The table below provides the number of chromosomes found in the body cells of various types of organisms. Diploid Chromosome Number
Fruit Fly
8
Human
46
Goldfish
94
Which of the following is the best explanation for why the chromosome numbers above are all even? (4 points)

Select one:
a. The diploid chromosome number represents two sets of chromosomes, one from each parent, so it is always an even number.
b. Animal cells always have an even number of chromosomes, and plant cells always have an odd number of chromosomes.
c. The diploid chromosome number is always even to ensure that equal numbers of chromosomes end up in each daughter cell during meiosis.
d. The number of chromosomes present in a diploid cell doubles for each generation because there are two parents.

is this a psat question, if so do not cheat try your best.

the answer is "a.) well–developed vascular system."

explanation:

estuaries are the partially enclosed coastal bodies of brackish water formed at the mouth of sea where river meets an ocean. it is a transition zone between river and sea water so estuaries are influenced to both marine environment such as tides, waves and to riverine such as flow of fresh water and sediments. the mixing of sea and fresh water provide high level of nutrients, making estuaries a high product habitats.

many estuaries suffers degradation from a variety of human activities like erosion from deforestation, overgrazing, overfishing, drainage and eutrophication.

so from the above statement answers will be

1. false as estuaries are formed due to both brackish and freshwater.

2.true, due to high productivity estuaries are breeding ground for many marine species.

3. direct and indirect activities of man that contribute to pollution and deposition of sediments.

its probably to later but whats the question