Activity 4
Evaluation
Direction: Encircle the letter of the correct answer
1. An environment's biotic and abiotic factors interact to make a(n)
a. Habitat b. ecosystem.
c. niche. d. resources
2. What does biotic mean?
a. Living
b. non-living
3. What should replace the question mark?
Biotic factors - pine trees, squirrels, bacteria
Abiotic factors - light, water, ?
a. Soil
b. ferns
C. worms d. cacti
4. Which is a biotic factor that affects the size of a population in a
specific ecosystem?
a. average temperature
c. type of soil
b. number and kinds of predators d. concentration of oxygen
5. Which factor is an abiotic factor?
a. Lion
b. plant
C, water d. air e. cand d
6. Biotic defines the living parts of an ecosystem.
a. True
b. False
7. Which is an abiotic factor in an ecosystem?
a. ant
b. decaying plant c. earthworm d. sand​