Someone thakns : )

an advantage of electron microscopes compared to light microscopes is that electron microscopes?

a. are inexpensive and commonly used in most biology laboratories?

b. allow you to view living cells, while light microscopes do not?

c. have higher resolution that allows you to view smaller specimens?

d. allow you to view the true colors of the specimens being viewed?

Which description provides the best objective summary of the article in the passage?

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

How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.