8 SCI Fall Final Review

Front

What is the closest star to Earth?

Back

The Sun.

Front

What is a biotic factor?

Back

A living component of an ecosystem, such as plants and animals.

Front

What is an abiotic factor?

Back

A non-living component of an ecosystem, such as water, rocks, and temperature.

Front

What is a food web?

Back

A complex network of feeding relationships among organisms in an ecosystem.

Front

What is the role of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the soil.

Front

What is the function of a cell membrane?

Back

To regulate what enters and exits the cell, allowing water and nutrients to pass through.

Front

What is the function of a cell wall?

Back

To provide structure and protection to plant cells.

Front

What is the Earth's axis?

Back

An imaginary line that runs from the North Pole to the South Pole, around which the Earth rotates.

Front

What is the significance of the Earth's tilt?

Back

The tilt of the Earth's axis affects the seasons and climate.

Front

What is photosynthesis?

Back

The process by which plants use sunlight to convert carbon dioxide and water into glucose and oxygen.