How well an organism survives and reproduces in its environment can be described as its:
A. Common descent
B. Fitness
C. homologies
D. analogies

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change

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