All living things are made of what?

An organism makes internal changes to maintain the right amounts of water and food in its cells. What is the term for this ability?

Organisms require to carry on life activities.

The way an organism interacts with the world around it is called responding to .

What is the first word in the two-word name of an organism?

What is the closest relative to Canis lupus?

Which one of these do living things NOT need to survive?

What category of an organisms can mate and produce fertile offspring?

Carolus Linnaeus developed a system of grouping organisms that was accepted and used by most scientists. What is the name of this system?