
APES Semester Exam Review
Flashcard
•
Biology
•
12th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is net primary production?
Back
Net primary production is the energy captured by photosynthesis minus the energy lost through cellular respiration in an ecosystem.
2.
FLASHCARD QUESTION
Front
Why are sea otters important to their ecosystem?
Back
Sea otters are crucial because they feed on sea urchins, which can overgraze kelp forests, thus maintaining the health of these ecosystems.
3.
FLASHCARD QUESTION
Front
What does habitat diversity refer to?
Back
Habitat diversity describes the variety of different habitats within an ecosystem or the world.
4.
FLASHCARD QUESTION
Front
What is age structure in a population?
Back
Age structure refers to the distribution of individuals of different ages within a population.
5.
FLASHCARD QUESTION
Front
What characterizes Stage 4 of population growth?
Back
In Stage 4, the total population is leveling out, indicating a stable population size.
6.
FLASHCARD QUESTION
Front
Define biodiversity.
Back
Biodiversity refers to the variety of life in a particular habitat or ecosystem, including species diversity, genetic diversity, and ecosystem diversity.
7.
FLASHCARD QUESTION
Front
What is the role of producers in an ecosystem?
Back
Producers, such as plants, convert solar energy into chemical energy through photosynthesis, forming the base of the food web.
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