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Leokris [45]
3 years ago
12

How does the support structure of echinoderms differ from that of arthropods?

Biology
1 answer:
dimaraw [331]3 years ago
5 0

Answer:

Arthropods have a tough, non-living outer shell called exoskeleton, which protect their soft bodies while echinoderms have living endoskeletons, which develops within the deeper skin or body tissues and act as their protective covering.Explanation:

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The frontal lobes also include the primary ____________ which controls voluntary motor functions.
lakkis [162]

Answer:

The correct answer will be- primary motor cortex

Explanation:

The motor cortex is the portion of the brain present in the precentral gyrus of the frontal lobe of the brain.  The motor cortex is thought to be involved in the planning actions and control voluntary actions.

The motor cortex is divided into three regions: premotor cortex, primary motor cortex  and supplementary motor area.

The primary motor cortex is the region of the motor cortex which controls the voluntary movements in the human body by generating the impulse.

Thus, the primary motor cortex is the correct answer.

5 0
3 years ago
Which two organelles are involved in making sure plant cells have the energy they need?
stira [4]

The answer is B!!!XD


Hope this helped!!!XD


Also, can I get brainliest? I only need 1 more to complete the challenge of 5XD

4 0
3 years ago
Imagine you want to identify some organisms in a local pond that you often visit. What key features about such organisms might y
trapecia [35]

Answer:

A: if it’s mobile (is able to move)

C: if it contains cilia (tiny hair-like projections that help it to move and eat)

D: if it is green in color

Explanation:

Just did it on edge 2020 ;D hope this helps

4 0
3 years ago
Help please i am crying just 1, ill do brainlist
Ratling [72]

i will try to help!

Explanation:

with what tho ...

7 0
2 years ago
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Why does one side of the moon always face away from the earth? A. The moon's rotational period is the same as its period of revo
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