How are sediments formed?

a random event kills off most the elephants in one area of africa the elephants left all happen to have shorter tails what mechanism is operating to change the genes in this population

I need 3 different food chains for a forest including 5 animals per chain

Unlike a lytic infection, a lysogenic infection A. damages the host cell and causes it to burst B. requires a virus to inserts its nucleic acid into a host cell's DNA. C. involves a virus and its nucleic acid. D. involves a host.

The African clawed frog (Xenopus laevis) is allotetraploid, likely as a result of an interspecies mating long ago, followed by a duplication of the entire genome. Xenopus laevis is fertile and has a normal life cycle.

A new, sixth global mass-extinction event appears to be occurring on earth today. the most likely explanation for the dramatic loss of species is

The first commercial application of genetic engineering was the use of bacteria to make insulin, a medicine needed by diabetics.

The period of cell growth and development between moronic division is called?

Where does the overwhelming amount of seismic activity occur on the earth?

Treatment for a patient with congestive heart failure and shortness of breath may include

Sea corals live exclusively in the ocean and are radially symmetrical. They have microscopic stinging barbs that shoot out to immobilize their prey. This allows corals to hunt even while they are stuck to the ocean floor.