Ture or false : Macromolecules are made up of smaller units called monomers

True

Explanation:

Macromolecule are complex molecules made up of several repeating units of simpler molecules known as monomers, held by specific bonds.

Examples of macromolecules and their corresponding monomers include:

- Proteins made up of amino acids

- Polysaccharides such as starch made up of glucose units

Thus, the statement is true.

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.