Biology EOC review

Front

What is fitness in biology?

Back

Fitness refers to an organism's ability to survive and reproduce in its environment. A bird that can outcompete others for food and produce many eggs has high fitness.

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. In the plant water intake experiment, the amount of water is the independent variable.

Front

What type of symmetry does a flatworm have?

Back

Flatworms exhibit bilateral symmetry, meaning their body can be divided into two identical halves along one plane.

Front

What is mitosis?

Back

Mitosis is the process of asexual reproduction in eukaryotic cells, where a single cell divides to produce two identical daughter cells.

Front

What makes a leaf green?

Back

Chlorophyll is the pigment that makes leaves green, and it is found in chloroplasts within the leaf cells.

Front

What is a eukaryotic cell?

Back

A eukaryotic cell is a type of cell that has a nucleus and other membrane-bound organelles, unlike prokaryotic cells.

Front

What is the role of chloroplasts in plants?

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Chloroplasts are organelles in plant cells that conduct photosynthesis, converting light energy into chemical energy.

Front

What is the difference between asexual and sexual reproduction?

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Asexual reproduction involves a single organism producing offspring identical to itself, while sexual reproduction involves the combination of genetic material from two parents.

Front

What is the dependent variable in an experiment?

Back

The dependent variable is the factor that is measured or observed in an experiment. In the plant growth experiment, plant growth is the dependent variable.

Front

What is radial symmetry?

Back

Radial symmetry is a type of symmetry where body parts are arranged around a central axis, like in jellyfish.