Homeostasis refers to

A.

the effect of natural selection on human evolution.

B.

a mixture or solution that is the same throughout.

C.

the tendency of a cell to maintain a stable internal environment.

D.

the similarity of genetic traits to one another.

What is an autotroph

You want to estimate the number of canvas backs (a type of duck) at the Sacramento Wildlife Refuge. In two days you capture 200 canvas backs, mark all of them and release them.

Which part of a sea star's stomach is extruded out through it's mouth to eat?

Approximately how much energy is transferred from one step in a food chain to the next? 90% 1%.1% 10%

What activities occur in all living organisms

The relative location of four genes on a chromosome can be mapped from the following data on crossover frequencies Genes B and D Frequency of Crossover 5% Cand A 15% A and B 30% C and B 45% Cand D 50% Which of the following represents the relative

How can we use rocks to determine how an area used to look in the past?

What type of bonds connect the deoxyribose sugars to the phosphate group?

What are proteins made up of?

What are at least 5 important words associated with the water cycle? What do they mean? Why are they important?