Which base is found only in RNA?

A) ribose

B) thymine

C) uracil

D) deoxyribose

While many organisms depend on the soil for nutrients and water, only a few very specialized organisms live in the soil itself. A. TrueB. False

Rajesh designed an experiment to test the effect of fertilizer on plant growth. The table on the right shows the data he collected. Which changes should Rajesh make to his experiment to improve the validity of the data? Check all that apply.

Paragraph about ground water

What is the first stage of both technological design and scientific investigation?

Why do all organism must have ribosome

Which type of relationship benefits both species? Mutualism Competition Parasitism Commensalism

Which is a carbohydrate monomer

Archaea are classified into three groups depending on their metabolism. Cite these three groups and define each one briefly

Long term environmental change to an area is likely to create selective pressure that will- A. mutate the genetic makeup of organisms B. influence adaptation of populations over time C.

4 things that deep water currents are important because