Human Impact Review

Flashcard
•
Biology
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is competition in an ecosystem?
Back
Competition occurs when two or more species or individuals vie for the same resources, such as food, space, or light. Invasive species, like kudzu, can outcompete native species, leading to their decline.
2.
FLASHCARD QUESTION
Front
What happens to a population when the number of births equals the number of deaths?
Back
The population will stay the same, indicating a stable population size.
3.
FLASHCARD QUESTION
Front
What is biomagnification?
Back
Biomagnification is the process by which toxins become more concentrated in the tissues of organisms at higher trophic levels in an ecosystem.
4.
FLASHCARD QUESTION
Front
What is habitat loss?
Back
Habitat loss refers to the destruction or alteration of natural environments, often due to human activities like deforestation, agriculture, and urban development.
5.
FLASHCARD QUESTION
Front
What happens to a population when the number of births exceeds the number of deaths?
Back
The population will increase, indicating a growth in population size.
6.
FLASHCARD QUESTION
Front
Define invasive species.
Back
Invasive species are non-native organisms that spread widely in a new habitat, often causing harm to native species and ecosystems.
7.
FLASHCARD QUESTION
Front
What is the relationship between biodiversity and ecosystem health?
Back
Higher biodiversity typically indicates a healthier ecosystem, as it enhances resilience, productivity, and stability.
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