8th Grade Science State Test Review

All of the chemical reactions that happen in an organism

The heat transfer process that causes Earth's plates to move

Body system that transports nutrients and oxygen throughout the entire body

Body system responsible for exchanging gases with the environment - major organ: lungs

Type of digestion where food is broken down by movement

Type of digestion where food is broken down by chemicals like saliva and stomach acid

An environment changes naturally over time - short plants to tall plants to large trees

Humans choose specific organisms to breed/reproduce based on desired characteristics

Abnormal cell growth

Bacteria and viruses are also known as _________.

When egg and sperm meet

Changing an organism by editing its DNA

A type of change where the size, shape, form, or state of matter is changed. The object keeps its same properties.

A type of change where a new substance is produced - key signs include explosion, heat produced, color change, odor

The gel-like substance in a cell that keeps the organelles in place

A group of cells working together to perform a certain function

Locomotion means...

The organelle found only in plants that conducts photosynthesis

A thing or event that causes an organism to react

The life cycle of certain organisms - occurs in specific stages

The unit used to measure energy contained in food

Something kept the same for different trials in an experiment

A group of organisms from the SAME species

A group of living organisms from multiple different species

Organisms that produce their own food through photosynthesis

Organisms that break down organisms for food/nutrients

Organisms that only eat plants

Organisms that eat plants AND animals

Organisms that only eat other animals