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Question (31)

QN0034252

In a habitat, there are 24 fish, 16 frogs, and 8 turtles. What is the ratio of fish : frogs : turtles?

(A) 3 : 2 : 1
(B) 2 : 3 : 1
(C) 1 : 2 : 3
(D) 4 : 2 : 1

Correct Answer: A

Explanation:

24 : 16 : 8 = 3 : 2 : 1.

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Question (32)

QN0034253

Which term refers to the number of individual organisms of the same type in a given area and time?

(A) Population
(B) Community
(C) Habitat
(D) Adaptation

Correct Answer: A

Explanation:

Population refers to organisms of the same type in a given place and time.

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Question (33)

QN0034254

A pond contains fish, frogs, snails, turtles, algae, and lotus plants. These together form a ________.

(A) population
(B) species
(C) community
(D) climate zone

Correct Answer: C

Explanation:

Different populations living together form a community.

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Question (34)

QN0034255

A school garden has 10 rose plants, 15 sunflower plants, and 25 marigold plants. Which population is the largest?

(A) Rose
(B) Sunflower
(C) Marigold
(D) All are equal

Correct Answer: C

Explanation:

Marigold population = 25, the highest.

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Question (35)

QN0034256

Which statement is true about organisms in a community?

(A) They never interact.
(B) They belong to only one species.
(C) They interact and depend on one another.
(D) They are all producers.

Correct Answer: C

Explanation:

Organisms in a community interact and depend on each other.

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Question (36)

QN0034257

If the population of one plant species decreases from 40 to 25 individuals, by how many individuals has it decreased?

(A) 10
(B) 15
(C) 20
(D) 25

Correct Answer: B

Explanation:

40 − 25 = 15.

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Question (37)

QN0034258

In a habitat, there are 14 ducks, 21 fish, and 7 turtles. Which population is the smallest?

(A) Ducks
(B) Fish
(C) Turtles
(D) All equal

Correct Answer: C

Explanation:

Turtles have the lowest population (7).

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Question (38)

QN0034259

A community can exist only when ________.

(A) multiple populations share the same habitat
(B) only one species is present
(C) abiotic factors are absent
(D) organisms do not interact

Correct Answer: A

Explanation:

Communities consist of multiple populations.

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Question (39)

QN0034260

A researcher records 48 ants and 12 beetles in a plot. Ants outnumber beetles by ________.

(A) 24
(B) 30
(C) 36
(D) 48

Correct Answer: C

Explanation:

48 − 12 = 36.

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Question (40)

QN0034261

Which example best demonstrates the relationship between population and community?

(A) A population is made up of many communities.
(B) A community is made up of different populations.
(C) A population contains abiotic factors.
(D) Population and community mean exactly the same thing.

Correct Answer: B

Explanation:

Different populations together form a community.

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Question (31)

In a habitat, there are 24 fish, 16 frogs, and 8 turtles. What is the ratio of fish : frogs : turtles?

Explanation:

Link:

Question (32)

Which term refers to the number of individual organisms of the same type in a given area and time?

Explanation:

Link:

Question (33)

A pond contains fish, frogs, snails, turtles, algae, and lotus plants. These together form a ________.

Explanation:

Link:

Question (34)

A school garden has 10 rose plants, 15 sunflower plants, and 25 marigold plants. Which population is the largest?

Explanation:

Link:

Question (35)

Which statement is true about organisms in a community?

Explanation:

Link:

Question (36)

If the population of one plant species decreases from 40 to 25 individuals, by how many individuals has it decreased?

Explanation:

Link:

Question (37)

In a habitat, there are 14 ducks, 21 fish, and 7 turtles. Which population is the smallest?

Explanation:

Link:

Question (38)

A community can exist only when ________.

Explanation:

Link:

Question (39)

A researcher records 48 ants and 12 beetles in a plot. Ants outnumber beetles by ________.

Explanation:

Link:

Question (40)

Which example best demonstrates the relationship between population and community?

Explanation:

Link:

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