How are red blood cells and nerve cells similar?
Both carry things throughout the body.
Neither are shaped like soccer balls without any air inside.
Both are found in plants.
Neither help to move muscles in the body.
Which is an example of an organism getting energy from fuel?
A duck laying eggs.
A puppy growing into an adult dog.
A human eating an apple.
A tree losing its leaves in winter.
Which is true of root cells?
They are not found in plants.
They make food for the organism.
They have chloroplasts.
They take in water and nutrients.
How is a hand lens similar to a microscope?
Both make small things look bigger.
Both are living things.
Neither is used by scientists.
Neither is used in the study of cells.
Which can you conclude about viruses?
They are easier to see than bacteria.
They cannot make people sick.
They cannot reproduce.
They are not made of living cells.