5 - Unit 3 Ecology final flashcard
Flashcard
•
Science
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is carrying capacity in an ecosystem?
Back
The maximum number of individuals of a particular species that an environment can support sustainably.
2.
FLASHCARD QUESTION
Front
What factors can affect the carrying capacity of an ecosystem?
Back
Factors include availability of resources (food, water, shelter), environmental conditions (sunlight, temperature), and interactions with other species (predation, competition).
3.
FLASHCARD QUESTION
Front
What is the primary source of energy for most ecosystems?
Back
Sunlight is the primary source of energy for most ecosystems, as it is used by producers to create organic matter through photosynthesis.
4.
FLASHCARD QUESTION
Front
Define autotrophs.
Back
Autotrophs are organisms that can produce their own food from inorganic substances, typically through photosynthesis or chemosynthesis.
5.
FLASHCARD QUESTION
Front
What is the role of producers in an ecosystem?
Back
Producers, or autotrophs, convert solar energy into chemical energy through photosynthesis, forming the base of the food chain.
6.
FLASHCARD QUESTION
Front
What are heterotrophs?
Back
Heterotrophs are organisms that cannot produce their own food and must consume other organisms for energy.
7.
FLASHCARD QUESTION
Front
Explain the concept of a food chain.
Back
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.
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