During which period did mammals first appear?

a.

Pleistocene

b.

Carboniferous

c.

Cretaceous

d.

Jurassic

Convert 1,650,000 centimeters to kilometers. 1.65 kilometers 16.5 kilometers 165 kilometers 1,650 kilometers

What 2 characteristics make up a good index fossil?

Unlike red blood cells, white blood cells A. can live for many years. B. are made in the bone marrow. C. are the most numerous cells in the blood. D. carry oxygen through the body.

most cells that have become transformed into cancer cells have which of the following when compared to normal, healthy cell?

Summarize what happens to chromosomes during the stage of the cell cycle in which the nucleus divides

Salvador would like to take a paternity test to determine if he is Pilar's father. He asks Pilar's mother, Antonia, to provide DNA samples for both her and Pilar. Which technique will most likely be used to compare the three DNA samples?

What is not a a form of passive transport

12. When a plant grows on the shade

What is the life expectancy of stage 4 sarcoidosis?

What does action force mean