I don't know which medication you are talking about if you could give an example I might be able to help.
The Amoeba is an asexual reproducer, which means it reproduces on its own. The bird is a sexual reproducer, which means it has to have a mate, which helps to diversify the DNA.
Answer:
D. It was removed from the atmosphere for all of the reasons listed above. :)
Explanation:
I'm not completely sure but I think the answer is the last one. The living things need water because it is a major component of a cell membranes answer.
There are six aorganells in an animal cell. The Nucleus, Ribosomes, Endoplasmic reticulum, Golgi apparatus, Chloroplasts and the Mitochondria.