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Ecosystems Review

Test Description: SC PASS Review

Instructions: Answer all questions to get your test result.

1) What is the smallest living part of a living thing?

Avacuole Bnutrient Cnucleus Dcell

2) Through what part of a cell do materials enter and waste products leave?

Acell membrane Bnucleus Ccytoplasm Dchloroplast

3) What is the function of a vacuole?

Ait surrounds a cell and holds it together Bit gathers sunlight for photosynthesis Cit stores food, water, and other materials Dit contains the cell's nucleus

4) How are plant cells different from animal cells?

Aplant cells have more cytoplasm Bplant cells have fewer parts Cplant cells have cell membranes Dplant cells have chloroplasts

5) Which is these is the most complete description of an ecosystem's parts?

Aall rocks, soil, and air in an area Ball the living and nonliving things in an area Call the sources of water in an area Dall the plants and animals living in an area

6) Many microorganisms live in soil. What do all the microorganisms of the same species living in an area's soil make up?

Aa population Ba community Can ecosystem Da habitat

7) Which of these is an example of an abiotic factor in a forest ecosystem?

Asunlight Btree Cmoss Dsquirrel

8) What do all of the populations in an area make up?

Aa community Ba habitat Ca niche Dan ecosystem

9) Which of these is the best example of an interaction between a biotic factor and an abiotic factor in an ecosystem?

Aan elephant uproots a tree Ba wolf drinks from a stream Csunlight warms a rock Da bird feeds its young

10) Where would you most likely find a salt marsh?

Abeside a large lake Bnear a grassland Con the ocean floor Dat the edge of an estuary

11) How are ecosystems in the deep sea different from ecosystems in shallow ocean water?

Adeep sea ecosystems usually have warmer water Bno sunlight reaches deep sea ecosystems Cwater pressure is lower in deep sea ecosystems Dalgae are more common in deep sea ecosystem

12) Which ecosystem is most likely to have fertile soil for growing crops?

Apond Bsalt marsh Cestuary Dgrassland

*select an answer for all questions

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