Grade 8 review

What characteristic does NOT describe living things?

• They grow and use energy

• They take in nutrients and produce waste

• They can invade other organisms

• They can reproduce

• They can respond to stimuli

Which answer does NOT describe Cell Theory?

• All organisms are made up of one or more cells.

• Every cell contains a nucleus

• All cells come from pre-existing cells

• The cell is the most basic unit of structure and organization that performs life functions

What defines a Eukaryote?

• A plant or animal cell

• Cells that have a membrane-bound nucleus

• a unicellular organism

• Contains DNA

What defines a prokaryote?

• A multicellular organism

• Bacteria, archaea, protists

• A cellular organism without a membrane-bound nucleus

• Has a cell wall

What defines a micro-organism?

• An organism that can only be seen with a microscope

• Bacteria that spoil our food

• An organism with only negative impacts on humans

• A virus that can infiltrate our body

What do plant cells have that animal cells do not? Select all that apply:

• Nucleus

• Chloroplasts

• Cell Wall

• Mitochondria

Microorganisms have only negative interactions with humans

• True

• False

How does the body protect us from pathogens? (Write a short sentence)

What can help protect us from microbes that make us sick? (select all that apply)

• Traditional First Peoples medicines

• Vaccines

• Antibiotics

• Washing hands