Which of the following is true of clydesdale and thoroughbred horses?
a. they are different species and have different traits.
b. they are the same species and have the same traits.
c. they are the same species and have different traits.
d. they are different species and have the same traits.

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 cell organelle is the site for photosynthesis? a. chloroplast b. endoplasmic reticulum c. golgi apparatus d. lysosome

Why are some places regularly warmer or cooler than others in a given month