The first plants to colonize land were the:

A. gametophytes.

B. bryophytes

C. pteridophytes

D. lycophytes

E. B and C are correct

What is the structure of dna that watch crick and franklin contributed to discover?

Mast cells play what key role in initiating an immune response?

The center of the cross section of a root contains called

Which form of reproduction in fungi can allow the fungi to reproduce sexually? A. budding B. alternation of generations C. spore formation D. cone formation E. fragmentation

Which components of a virus is lacking a cell

Why might a baby be born early if the mother smokes?

It is crucial that the process or mitosis is error free. this is because otherwise healthy cells can

How does blood move through the body?

The sinuses are a defect in bone growth and have no real purpose. a. True b. False

How can growth of a population be slowed by its own numbers?