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WorksheetsGrade 8 review
Total questions: 9
Worksheet time: 8mins
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
