Biology EOC Review

Front

What is the independent variable in an experiment?

Back

The independent variable is the factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What are the two reactants of cellular respiration?

Back

The two reactants of cellular respiration are glucose (C6H12O6) and oxygen (O2).

Front

How does sweating help maintain homeostasis?

Back

Sweating helps maintain homeostasis by regulating body temperature.

Front

If a daughter cell has 24 chromosomes, how many chromosomes did the parent cell have?

Back

The parent cell also had 24 chromosomes, as mitosis results in daughter cells with the same number of chromosomes as the parent cell.

Front

What percentage of energy is typically transferred from one trophic level to the next in an ecosystem?

Back

Typically, 10% of energy is transferred from one trophic level to the next.

Front

Define homeostasis.

Back

Homeostasis is the process by which living organisms regulate their internal environment to maintain stable, constant conditions.

Front

What is cellular respiration?

Back

Cellular respiration is the process by which cells convert glucose and oxygen into energy (ATP), carbon dioxide, and water.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll is a pigment found in plants that absorbs light energy, primarily from the sun, to convert carbon dioxide and water into glucose and oxygen.

Front

What is the function of the mitochondria?

Back

Mitochondria are known as the powerhouse of the cell, as they are responsible for producing ATP through cellular respiration.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients from one organism to another.