What is migration in animals?
Unit 7 Formative Exam Review

Flashcard
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Science
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Migration is the seasonal movement of animals from one region to another, often for breeding or feeding purposes.
2.
FLASHCARD QUESTION
Front
What is biodiversity?
Back
Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of different species.
3.
FLASHCARD QUESTION
Front
What is the impact of decreased populations of a species on the ecosystem?
Back
Decreased populations can lead to imbalances in the ecosystem, affecting food chains and the survival of other species.
4.
FLASHCARD QUESTION
Front
What role do pesticides play in ecosystems?
Back
Pesticides can harm non-target species, disrupt food chains, and lead to declines in populations of beneficial organisms.
5.
FLASHCARD QUESTION
Front
What is a protected area?
Back
A protected area is a designated region where human activity is restricted to conserve wildlife and natural resources.
6.
FLASHCARD QUESTION
Front
How does overfishing affect marine ecosystems?
Back
Overfishing can lead to the depletion of fish populations, disrupting the balance of marine ecosystems and affecting other species.
7.
FLASHCARD QUESTION
Front
What is the significance of female spawning age in fish populations?
Back
Female spawning age is crucial because older females typically produce more eggs, contributing to the sustainability of fish populations.
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