How do scientists study pollen grains to help them understand climate change?
by analyzing and making inferences about them,
by observing and listing facts about them,
by studying and reading more about them,
by inspecting them and sharing findings with other scientists

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

What is the following best defines climate?

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?