Noxia
Answered

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1. Which among these is an example of a natural ecosystem? *
1 point
a. dam
b. grassland
c. subdivision
d. wheat field
2. Which is an example of an abiotic factor in an ecosystem? *
1 point
a. animals
b. decomposers
c. plants
d. temperature
3. Which is NOT a type of coral reef? *
1 point
a. atoll
b. barrier reef
c. fringing reef
d. lagoon
4. What makes up a coral reef? *
1 point
a. algae
b. limestone
c. rocks
d. sand
5. Which of these is called the “rainforest of the sea”? *
1 point
a. beach
b. coral reefs
c. estuary
d. lagoon
6. Which is NOT a function of mangrove roots? *
1 point
a. filter out salts
b. build up shorelines
c. absorb and store salt from water
d. remove impurities and pollutants from water
7. These are the trees which live in shallow, coastal areas. *
1 point
a. mangroves
b. coral reefs
c. ecosystem
d. rainforests
8. A coral is made up of minerals and _______________. *
1 point
a. atolls
b. rocks
c. limestone
d. algae
9. It is the top most area of a tropical rainforest which receives most of the sunlight. *
1 point
a. understory
b. forest floor
c. lagoon
d. canopy
10. These are the “living” factors of the ecosystem. *
1 point
a. abiotic
b. biotic
c. atolls
d. understory
11. A place where living and non-living things interact with each other. *
1 point
a. ecosystem
b. shoreline
c. zoo
d. subcanopy
12. These are the circular reef systems which enclose a deep or a large lagoon. *
1 point
a. fringing reef
b. barrier reef
c. atolls
d. patch reef
13. The “non-living” component of an ecosystem. *
1 point
a. abiotic
b. biotic
c. atolls
d. understory
14. A large group of hardened, mineralized stones produced by corals which forms a diverse community. *
1 point
a. mangrove swamps
b. wheat field
c. tropical rainforest
d. coral reefs
15. Corals are living organisms. *
1 point
True
False
II. Put a check mark ( /) on the line if the sentence tells a way of conserving or protecting mangrove swamps. Put a cross (x) if it does not. 16. During Christmas season, some Filipinos cut mangrove branches to make Christmas trees. *
1 point
/
x
17. The mayor proposes a project on constructing a concrete footway along the mangrove swamps in the town. *
1 point
/
x
18. The residents in a community practice waste segregation to avoid throwing waste in the swamps. *
1 point
/
x
19. Some fisherfolk dispose of their used motor oil near mangrove swamps. *
1 point
/
x
20. Jose hangs a poster near a mangrove swamp to inform people that cutting mangroves is prohibited. *
1 point
/
x

need ko po yan i brainliest kita pag nasagot mo to

Sagot :

domingonicole45

Answer:

1.a

2.b

3.d

4c

5a

6a

7c

8d

9b

10a

11c

12d

13a

14b

15true

16×

17✓

18×

19✓

20✓

Explanation:

carry on learning

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