The idea that all life is based on cells and that cells come only from other cells is known as the cell theory

Atmospheric nitrogen can only be used by most living things after it has been

How can you distinguish the dorsal and ventral sides of an earthworm?

The majority of an individual's daily kilocalories should come from

Predict which cell organelles would work together for a similar function

How did people who were Social Darwinists justify imperialism? p. s. not bio it is history

What is back and faward movement (Ear and sound)

The normal pacemaker of the heart is the

How do daughter cells get their dna

The creature in the photograph is a protist, which is composed of only one cell. This means that a protist A) cannot reproduce. B) is a living organism. Eliminate C) cannot survive in water. D) gets energy directly from sunlight.

What is a cost of using technology to transport water?