Biology Q1 Review

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What is osmosis?

Back

Osmosis is the movement of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

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What is the best example of osmosis?

Back

Water moving through the cell membrane.

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What are nucleotides?

Back

Nucleotides are the basic building blocks (monomers) of nucleic acids, which include DNA and RNA.

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What is the first source of energy for living things?

Back

The sun.

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What does an If/Then statement represent in scientific terms?

Back

A hypothesis.

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In an experiment, what is the independent variable?

Back

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

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What is the dependent variable in an experiment?

Back

The dependent variable is the factor that is measured or observed in an experiment.

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What is a control group in an experiment?

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A control group is a group in an experiment that does not receive the experimental treatment and is used as a benchmark to measure how the other tested subjects do.

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What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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What is photosynthesis?

Back

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.