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โ† SetsGrade 7 Science Q4: Living Things & Ecosystems โ€” Set 2
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Grade 7 Science Q4: Living Things & Ecosystems Practice Questions โ€” Set 2

10 free Grade 7 Science Q4: Living Things & Ecosystems reviewer questions with answers and explanations. Pindutin ang sagot mo para makita agad kung tama โ€” kasama na ang paliwanag. Set 2 of 4.

11

Which part of the microscope should you hold when carrying it?

12

Which organelle is responsible for synthesizing proteins in the cell?

13

What is the semi-permeable boundary that surrounds all cells and regulates what enters and leaves?

14

Why do plant cells have a rigid cell wall, but animal cells do not?

15

What refers to an organism that consists of only one cell?

16

Which of the following is a biotic factor in a pond ecosystem?

17

What is the term for a series of overlapping food chains in an ecosystem?

18

Organisms that break down dead organic matter and return nutrients to the soil are called:

19

Which symbiotic relationship occurs when one organism benefits and the other is neither helped nor harmed?

20

What happens to the amount of available energy as it moves up the trophic levels in an energy pyramid?