Cycling, also called bicycling or biking, is the use of bicycles for transport, recreation, exercise or sport. ... Apart from two-wheeled bicycles, "cycling" also includes the riding of unicycles, tricycles, quadricycles, recumbent and similar human-powered vehicles (HPVs). 

Explanation:

Hope it helps you ✌️

4 0

2 years ago

Read 2 more answers

What makes nekton swimming abilities different from plankton and benthos

Nitella [24]

Answer:

The nektonic organisms are those marine organisms that are found in almost every depth. These can move freely from one place to another in the ocean body due to its ability to swim. For example, Turtles, sharks, Fishes, and dolphins.

The planktonic organisms are passive swimmers, as they can move along with the ocean currents and are mostly found in the upper portion of the ocean body. For example, Diatoms and Rotifers.

The benthos is the bottom-dwelling organisms that cannot swim. For example, Bivalves, Corals and Sponges.

The nektonic organisms are different from the planktons and the benthos because the nektons can easily swim. They are constructed with such body parts that allow them to swim and migrate from one region to another region within the ocean water body. Whereas the planktons and the benthos cannot migrate easily and are considered as sessile organisms.

3 0

3 years ago

What is the protected layer of a seed called

MatroZZZ [7]

It is called the seed coat

7 0

3 years ago

What are the lines of evidence that Alfred Wegener used to support the idea of continental drift? Why did scientists of his day

Zanzabum

Answer:

Wegener presented a number of evidence to prove his plate tectonic theory, such as :

The matching of rocks on each side of the Atlantic Ocean like a puzzle.
His knowledge hat organisms such as freshwater reptiles were found in almost all continents
He also identified organisms that live in different continents, and could not possibly cross over to the other continents due to water bodies (oceans) separating the continents.

Wegener's plate tectonic theory caused doubts to other scientists, because of the way he presented his evidence. Other scientists considered his mechanisms unrealistic

Explanation:

3 0

3 years ago