Question 1

1. Species diversity refers to the variety of species living together in a region. Which is the BEST example of species diversity?

Accepted Answer

Different types of insects in a garden

Answer

Alamid, cheetah, and lion belong to the family of cats.

Answer

Moths and butterflies have similarities in their physical appearance.

Answer

Fungi, plants, and animals interacting in an ecosystem

Question 2

2. Which is the effect of biodiversity on the survival of species in the ecosystem?

Accepted Answer

Maintains the interactions of organisms

Answer

Disrupts disturbances

Answer

Proliferates predators

Answer

Lowers resiliency of organisms

Question 3

3. Which causes a decrease in the stability of the ecosystem?

Accepted Answer

Low biodiversity

Answer

High Biodiversity

Answer

High energy flow

Answer

Low energy flow

Question 4

4. Which reflects high biodiversity?

Accepted Answer

B

Answer

A

Answer

D

Answer

C

Question 5

5. Which ecosystem has high stability?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 6

6. Which practice CANNOT increase the stability of our forest?

Accepted Answer

Clear the weeds to grow more trees.

Answer

Introduce new species of trees.

Answer

Propagate the native trees.

Answer

Plant different species of trees.

Question 7

7. Kamagong, Narra, and Acacia are resilient to strong winds. What would be the effect of resiliency on the forest?

Accepted Answer

Increases the stability of the forest and maintains the diversity

Answer

Cannot be determined

Answer

Maintains the diversity

Answer

Increases the stability of the forest

Question 8

8. Which is a threat to the balance of the ecosystem?

Accepted Answer

Population of predators increases.

Answer

Growth of different species

Answer

Organisms reproduce their kind.

Answer

Species of prey is greater in number than the species of predator.

Question 9

9. Which is NOT an example of disturbance in the ecosystem?

Accepted Answer

Growth of microorganisms

Answer

Strong wind

Answer

Algal bloom

Answer

Pouring of heavy rain

Question 10

10. Organisms belonging to a species may demonstrate a unique trait. How can this variation in traits within a species increase their adaptation in the ecosystem?

Accepted Answer

Organisms with desirable traits adapted and maintained the presence of their species in the ecosystem.

Answer

Species with unique traits have a high percentage of proliferation rate compared to the species with common traits.

Answer

Unique traits among organisms allow them to proliferate.

Answer

Predators will avoid the species with unique traits.

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