During the course of darwin's journey aboard the h. m.s. beagle he was collecting and recording and

a. biological; genetic evidence.

b. religious; political evidence

c. historical; biological evidence

d. fossils; geological evidence.

e. geological; biological diversity evidence

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land