The document contains 5 questions about ecosystems and biological concepts. Question 1 asks about the term for many different species living together in the same area, with the answer being a community. Question 2 is about a large herd of buffalo found on a grassland representing a population. Question 3 asks about biological control of pests, with the answer being natural predators that prey on pests. Question 4 asks about an example of commensalism, with the answer being shark and remora fish. Question 5 asks about a human activity that contributes to city roads flooding during heavy rain, with the answer being deforestation.

1. EXERCISE : CHAPTER 4
Interdependence Among Living
Organisms and the
Environment

2. QUESTION 1
Many groups of different species living
together in the same place is called
A. A habitat B. A population
C. A community D. An ecosystem

3. QUESTION 2
A large herd of wild buffaloes were found in a
grass land. These animals represent a
A. Population B. Community
C. Habitat D. Species

4. QUESTION 3
Biological control of pests involves
A. Natural predators B. Chemicals which cause
that prey on the pests diseases to the pests
C. Chemicals that kill D. Weapons to hunt down
the pests the pests

5. QUESTION 4
Which of the following interactions shows
commensalism ?
A. Birds and worms B. Paddy and grass
C. Shark and D. Tapeworm and
remora fish human intestines

6. QUESTION 5
City roads are flooded during a heavy rain.
Which of the following human activities
contributes to the occurrence ?
B. Uncontrolled hunting
A. Open burning
of wild animals
C. Use of chemical
D. Deforestation
pesticides

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