Which of these is an biotic factor?

In the 1800s, many people living in the cities in the United States died of infectious diseases such as cholera, which is caused by a bacterium that pollutes water. Cholera is no longer a major problem in the United States.

How much of the ice on planet is located in this extreme place?

Identify the interactions as positive, negative, or both. A mudslide wipes out the side of a thriving hill: A volcano erupts, covering the nearby land with lava: A forest is rapidly growing new plant life: Humans remove wolves from a national park

Put in order to describe normal neuron communication.

Why are bacteria used in recombinant DNA technology? O A. They cannot make protein. OB. They have no genes. O C. They divide quickly. O D. They have a nucleus.

Which two organ systems regulate homeostasis in our bodies? A. nervous and endocrine B. cardiovascular and respiratory C. nervous and cardiovascular

How does the body avoid damaging the digestive enzymes in the small intestine with this strongly acidic pH as the food passes out the stomach

All of the following could prevent a genetic trait from becoming an adaptation except: A. The failure of an individual with the trait to reproduce. B. a large change in the abiotic conditions of the environment. C.

The theory of what tells us that favorable traits will become common in a population over time

What are primitive features of lycopodium?