Who is responsible for the greatest change in the biosphere?

a. producers

b. herbivores

c. carnivores

d. omnivores

What level of life is the ecosystem

A sperm fertilized an egg. Which two structures will the fertilized egg contact?

What is kudzu classified as?

What is meant when we say that organisms evolve?

Flexible tough material that makes up vertebrate skeletons or parts of the system

A male tree frog migrates to a new habitat with little ground vegetation and many tall trees. Jumping is the safest way for the frog to move from tree to tree.

Select the correct answer. Neurofibromatosis, a genetic disease caused by mutation on the NF1 gene, follows an autosomal dominant pattern of inheritance.

Which of the following is NOT a way a cell can increase its surface area A. decrease its volume B. add organelles C. let water out of the cell D. all of the above

Using a pH meter, you find that egg whites have a pH of nearly 8 and egg yolks have a pH near 6, if litmus paper turns blue in bases and red in acids, which part of eggs would turn litmus paper blue? A. both B. egg whites C. egg yolks D. neither

With all his gear neil armstrong weigh 360 pounds on earth when he landed on the moon he weighs 60 pounds why