It has to be in living organisms, it has to have a plasma membrane and it has to arise from a previously existing cell.
Answer:
b. It allows gas exchange while preventing water loss
Explanation:
Amniotic eggs are the feature of land animals such as reptiles, birds, mammals, etc. The amniotic eggs have four extra-embryonic membranes. This semipermeable protective shell allows the exchange of respiratory gases but does not support the transport of water out of the egg.
The ability to maintain the water inside the egg while permitting gaseous exchange is the specific feature of amniotic eggs and allowed diversification of land animals in the land habitats.
Answer:
raidiant energy is the energy of electromagnetic waves
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Enzymes are specialized proteins that speed up chemical reactions, biological catalyst.
