Unit 3B Review

A scientist found some weird slime near a pond. What would he need to do to determine if some part of the slime were a living thing?

• Stir up the slime and see if anything moves

• Look with a microscope for the presence of cells

• Put the slime in the pond and see what happens

• Collect some slime and see if anything grows from it

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How can you tell if a cell is prokaryotic or eukaryotic?

• Take its temperature

• Use a telescope to look at it from far away

• Use a microscope to look for a nucleus in the cell

• Measure the cell's mass

What is the least number of cells should be present in a living organism?

• 1 million

• 100

• 1

• there is no set number

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What type of cell is this?

• prokaryotic

• eukaryotic

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What type of cell is this?

• Prokaryotic cell

• Eukaryotic cell

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Which of the fallowing has only abiotic factors?

• Sunlight, algae, and temperature

• Guppy, crab, oxygen

• Sunlight, soil, and weather

• Algae, temperature, and dog

What are the biotic factors in this image?

• sunlight, elephants, and grasses

• sunlight, water, and air

• elephants, plants, trees

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What are the abiotic factors in this image?

• water, sunlight, air

• birds and plants

• water, plants, and birds

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A certain plant needs moisture, carbon dioxide, oxygen, light, and minerals to survive. This scenario shows that this particular living organism depends on .

• Biotic and Abiotc Factors

• Biotic Factors

• Abiotic Factors

• None of the Above

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What do ecosystems have that the other three levels of organization do not have?

• living things

• biotic factors

• abiotic factors

• organisms

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