Ascientist studying the star alpha centauri would probably rely on to gather data. a. the internet b. encyclopedia articles c. laboratory experiments d. descriptive investigations

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

What is the average speed of a car that traveled 300.0 miles in 5.5 hours