What is recombination?
a. combined gene pools of many populations
b. movement of genes across populations
c. random genetic changes in small populations
d. new groupings of alleles in offspring

How does science influence the decisions made about social, economic, and political issues?

Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi

The source of energy shown in the image is (renewable, non renewable, polluting) a drawback of building a dam is that (it will destroy ecosystems, it requires fossil fuels, it won’t be useful for irrigation)