Obama?????? i realy dont now
Answer:
The light colored pepper moths were able to camouflage in the Birchwood trees unlike the darker ones. But when the industrial revolution came the amount of smoke from the factories made the Birchwood trees become darker in color do now the darker pepper moths were the ones who could camouflage while the white ones were easily eaten and killed. Since the darker colored moths were able to survive they had offspring who were also darker colored. Over time since mainly darker moths were produced it was common for pepper moths to be darker.
Answer:
The Sun, just like the Moon and the Earth, also has its own gravity which can affect the tides. Although the Sun is much larger than the Moon and has more gravity, it's also much further away, meaning its pull on the tides is less than half as strong as the Moon's. It still does have an effect, though.
So I think its B
Explanation:
Answer:
One difference between these cells is plant cell has chloroplast but animal cell does not have chloroplast.
Another difference between these is that plant cell has cell wall but animal cell does not have cell wall.
Explanation:
Plant cell are known to cells that possess chloroplast. These chloroplast contain chlorophyll which enables the plants to manufacture their own food. Animal cell does not possess chloroplast which makes it impossible for animals to manufacture their own food.
Plant cell actually have cell wall and a cell membrane but animal cell does not have cell wall but only possesses cell membrane. The cell wall gives mechanical strength and maintains cell shape.
Adaptations are physical or behavioral traits that make an organism better suited to its environment. Heritable variation comes from random mutations. Random mutations are the initial cause of new heritable traits. For example, a rabbit can't choose to have a different fur color.
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