PA HELP PO SA SCIENCE @MissyAyrelleee
5. Which is NOT an example of a habitat found in an estuarine ecosystem?
A. coral reef
B. mango platation
C. mud flat
D. salt marsh
6. Which of these organisms is at the beginning of food chain?
A. frog
B. grass-hopper
C. green plants
D. snake
7. What do you call a biological community where group of living organisms interact with non living factors of the environment?
A. biosphere
B. community
C. ecosystem
D. population
8. Which of these abiotic factors refers to the amount of salt in water?
A. brackish water
B. salinity
C. temperature
D. waves
9. What will be formed when fresh water is mixed with salt water?
A. brackish water
B. cold water
C. drinking water
D. tap water
10. Which of the following is a biotic factor of the pond environment?
A. frogs
B. muddy soil
C. materials are re-cycable
D. warm temperature
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5. Which is NOT an example of a habitat found in an estuarine ecosystem?
A. coral reef
B. mango platation
C. mud flat
D. salt marsh
6. Which of these organisms is at the beginning of food chain?
A. frog
B. grass-hopper
C. green plants
D. snake
7. What do you call a biological community where group of living organisms interact with non living factors of the environment?
A. biosphere
B. community
C. ecosystem
D. population
8. Which of these abiotic factors refers to the amount of salt in water?
A. brackish water
B. salinity
C. temperature
D. waves
9. What will be formed when fresh water is mixed with salt water?
A. brackish water
B. cold water
C. drinking water
D. tap water
10. Which of the following is a biotic factor of the pond environment?
A. frogs
B. muddy soil
C. materials are re-cycable
D. warm temperature
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