Ecology Review for DCFA

What are adaptations?

• traits that help an organism to survive and reproduce
• traits that help an organism hide
• traits that help an organism to seek protection
• traits that help an organism to see.

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The ability of an organism to survive and reproduce.

• fitness

• energy

• agility

• instinct

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Which feature of a rose helps it grow without being eaten by large animals?

• flowers with bright colors
• sharp thorns
• small seeds
• deep roots

Why Do aniamals Adapt?

• To make their life better
• To Survive in their envorment.
• To make people happy
• ALL of the above

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The possible cause for the finches on the Galapagos Islands to have beaks that are different from the finches living on the south american mainland?

• mainland finches built different nests.

• there were different types of food available on the island

• all the different types of predators living on the island

• some were salt water finches

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Which statement is true about producers and consumers?

• Producers need sunlight to make their own food. Consumers need oxygen to make their own food.

• Consumers rely on carbon dioxide to make their own food. Producers need sunlight and water to make their own food.

• Producers need sunlight, water, and carbon dioxide to make their own food. Consumers rely on other organisms for food.

• Consumers rely on water and sunlight to make their own food. Producers rely on other organisms for food.

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Kelp is a plant that lives in the shallow parts of the ocean. Which of the following is a reason why the kelp live in the shallow ocean rather than the deep ocean?

• to have access to carbon dioxide

• to have access to oxygen

• to have access to water

• to have access to sunlight

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If a forest fire destroys many trees, what will most likely happen to the food web?

• Mice will get their energy from eating trees.

• The deer population will increase.

• The deer population will decrease.

• Caterpillars will have to move to another forest to find another food source.

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What would happen to the food web if the rabbit population decreased?

• The snake and mountain lion population would decrease.

• The grasshopper population would decrease.

• The deer population would decrease.

• The mountain lion population would remain the same.

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What is the purpose of the arrows in a food web?

• to indicate the size of the organism

• to show the direction they travel

• to show the relationships between organisms

• to show the flow of energy

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