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Ecological Relationships and Adaptations Quiz

#1

Which of the following is an example of a mutualistic ecological relationship?

Bee pollinating a flower
Explanation

Mutualism benefits both the bee and the flower through pollination.

#2

Which adaptation is NOT commonly observed in desert plants?

Large, broad leaves
Explanation

Desert plants typically have small or no leaves to reduce water loss.

#3

What is the primary source of energy in most ecosystems?

Sunlight
Explanation

Sunlight is the primary source of energy driving photosynthesis in ecosystems.

#4

Which of the following is an example of a primary producer?

Tree
Explanation

Primary producers, like trees, convert sunlight into energy via photosynthesis.

#5

Which of the following is a biotic factor in an ecosystem?

Fungi
Explanation

Biotic factors include living organisms like fungi, affecting ecosystem dynamics.

#6

What is the term for the role or function of an organism in an ecosystem?

Niche
Explanation

An organism's niche encompasses its role, habitat, and interactions within an ecosystem.

#7

What is the term for the ecological relationship where one organism benefits while the other is neither helped nor harmed?

Commensalism
Explanation

In commensalism, one organism benefits while the other remains unaffected.

#8

Which of the following is an example of a behavioral adaptation?

Hibernation in bears
Explanation

Hibernation is a behavioral adaptation aiding bears to survive harsh conditions.

#9

Which of the following is an example of a keystone species?

Sea otter
Explanation

Sea otters play a crucial role in maintaining the health of their ecosystem.

#10

What is the term for the process by which a population becomes better suited to its environment over time?

Adaptation
Explanation

Adaptation is the evolutionary process enabling populations to thrive in their environment.

#11

Which biome is characterized by low temperatures, permafrost, and limited vegetation?

Tundra
Explanation

The tundra biome is characterized by cold temperatures, permafrost, and sparse vegetation.

#12

Which of the following is an example of a pioneer species?

Lichen
Explanation

Pioneer species like lichen colonize barren environments, paving the way for other species.

#13

In a food chain consisting of grass, rabbits, and foxes, which organism occupies the highest trophic level?

Foxes
Explanation

Foxes are tertiary consumers, occupying the highest trophic level in this food chain.

#14

Which of the following is an example of a secondary consumer in an aquatic ecosystem?

Small fish
Explanation

Secondary consumers feed on primary consumers in aquatic ecosystems.

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