Fall Semester Exam Review #2- Wade

Front

What is a population in ecology?

Back

A population is all members of a particular species that live in one area.

Front

What are the building blocks of RNA?

Back

RNA molecules are made of nucleotides.

Front

What is a heterotroph?

Back

An organism that cannot make its own food and relies on other organisms for nutrition.

Front

What are the reactants in the chemical equation CH4 + O2 → CO2 + H2O?

Back

The reactants are CH4 (methane) and O2 (oxygen).

Front

What role do plants play in an ecosystem?

Back

Plants are producers, meaning they create their own food through photosynthesis.

Front

What is an ecosystem?

Back

An ecosystem is a community of living organisms interacting with their physical environment.

Front

Define autotroph.

Back

An autotroph is an organism that can make its own food, typically through photosynthesis or chemosynthesis.

Front

What is a biome?

Back

A biome is a large geographical biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

Front

What is the difference between a community and a population?

Back

A community is made up of different populations of species living together in a specific area, while a population consists of individuals of the same species.

Front

What are polysaccharides?

Back

Polysaccharides are complex carbohydrates formed by long chains of monosaccharide units.