In the alternation of generations life cycle a zygote is formed after fertilization takes place. This zygote grows into an adult plant called a

What is the second line of defense against pathogens

Insulin and growth hormones are both steroid hormones. a. True b. False

In the experiment described in the scenario, what's the variable

Unlike meiosis, mitosis results in the formation of A. diploid cells. B. haploid cells. C. N daughter cells. D. body cells.

What consumers eats the rubber tree in the tropical rain forest

Which of the following is not a mechanism for speciation? A) allopatric speciation B) sympatric speciation C) geographic separation D) cancer

Which chemical equation is properly balanced? A. 4Ba + S, → 2BaS B. 4HgO + 4Hg + 30, C. 2FeO + 4C → Fe + CO, D. Sil, + 2Mg → Si + 2Mgl,

What kind of conditions probably existed millions of years ago in areas that are now rich in petroleum

Which is an example of population density? a. country with a large population b. a maximum number of wolves in a forest c. the total number of alligators in Florida d. two jaguars per thousand hectares

What is a word for when two plates coming together?