Which part of the embryo becomes the roots?

a) the bottom part of the embryo

b) the top part of the embryo

c) the middle of the embryo

d) all of the embryo

Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box

Isotopes of the same element have differ in their