What is geologic time?

A) the period before humans appeared on earth

B) a unit of time used to measure rock formation

C) a period of time during which only rocks existed

D) the time that has passed since earth formed

Which explanation is most likely the reason for the evolution of a larger brain in humans? The size of the human brain increases the more it is used. A larger brain allows humans to solve complex problems.

Scientists once believed that modern-day reptiles were the only living descendants of dinosaurs, which were reptiles.

In the final step of cellular respiration, what powers the generation of atp by atp synthase

Assume that a cell has 6 chromosomes while it is in the g1 stage of the cell cycle. how many chromosomes and how many dna molecules will it have in the g2 stage?

16. In some genetically engineered corn plants the dominant gene (BT) produces a protein that is lethal to certain flying insect pests that eat the corn plants. It was also found that the pollen could cause death in some flying insects.

What are the key elements of cell theory? chose all that aply A. All living things are composed of one or more eukaryotic cells. B. Cells arise only from other cells. C. The cell is the basic unit of life. D.

How is polar molecule different from a non polar molecule

Fetures of unwarped mountains

What scientist discovered cells by observing cork with a homemade microscope

How can scientists learn about the evolution of eyes, given that there is very little fossil evidence?