Unit 17: Plant and animal adaptations.

Aquatic plants have adaptations that help them live in water. For example, the structures needed for making food are located on the tops of floating plant leaves

This adaptation helps the plants —

• Stay anchored

• Absorb sunlight

• Avoid predators

• Catch fish

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A behavior that an animal is born with is called a ________?

• Learned behavior

• Behavioral adaptation

• Physical adaptation

• Instinct

Camouflage is the ability to______?

• blend in with its environment

• copy how another animal looks

• fly south for winter

• sleep through the winter

At which stage in the life cycle of a plant are seeds produced?

• A. Seedling

• B. Sprouting seed

• C. Mature plant

• D. Young plant

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Which two traits best help a cactus conserve water in the dry conditions of a West Texas desert ecosystem?

• Large flowers and sweet fruit

• Sweet fruit and sharp spines

• Sharp spines and waxy stems

• Waxy stems and large flowers

Animals and plants use substances that cycle through the environment. Which substance is needed by plants to survive and is released into the environment by animals?

• oxygen

• sugar

• salt

• carbon dioxide

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The roots of the prickly pear cactus spread out in a wide underground network. How does this type of root system benefit a prickly pear cactus?

• By producing fruit and storing water

• By capturing sunlight and getting rid of waste materials

• By absorbing water and supporting the plant in loose, sandy soil

• By releasing nutrients into the sandy soil and taking in oxygen

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A baby leopard stays with it's mother and she teaches them how to hunt for food. This is called?

• Easy life

• Learned behavior

• Instinct

• Camouflage

What is the midrib?

• a central vein on the blade from which smaller veins grow

• attaches the leaf to the plant

• provide support for the leaf and transport or carry nutrients and water

• the flat part of the leaf

Chlorophyll helps plant grow by using ____________ energy to make food for the plant.

• Fan's

• Air's

• Windmill's

• Sunlight's

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