Directions: Choose the letter of the best answer.
1. What are the things needed by plants to make their own foods
A. water, chemicals and oxygen
B. oxygen and carbon dioxide
C. oxygen and chemicals
D. carbon dioxide, soll and sunlight
2. Which group of organisms can be found in the mangrove ecosystem?
A mussels, fish, corals B. womm. rat, fish C. butterfly, snoke, bird D. mangrove trees, fiddler crab, fish
3. It is an environment where both living and non-living things exist and interact with one another.
A. ecology
B. ecosystem C. community D. population
4. What kind of interaction is shown when worms live in the guts and flesh of a fish
A mutualism
B. commensalism
C. predation
D. parasitism
5. Which of the following represents the ecosystem?
Eoosystem
A. Living Community
Non living
Ecosystem
Non living
B. Living Community
Ecosystem
C. Living Community
Non-living
Non living
D. Living Community
wago, PhD​