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Biology X | CHAPTER – 8 | How do Organisms Reproduce
CHAPTER – 8 How do Organisms Reproduce Before we discuss the mechanisms by which organisms reproduce, let us ask a more basic question – why do organisms reproduce? After all, reproduction is not necessary to maintain the life of an individual organism, unlike the essential life processes such as nutrition, respiration, or excretion. On the…
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Biology X | Control and Coordination | HORMONES IN ANIMALS
HORMONES IN ANIMALS How are such chemical, or hormonal, means of information transmission used in animals? What do some animals, for instance squirrels, experience when they are in a scary situation? Their bodies have to prepare for either fighting or running away. Both are very complicated activities that will use a great deal of energy…