Which statement best describes the earliest ancestors of plants?

A. They had no competition.

B. They were vascular.

C. They had seeds.

D. They lived in water.

O q u e s ã o t e n d õ e s?

Should we devote time and money to developing alternative energy resources? Why?

Explain why the nuclear membrane should dissolve during mitosis. what is the "risk" to the cell if the nuclear membrane is dissolved?

How many glucose molecules can be formed by 6 molecules of carbon dioxide? A. 1 B. 12 C. 6 D. 18

Select the mechanisms where the concentration of the nucleophile/base has no effect on the reaction rate

HURRY! Which best describes the structure of the molecules that make up proteins? O A. Carbon + hydrogen + oxygen B. Phosphate + sugar ring + nucleotide base O C. Hemoglobin + oxygen + iron O D. Carboxyl group + amino group + side chain

Which plant cell organelle converts chemical fuel into packets of chemical energy that can power the cell?

6. What mechanisms or events are needed for a star to make heavier elements than iron?

This is the process that release energy by breaking down food molecules in the presence of oxygen

What 4 structure will urine flow through to exit the body?