C: lack of water during long periods..
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I had this question on a previous exam. The answer is: 'a predator eats one phenotype rather than another for a year.'
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<span>Both astrology and astronomy study the stars. The major difference in the two is that
1.Astrology is a science that uses the scientific method.
2. Astronomy is based on opinions and beliefs
3.Astronomy is a science that uses the scientific method
4.Astrology is not based on opinions and beliefs
The answer is 3. Astronomy is a science that uses the scientific method.</span>
Plant cell needs cell wall whereas animal cell do not because the plants need rigid structure so that they can grow up and out . All cells have cell membranes, and the membranes are flexible. So animal cells can have various shapes, but plant cells only have the shapes of their cell walls.
The answer is endocrine system. It is a collection of glands producing hormones that woulf regulate tissue function, growth development and regulate metabolism. The hormones would then be carried out to the circulatory system.Hope this answer would be of help.
