Unit 1A Review

Living things are made up of units called

• DNA

• cells

• homeostasis

• seeds

A plant growing towards the light is an example of 

• reproduction.
• responding to a stimuli.
• metabolism.
• homeostasis.

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A maggot changing into a fly is an example of 

• reproduction.
• growth and development.
• homeostasis.
• evolution.

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 All organisms contain instruction molecules that help determine which traits the organism will have is an example of 

• universal genetic code (DNA/RNA)
• metabolism
• evolution
• growth and development

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When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.

• All living things use energy
• All living things contain cells
• All living things maintain homeostasis
• All living things grow

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Prokaryotic cells are...

• cells which lack a nucleus and many organelles
• a special type of plant cell
• cells that have centrioles
• all of the above

Which of the following are found in all living cells?

• ribosomes
• cytoplasm
• cell membrane
• all of the above

This cell part controls what goes in and out of all cells.

• Cell Wall
• Cell Membrane
• Cytoplasm
• Nuclear Envelope

This cell part uses digestive enzymes to break down worn out cell parts and other waste.

• Lysosome
• Mitochondria
• Peroxisome
• Vacuole

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Which 2 organelles are only found in plant cells?

• chloroplast and mitochondria
• chloroplast and cell membrane
• mitochondria and cell wall
• chloroplast and cell wall