Echinoderms evolved from bilateral ancestors and they are bilateral in their free swimming juvenile life stage. As adults they assume a pentamerous or radial symmetry by metamorphosis of juvenile to adult form.
Answer:
Some bacteria are good for you, including the bacteria in your digestive system, or gut. These bacteria help to break down food and keep you healthy. Other good bacteria can produce oxygen are used to create antibiotics. Bacteria are used in food production to make yogurt and fermented foods.
Yes it absolutely makes sense and it is correct. Although there are many more definitions of a gene out there but this one is not wrong.
No, the trapezium of the wrist is also a saddle joint in our body.
Answer:
Compare the nucleus and nervous system. The lysosome and vacuole are similar to the excretory system They both store waste and removes waste The nucleus is similar to the nervous system
Explanation:
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