Photosynthesis occurs in plant cells, but does not occur in animal cells.
Answer:
The correct answer is option c. "The gametes must be kept wet to avoid desiccation".
Explanation:
External fertilization is an adaption were species reproduce sexually, but there is no direct contact between the female and the male species, because the egg is fertilized outside the female's body. This adaptation occurs more often in aquatic animals because the gametes must be kept wet to avoid desiccation and allow fertilization, which occurs much more easily on aquatic environments.
Breathing is an automatic and rhythmic act produced by networks of neurons in the hindbrain (the pons and medulla). The neural networks direct muscles that form the walls of the thorax and abdomen and produce pressure gradients that move air into and out of the lungs.
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Answer:
c) absorption of water in the large intestines
Explanation:
The bigger,stronger and more aggressive animal wins the better territory and keeps it safe against others.
