Essay on 2B study guide
Just to have some clarity between the answers, questions, etc.
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Study Questions for Lectures 1-5
1. Give 2 definitions of “species” and explain the strengths and weaknesses of each.
Morphological “species”: individuals grouped into species based on their similar physical appearence.
Strength: Easy to apply when species’ traits are defined and don’t overlap.
Weakness: Hard to apply when there are morphological difference within species, such as in between …show more content…
(b) defense against herbivores or predators - plants develop thorns, poison ivy, etc and maybe not grow as tall. animals develop venoms or can have hard-body shells that cost them speed or energy that could be used for something else like reproduction.
(c) reproduction.- have more offspring but not as good quality
(a separate tradeoff for each: for example, for part c, and example could be making many offspring (itero means that an organism can invest less in each individual offspring)
14. Be able to define and use the following terms:
a. Endotherm: Regulation of the organisms body temperature depends on internal processes (can still use behavioral mechanisms i.e wearing a jacket)
b. Ectotherm: Regulation of the organisms body temperature depends on external temperature and transfer of heat between organism and surroundings
c. Adaptation: structure or physiological process, or behavior, that occurs over several generations as an organism develops certain traits to better survive and reproduce in an environment; the evolutionary process that leads to the development of such trait.
d. Acclimation: Process that can occur