Unit 2 APES

Flashcard
•
Science
•
9th - 12th Grade
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a keystone species?
Back
A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance. For example, sea otters are considered a keystone species because they help maintain the balance of kelp forest ecosystems.
Tags
NGSS.MS-LS2-2
NGSS.MS-LS2-4
NGSS.MS-LS2-5
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, genetic diversity, and the variety of ecosystems.
Tags
NGSS.MS-LS2-5
NGSS.MS-LS4-4
3.
FLASHCARD QUESTION
Front
Why is high biodiversity important for ecosystems?
Back
High biodiversity increases ecosystem resilience, allowing it to better withstand environmental changes and disturbances. It also enhances ecosystem services such as pollination, nutrient cycling, and water purification.
Tags
NGSS.MS-LS2-5
4.
FLASHCARD QUESTION
Front
What is species richness?
Back
Species richness is the number of different species represented in a given ecological community, landscape, or region.
Tags
NGSS.MS-LS2-5
5.
FLASHCARD QUESTION
Front
What is species evenness?
Back
Species evenness measures how equal the populations of different species are in a community. High evenness means that species are represented by similar numbers of individuals.
Tags
NGSS.MS-LS2-5
6.
FLASHCARD QUESTION
Front
What is a natural disruption to an ecosystem?
Back
Natural disruptions are events that occur in nature that can change the structure or function of an ecosystem, such as volcanic eruptions, hurricanes, and earthquakes.
Tags
NGSS.MS-LS2-4
7.
FLASHCARD QUESTION
Front
What is the impact of air pollution on ecosystems?
Back
Air pollution is not a natural disruption; it is a human-induced factor that can harm ecosystems by affecting air quality, harming wildlife, and altering habitats.
Tags
NGSS.MS-ESS3-3
NGSS.MS-ESS3-4
NGSS.MS-LS2-4
NGSS.MS-LS2-5
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