Ecology Flashcard
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the energy transfer efficiency at each trophic level?
Back
Energy transfer between trophic levels is typically about 10%, meaning only about 10% of the energy from one level is available to the next.
2.
FLASHCARD QUESTION
Front
What happens to grain populations if owls are removed from an ecosystem?
Back
If owls disappear, grain populations would likely increase because there would be fewer organisms (like rodents) that consume grains.
3.
FLASHCARD QUESTION
Front
What is the process marked with A in the carbon cycle diagram?
Back
The process marked with A is cellular respiration, where organisms convert glucose and oxygen into carbon dioxide and water.
4.
FLASHCARD QUESTION
Front
What event can lead to primary succession?
Back
Primary succession can occur after a volcanic eruption when new rock is formed from cooled lava.
5.
FLASHCARD QUESTION
Front
How does energy flow to sea ducks?
Back
Energy flows to sea ducks from sunlight to phytoplankton to bivalves to sea ducks.
6.
FLASHCARD QUESTION
Front
What is photosynthesis?
Back
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.
7.
FLASHCARD QUESTION
Front
Define the term 'trophic level'.
Back
A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.
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