Reading Comp. Population

What does population density refer to?

• The number of individuals living in a specific area

• The total number of species in an ecosystem

• The amount of food available in an area

• The rate at which a population grows

What happens when a population exceeds an ecosystem's carrying capacity?

• Resources like food and water may run out

• The population becomes more diverse

• The ecosystem becomes healthier

• The population density decreases

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Which human activities can reduce an ecosystem's carrying capacity?

• Deforestation and pollution

• Planting more trees

• Recycling waste

• Using renewable energy

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What is extinction?

• When a species completely disappears from the Earth

• When a population grows too fast

• When an ecosystem becomes overcrowded

• When biodiversity increases

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Why is biodiversity important?

• It helps ecosystems stay healthy and stable

• It increases the population density

• It reduces the need for resources

• It prevents carrying capacity from being exceeded

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How can we prevent extinction?

• By protecting species and their habitats

• By increasing population density

• By reducing biodiversity

• By exceeding the carrying capacity

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Define Osmosis.

Define diffusion.