Question

Directions: Match Colum A with column B
A
1. The boundary where fresh water meets the salt water. 1
B
A. food web
2. Area where the ocean meets the land. 2
B. ecosystem
3.
They are capable of making their own food. 3
Consists of two or more food chains.
4.
C. intertidal zone
1 D. estuary
3 producers
5. Where the biotic and abiotic factors interact.
Directions: Encircle the letter of the best answer.
6. Which of the following is a biotic factor in an ecosystem?
A. sand
B. seaweeds
C. sun
D. water
7.
Which organism can produce its own food?
A. Algae
B. fish
C. frog
D. starfis​

Answer 1

Answer:

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