Environmental Science Unit 4 review

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What is competition in natural selection?

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Competition is the struggle between organisms for limited resources, where those with successful traits are more likely to survive and reproduce.

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What is mutualism?

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Mutualism is a type of species interaction where both organisms benefit from the relationship.

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What happens to the frog population if the snake is removed from the food web?

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The frog population will increase due to the absence of its predator, the snake.

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What is the role of the frog in the food chain: Berries→Butterfly→Frog→Snake→Buzzard?

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The frog is a secondary consumer, as it eats primary consumers (butterflies) and is eaten by tertiary consumers (snakes).

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What is ecological succession?

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Ecological succession is the process by which ecosystems change and develop over time, often following a disturbance.

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Front

Define primary consumer.

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Primary consumers are organisms that eat producers (plants) and are the first level of consumers in a food chain.

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What is a food web?

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A food web is a complex network of feeding relationships among various organisms in an ecosystem.

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What is the difference between a food chain and a food web?

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A food chain is a linear sequence of organisms through which nutrients and energy pass, while a food web is a more complex network of interconnected food chains.

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What is the role of producers in an ecosystem?

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Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

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What is predation?

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Predation is a biological interaction where one organism (the predator) hunts and consumes another organism (the prey).

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