What is the estimated population size of trees in a given area if 2 trees are found in 1 square meter, 4 trees in another, 3 in another, and 1 in the last, with a total area of 40 square meters?
Flashcard 1.4.2: Ocean Ecology #2 (2024)

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Science
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12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The estimated population size of trees is 100.
2.
FLASHCARD QUESTION
Front
If Level 4 of a food chain has 80 calories, how many calories does Level 3 have?
Back
Level 3 has 800 calories.
3.
FLASHCARD QUESTION
Front
What is the equation for photosynthesis?
Back
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
4.
FLASHCARD QUESTION
Front
How do you calculate the total number of brine shrimp in an aquarium if you collect 5 from a 10 ml sample of a 4000 ml aquarium?
Back
If 5 brine shrimp are collected from a 10 ml sample, the total number of brine shrimp (N) in the aquarium is 2000.
5.
FLASHCARD QUESTION
Front
What level consumer is a Sea Lion in an ecological food chain?
Back
A Sea Lion is a 4th level consumer.
6.
FLASHCARD QUESTION
Front
What is the formula to estimate population size using sampling?
Back
N = (number of individuals in sample / area of sample) * total area.
7.
FLASHCARD QUESTION
Front
What is the significance of the 10% rule in ecology?
Back
The 10% rule states that only about 10% of the energy from one trophic level is transferred to the next level.
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