If the oxygen level in the water dropped below 4 milligrams per liter of water, blue crabs would most likely do

Providing immunity by injecting the body with a weakened form a pathogen is known as

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Many plants can reproduce asexually. which of these is an example of asexual reproduction in a plant? a. pine cones forming on a tree b. cross-pollination in a tomato c. roots sprouting from a potato d. night-blooming jasmine flowers