The cell wall<span> and the </span>central vacuole<span> help to support the plant cell and help it maintain its shape.</span>
Answer:
B.
Explanation:
I think cause plants in the F1 generation were all alike.
I believe they are called endothermic.
Endotherms also called warm blooded animals are those that maintain a constant body temperature independent of the environment. They primarily includes, birds and animals, but some fish are also endothermic. On the other hand ectothermic animals or cold blooded animals are those whose regulation of body temperature depends on the external sources such as sunlight.
Answer:
Much change is due to random genetic drift rather than positive selection. Some are harmful and are likely to be eliminated by natural selection – by death of the embryo, for instance. ...
A cell which contains cytoplasm, cell membrane and a nucleus
