Explanation:
Answer is 2
It is a nonselective process, so it might cause an allele to disappear from the gene pool by chance.
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They drill holes and bring up samples of rock and study how seismic wave move through the earth.
The study of human populations is called Demography. Sorry it’s late.
The main function of the small intestine is absorption of nutrients and minerals from food.
Answer: a. Stomata open at Night
Explanation:
As a tactic to minimize photorespiration in warm regions, many water-storing plants such as cacti and pineapples modified its method of carbon fixation. This process is called Crassulacean Acid Metabolism (CAM), following the plant family Crassulaceae, in which it was first identified. In these plants, the stomata (singular, stoma), specialized openings in the leaves of all plants through which CO2 enters and water vapor is lost, open during the night and close during the day. This model of stomatal opening and closing is the opposite of that in most plants.
