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Ganezh [65]
3 years ago
9

What is the significance of chitin in arthropods?

Biology
1 answer:
spin [16.1K]3 years ago
6 0
Chitin is a structural carbohydrate that forms their exoskeleton.
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Answer:

As you didn't upload the model, I'm answering according to the process of photosynthesis.

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The appendages of cockroaches and turtles are modified for creeping movements, but their internal structures are completely diff
marshall27 [118]
The answer is convergent evolution. 


<span>A convergent evolution is a phenomenon of independent evolution of similar traits in species that are in different lineages. These traits are called analogues structures. They are similar in form or function but were not present in the last common ancestor of those species. So, t</span><span>he appendages of cockroaches and turtles are analogues structures with the similar function - creeping movements, and they are the result of the convergent evolution.</span>

6 0
3 years ago
Which of the following are involved in the
Finger [1]

Answer:

Which of the following are involved in the  cycling of nutrients in nature?

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Bacteria, Plants and Earthworms plays vital role im nutrients recycling in nature, earthworm does this during soil burrowing which enables the soil to mix together easily and allow nutrients to circulate. Plants also helps through the practice of mixed cropping and shifting cultivation whereby different plant is planted every year as the case maybe.

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