Multiple Choice
Which of the following lists includes five essential components that an ecosystem needs to survive?
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48. Ecology
Introduction to Ecology
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Why might the absence of a particular animal call be an indication that a rainforest ecosystem is experiencing problems?
A
It shows that the rainforest is undergoing normal seasonal changes.
B
It suggests that the species producing the call may be declining or has disappeared due to environmental stress or habitat loss.
C
It indicates that the animals have migrated to a healthier part of the same rainforest.
D
It means that the rainforest is experiencing an increase in biodiversity.
Verified step by step guidance1
Understand the role of animal calls in an ecosystem: Animal calls are often used for communication, mating, territory defense, or signaling danger. These calls are specific to species and are a sign of their presence in the ecosystem.
Recognize the importance of biodiversity in a rainforest: Rainforests are highly diverse ecosystems, and the presence of various species contributes to ecological balance. A decline in biodiversity can indicate environmental stress or habitat loss.
Analyze the absence of a particular animal call: If a specific call is missing, it may suggest that the species producing the call is declining or has disappeared. This could be due to factors such as deforestation, pollution, climate change, or other environmental stressors.
Consider the implications of species decline: The disappearance of a species can disrupt food chains, affect pollination, and lead to a cascade of negative effects on the ecosystem's health and stability.
Conclude that the absence of the call is a warning sign: The lack of a particular animal call is not indicative of normal seasonal changes or increased biodiversity. Instead, it suggests that the rainforest ecosystem may be experiencing problems such as habitat loss or environmental stress.
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