Ecology

What is an invasive species?

• A native species that thrives in its environment.
• A species that is only found in zoos and aquariums.
• An organism that benefits local ecosystems.
• a non-native organism that disrupts local ecosystems.

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Why do invasive species thrive?

• they lack natural predators and often have competitive advantages.

• They have more access to water and sunlight than native species.
• Invasive species are always larger than native species.
• They thrive due to their ability to adapt to any environment.

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What is a predator?

• A predator is an organism that hunts and consumes other organisms.
• A predator is an organism that only eats plants.
• A predator is a type of herbivore.
• A predator is an organism that lives in water.

What is a prey?

• Prey is an animal that hunts other animals.
• Prey is a type of predator.
• Prey is a plant that grows in water.
• Prey is an animal that is hunted and eaten.

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If there arent enough prey- what is most likley the first thing that will happen?

• Predators may starve or migrate.
• Predators will become more aggressive.
• Predators will adapt to eat plants.
• Prey populations will increase rapidly.

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Who is at the top of an energy pyramid?

• Primary consumers
• Herbivores
• Decomposers
• Apex predators

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Who is at the bottom of an energy pyramid?

• Producers (plants)
• Decomposers
• Herbivores
• Carnivores

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Who gets the most energy in an energy pyramid?

• Producers (plants) get the most energy.
• Tertiary consumers (top predators)
• Secondary consumers (carnivores)
• Primary consumers (herbivores)

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Who gets the least amount of energy in an energy pyramid?

• apex predators

• Secondary consumers
• Primary consumers
• Producers

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Why are they called producers? ( plants)

• They are called producers because they consume other organisms.
• They are called producers because they grow in water.
• They are called producers because they are the largest plants.
• They are called producers because they produce their own food.

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