Which layer of Earth has convection currents?
A. Asthenosphere
B. Crust
C. Lithosphere
D. Mesosphere

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird

What do we call the process when two dominant alleles are expressed and do not blend? a.incomplete dominance b.codominance c.multiple alleles