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Question (11)

QN0012483

A web model has 18 connections. If 5 connections break, how many remain?

(A) 11
(B) 12
(C) 13
(D) 14

Correct Answer: C

Explanation:

18 − 5 = 13 connections.

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Question (12)

QN0012484

Why are plants called producers?

(A) They produce their own food
(B) They produce animals
(C) They produce soil
(D) They produce rain

Correct Answer: A

Explanation:

Plants prepare their own food.

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Question (13)

QN0012485

In the Web of Life, a tiger depends on a deer mainly as a source of

(A) shelter
(B) food
(C) water
(D) oxygen

Correct Answer: B

Explanation:

Deer serve as prey for tigers.

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Question (14)

QN0012486

If 20 rabbits depend on grass and 4 rabbits move away, how many rabbits still depend on the grassland?

(A) 14
(B) 15
(C) 16
(D) 17

Correct Answer: C

Explanation:

20 − 4 = 16 rabbits.

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Question (15)

QN0012487

Which activity best demonstrates the Web of Life concept?

(A) Connecting organisms with thread to show relationships
(B) Measuring rainfall
(C) Drawing geometric figures
(D) Counting classroom chairs

Correct Answer: A

Explanation:

Thread connections represent relationships among living things.

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Question (16)

QN0012488

If a web has 24 links and one-fourth are removed, how many links remain?

(A) 16
(B) 18
(C) 20
(D) 22

Correct Answer: B

Explanation:

One-fourth of 24 is 6; 24 − 6 = 18.

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Question (17)

QN0012489

Which organism receives energy most directly from the Sun?

(A) Tiger
(B) Deer
(C) Plant
(D) Snake

Correct Answer: C

Explanation:

Plants use sunlight to make food.

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Question (18)

QN0012490

Why is biodiversity important in the Web of Life?

(A) It strengthens ecosystem connections
(B) It weakens ecosystems
(C) It removes food chains
(D) It reduces habitats

Correct Answer: A

Explanation:

Greater biodiversity strengthens ecosystems.

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Question (19)

QN0012491

A food web contains 8 plant species and 12 animal species. How many species are represented altogether?

(A) 18
(B) 19
(C) 20
(D) 21

Correct Answer: C

Explanation:

8 + 12 = 20 species.

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Question (20)

QN0012492

Which of the following best shows dependence in nature?

(A) A deer eating grass
(B) A stone lying on the ground
(C) A chair in a classroom
(D) A book on a table

Correct Answer: A

Explanation:

Deer depend on grass for food.

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Question (11)

A web model has 18 connections. If 5 connections break, how many remain?

Explanation:

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Question (12)

Why are plants called producers?

Explanation:

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Question (13)

In the Web of Life, a tiger depends on a deer mainly as a source of

Explanation:

Link:

Question (14)

If 20 rabbits depend on grass and 4 rabbits move away, how many rabbits still depend on the grassland?

Explanation:

Link:

Question (15)

Which activity best demonstrates the Web of Life concept?

Explanation:

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Question (16)

If a web has 24 links and one-fourth are removed, how many links remain?

Explanation:

Link:

Question (17)

Which organism receives energy most directly from the Sun?

Explanation:

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Question (18)

Why is biodiversity important in the Web of Life?

Explanation:

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Question (19)

A food web contains 8 plant species and 12 animal species. How many species are represented altogether?

Explanation:

Link:

Question (20)

Which of the following best shows dependence in nature?

Explanation:

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