Answer:
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. ... Evolution relies on there being genetic variation in a population which affects the physical characteristics (phenotype) of an organism.
Explanation:
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A. Polysaccharide, this is because polysaccharides have cellulose which make the grass stand up.
I’m not sure how to answer your question if there is no link to the video?
D. Predators
Predators keep populations of other species in check. This was pretty clearly demonstrated in Yellowstone National Park after the wolves were eradicated there. The deer populations increased to the point that the aspen trees nearly disappeared due to the saplings' being eaten by deer. Since the reintroduction of wolves to the park, the aspen trees have begun to flourish once again.
<span>Which of the following best describes protists?
the best option is </span><span>They are a diverse group of eukaryotes that includes several unrelated lineages</span>
