Your respiratory muscles contract each time you exhale.

TrueFalse

Before constructing a hypothesis, a scientists must first A. Make a guess B. Do background research C. Analyze their data D. Conduct and experiment

Lamarck wrote an important book talking about A. the old age of Earth. B. how organisms could change. C. the movement of the continents. D. that fossils were extinct organisms.

How can polyploidy in plants benefit humans?

Vicabulary 8 biology

Most ciliates have two A. Cilia B. Cell walls C. Cell membranes D. Nuclei

Witch organism would have the most similar traits

Write the least common multiple of 7 and 14

Each horizontal row in a pedigree chart represents a mating. a generation. several siblings. several characteristics.

Simpler communications and decreased miscommunications are associated with

What is the signal for a vesicle storing peptide hormone to move to the plasma membrane and release contents of vesicle? a. Activation of an integrin receptor b. Activation of a g-protein c. Activation of an enzyme linked receptor d.