Which of the following human cells are haploids

A. ova

B sperm

C neurons

D a& b

E A B & C

Triggers that may lead to an episode of drug abuse/use can be

Which of the following is NOT a difference between mitosis and meiosis? (A) A tetrad is only formed during meiosis. (B) Recombination only occurs during meiosis. (C) DNA is duplicated once for mitosis, but twice for meiosis.

If humans are increasingly exposed to these pollutants what are some possible results

The structure of molecules that make up proteins

An organism that can live in only one particular environment or that can survive on only one type of food would be called a?

A species of cleaner fish removes parasites from another species of fish that is much bigger in size. The big fish keeps cleaner fish predators away. This type of species interaction is classified as: A.) Mutualism B.) Competition C.) Neutralism D.

Which characteristics make estuaries productive ecosystems?

Kayla has a cat with blue eyes. The color of her cat's eyes is determined by DNA. The DNA directs which substance to construct these eyes? A. lipids B. water C. proteins D. carbohydrates

The modern synthesis refers to: a. the combination of anthropology and biology b. the combination of modern genetics and Darwinism. c. the combination of modern anthropology with animal behavior d.

Is the pattern on a butterfly's wing unique to each?