Questions and Answers
If a disease strikes the snake population in the food chain shown, what will be the initial effect on the populations of hawks and rabbits? (Select all that apply)
In the stable food chain shown, what would you expect to happen initially if you were to suddenly double the population of rabbits? (Select all that apply)
What event within the food chain might lead to the graph shown below?
A disease in the population of rabbits.
What most likely caused the rabbit population to decrease over the first time unit shown in the following graph?
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Trapping has severely reduced the population of rabbits in an ecosystem. What is the most likely effect this will have on other organisms?
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Study Notes
Impact of Disease on Food Chain
- A disease affecting the snake population leads to a decrease in hawks and an increase in rabbits.
Consequence of Increased Rabbit Population
- Doubling the rabbit population causes a decrease in grass and an increase in both snake and hawk populations.
Event Indicating Population Changes
- A disease in the rabbit population could lead to observable changes in the food chain dynamics.
Causes of Rabbit Population Decline
- A higher-than-normal snake population is likely responsible for the decrease in rabbits over time.
Effects of Rabbit Trapping
- Significant reduction in rabbit populations results in a rapid decline of snakes and a swift increase in grass populations.
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Description
Test your understanding of food chain dynamics with these flashcards. This quiz assesses how changes in one species affect others in the ecosystem, particularly focusing on the interactions between hawks, snakes, rabbits, and grass. Challenge yourself and see how well you grasp ecological relationships!
