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End of year review: Unit 3

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Last updated over 3 years ago
4 questions
Required
1
Question 1
1.
The smallest unit of an element is a(n) _______.
Required
1
Required
5
Required
3
Question 2
2.
A(n) _______ is a group of atoms joined by chemical bonds.
Question 3
3.

Match the organelle to the correct definition.

Draggable itemarrow_right_altCorresponding Item
cytoplasm
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rigid outer layer of a plant cell
chloroplasts
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gel like fluid where organelles are found
nucleus
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produces the energy a cell needs to carry out its functions, it is called the powerhouse
cell wall
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contains the DNA of the cell
mitochondria
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captures energy from sunlight and uses it to produce food in plant cells
Question 4
4.

Select the organs.