The process by which bacteria convert ammonia into nitrates for plants to uptake is

a. nitrification

b. nitrogen fixation

c. denitrification

To avoid such dangerous results, it is important to give a patient compatible blood. Which type of blood can a person with Type A blood receive? Check all that apply.

Which of these is NOT a cell typically found in the xylem tissue? Which of these is not a recognized class of plant hormone? tracheids vessels companion cell vascular parenchyma

Activities that destroy forests is called what

Is salad, steak, and grapes, biotic

Why is it plant cells have cell walls and animal cells do not?

Dna is a polymer, which means that is made up of many repeating single units (monomers). what are the monomers called?

Which is biotic? a. wind b. iron gate c. sunlight d. dead leaf

Place the following events in order to sequence the evolution of life on Earth. (A) Prokaryotes (B) Land Plants (C) Multicellular Eukaryotes (D) Single-celled Eukaryotes (E) Formation of Earth A, E, D, C, B E, A, D, C, B B, C, D, A, E E, D, C, A, B

What is the function of the cardiac conduction system?

The survival of organisms best suited to a particular environment is known as