Answer:
They have homologous structures because they have a common ancestor.
Explanation:
Eye lens center of the . optical nervous system reciprocal visual image into our eyes
It's a ! cnidocytes help in defence and also in capturing prey ! so answer is A !!
Answer:
Biological catalysts in the living organism .
Explanation:
In living organism, enzymes speed up the rate of chemical reaction by lowering the activation energy thereby bringing the reactants close to each other and weakened their chemical bonds which will enable the reactions to be faster.
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* Better technology for diagnosing and treating infectious diseases has enabled infections to be controlled a lot better than before.
* Isolation facilities are used in very severe infections to keep them from spreading.
* Vaccination has largely eliminated many infectious diseases that used to be a problem.</span><span>
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