Unit 1 Vocabulary Quiz 3 worksheet for students to fill in the best answers using provided vocabulary terms.

Let’s go through each question one by one and match it with the best word from the Word Box.

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Question 1:
“__________ is the death of all the members of a certain group of organisms”
→ This means when an entire species dies out forever. The correct term is Extinction.

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Question 2:
“How things change and move is called ______________.”
→ Think about what makes things happen — like moving, growing, or changing. That’s powered by energy.

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Question 3:
“All the living and non-living things surrounding an organism is called its ______________.”
→ This is the definition of environment — everything around you that affects you.

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Question 4:
“__________ things eat, breathe, grow, move, reproduce and have senses.”
→ These are characteristics of living things. So the answer is Living.

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Question 5:
“Things that do not eat, breathe, grow, move, reproduce and have senses are called ______________ things.”
→ Opposite of living → non-living

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Question 6:
“A ______________ is the role a living thing plays in its habitat”
→ This is the definition of niche — your job or role in nature.

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Question 7:
“Something is called ______________ when there is an insufficient supply or not enough of the thing that is needed.”
→ When something is hard to find or not enough → scarce

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Now let’s double-check we used words only from the Word Box:

Word Box:
Abiotic, Extinction, over-abundant, Biotic, Living, scarce, energy, niche, environment, non-living

We used:
1. Extinction ✔
2. energy ✔
3. environment ✔
4. Living ✔
5. non-living ✔
6. niche ✔
7. scarce ✔

All answers are from the box and fit perfectly.

Final Answer:
1. Extinction
2. energy
3. environment
4. Living
5. non-living
6. niche
7. scarce