Food webs are more commonplace than food chains because

The lack of a mechanism hampered the acceptance of the idea that A) God created the universe. B) species change over time. C) organisms respond to stimuli. D) none of the above

What were the 4 scenarios of griffiths experiment?

Which of these choices is a risk of linear economy

When the body stops producing enough new blood cells, the risk for infections and uncontrolled bleeding increases. What is the designation of this condition? immune disorder thalassemia leukopenia aplastic anemia

Which of the following is not a possible consequence of being exposed to radiation? a. Cancer c. Genetic mutations b. Enhanced physical ability d.

A human ingests a tapeworm. The tapeworm lives in the human's intestines and absorbs nutrients, preventing the human from receiving vital nutrition. Which type of organism is the tapeworm? decomposer host parasite predator

Genetic mutations pass to offspring in gametes because gametes A) are not germ cells. B) make up all internal organs. C) do not divide during mitosis. D) fuse during sexual reproduction.

How can you tell that a sperm cell is animal cell and not a plant cell?

The all-or-nothing principle means that a. All the nerve impulses go to the brain b. An entire neuron depolarizes to its maximum strength c. All the potassium ions on one side of the cell membrane move to the other side of the cell membrane d.

Saki went on vacation and was fortunate enough to get to see the aurora australis. What solar activity did she observe?