What would happen to the hawk population if most of the mice left the area because of habitat destruction?

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind f fossils