GUYS NEED NOW HELP Me Pretest
Direction: Write the letter of the correct answer on the answer sheets provided on pages
9-10.
b.
1. What do you call the interaction between living things (biotic) and non-living things
(abiotic)?
a. biomes b. ecosystem
C. relationship d. creation
2. Which food chain occurs in the forest ecosystem?
a. grass-caterpillar-birds
c. grass-wild bees-lion
.
grass-mouse-snake
d. grass-rabbit-owl
3. Which organisms show commensalism?
a small fish and algae
b. orchid attached to a branch of a tree
b. eagle eating snake
d. a tick on animal's body
4. In a forest ecosystem, which organisms are directly affected if the population of plants
decreases?
a. carnivores b. decomposer c. herbivores d. predators
5. Which of the following destroys the marine ecosystem?
a. fishponds
c. dynamite fishing
b. reclamation
d. constructing man-made sanctuaries
Answers & Comments
Answer:
1. b. ecosystem
2. a. grass-caterpillar-birds
3. b. orchid attached to a branch of a tree
4. c. herbivores
5.)c. Dynamite fishing
Explanation: sana makatulong