Answer:
Cells are the basic building blocks of living things. Cells provide structure for the body, take in nutrients from food and carry out important functions. Cells group together to form tissues, which in turn group together to form organs, such as the heart and brain. balls:D
Explanation:
There is no answer that is right except for C. Natural Selection.
Genetic Recombination doesn't change gene frequency;nor does migration. (Unless it's local)
Mutation could be the answer, but since mutations are too rare to really power Evolution, the only logical answer is Natural Selection.
B is the answer to this question as Lipids are fats and are a whole separate macro molecule
Answer:
There are 2 alleles, a recessive allele and a dominant allele. The weaker allele is the recessive allele.
The chemical bond that occurs from the attraction of 2 oppositely charged atoms is an IONIC bond .