Semester Final Review

What does the prefix bio- refer to?

• life

• chemicals

• Earth

• Space

What contains information (the codes) for growth and development?

• DNA

• Atoms

• Organs

• Organelles

What are the instructions for traits that are passed from parents to offspring?

• genes

• homeostasis

• stroma

• molecules

What word means keep things the same?

• homeostasis

• stimuli

• concentration

• cellulose

Cells are the

• smallest units that can carry on all of the functions of life.

• same as atoms.

• smallest thing in the universe.

• things that make up everything on Earth.

What needs energy, reproduces, and is composed of cells?

• living things

• atoms

• nonliving things

• molecules

________ compose all organisms.

• Cells

• Starch

• CO₂

• Plants

Homeostasis is how all living things

• maintain a balance with their environment.

• grow bigger.

• develop their cells.

• acquire energy.

How do you test a hypothesis?

• Conduct an experiment

• Make inferences

• Look up the answer

• Communicate with other scientists.

Which of these is a testable possible explanation of an observation?

• Hypothesis

• Answer

• Statement

• Experiment