13 If 90 families were lost in an extinction event that lasted 10 million

years, and cach family contained 200 species, how many species were

lost every 100,000 years during that period?

F. 90

M. 200

G. 180

I. 360

Is a egg is a living thing or not a living thing

Noise pollution can be annoying but does not pose any threat to human health. a. True b. False

Where is the nucleus usually Located

A five carbon Alkene has two carbon double bonds. predict the chemical formula of this compound

A sorting device that is useful by classifying by observation is a?

What would happen to aquatic organisms if solid water were denser than liquid water? O A. The organisms would migrate to land. O B. The organisms would survive under the floating surface of ice during the winter. O C.

16) An increase in the amount of living material in an organism is called A) growth. B) homeostasis. C) reproduction. D) cell division.

Describe two processes through which rare alleles might become more frequent in a population

Carla likes to garden. One side of Carla's garden is shaded by nearby trees and does not get much light. The other side gets plenty of light. Carla notices that the plants in her garden grow at different rates.

Which of the following is thought to be the most closely related to the common animal ancestor? fungal cells protist cells plant cells bacterial cells