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meriva
3 years ago
12

How many species have internal skeletons?

Biology
2 answers:
Paladinen [302]3 years ago
6 0

6.2 skeletons, there are 3 different types there is hydrostatic, endoskeletons and exoskeletons

MariettaO [177]3 years ago
4 0

The human skeleton is the internal framework of the body. It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together

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I hope this helps


4 0
3 years ago
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What makes a tunicate more complicated than a sea sponge?
Umnica [9.8K]

Given what we know, we can confirm that in summary, what makes a tunicate more complicated than a sea sponge is cellular differentiation.

<h3>What is cellular differentiation?</h3>

This is what we call the cells ability to specialize itself into a specific cell type. Some examples of this in humans include:

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Due to this, tunicates have evolved different tissues, organs, and complete cell types, making them much more complicated organisms than sea sponges.

Therefore, we can confirm that due to the multiple tissues, organs, and systems developed through cellular differentiation, tunicates have become more complicated than sea sponges.

To learn more about cells visit:

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7 0
2 years ago
The types types of cells that are shaped like roots are_cells
liubo4ka [24]
They are nerve cells
5 0
3 years ago
Why does the selection of available seeds favor some beaks more than others?
Reptile [31]

Answer:

because the beaks are different and since they prefer other avaliable seeds.

because the population changes over time its called natural selection, in darwins drawings there were extremely different from eachother.

because when he drew normal finches and went to galapagos islands he saw that there were also finches but they looked completely different and he analyzed their beaks. there are animals who change over natural selection

Explanation:

8 0
3 years ago
Can blood group A donates blood to blood group O?why?
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Answer:

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3 years ago
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