N an ecosystem, some plants may convert atmospheric nitrogen into ammonia through a process called

a. transformation.

b. denitrification.

c. nitrogen fixation.

d. nitrogenous mutation.

How do humans negatively impact the tundra biome

What was the main advantage of living in a tropical rainforest?

Why must an in vitro observation be confirmed in vivo? A. A living thing does not make its own enzymes. B. A test tube is exactly like a living cell. O c. Some enzymes behave unnaturally in a test tube. O D.

A heat source could be considered a source of pollution

Compare and contrast the rainforest and desert ecosystem

This is a genetic mutation caused by the insertion or deletion of one or more nucleotides that changes the amino acid sequence from the site of the mutation forward.

WhAt is sceince in english

The development of some organisms, like sea turtles, are affected by the temperature at which the eggs are incubated. Typically, cooler temperatures produce more males, and warmer temperatures produce more females.

What is one function of the pyloric sphincter? a. secretes hormones into the stomach b. prevents the contents of the small intestine from backing up into the stomach c. secretes acid into the stomach d.

What are some examples of how environmental factors affect genetic variation and influence natural selection