Food Chains, Webs, Adaptations, Invasive Species Spiral Review

Over long periods of time, organisms adapt. To adapt means to ________.

• change and become better suited to their environment

• be eaten by predators

• eat both poisonous plants and animals

• survive a late-winter snowstorm

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Some animals get nutrients by

• taking in carbon dioxide.
• getting nutrients from the soil.
• eating plants.
• eating, drinking, or breathing.
• making their own food.

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Over long periods of time, organisms adapt, so the species is _________________

• able to survive without water and other nutrients
• better suited to survive in its environment
• willing to change the world around it
• able to live without eliminating waste

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To ___________ is to change in a way that makes an organism better suited to live in its environment.

• reproduce
• mature
• pollinate
• adapt

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Which adaptations make it possible for polar bears to live in the Arctic? (Select 4 answers)

• thick layer of body fat that keeps it warm
• specialized fur that insulates the animal's body
• strong paws and claws for walking on ice
• ability to swim and move among ice masses
• ability to dig an underground burrow for shelter

Which is a behavior that helps a species survive?

• A beaver slaps its tail on the surface of the pond.
• An owl's sharp eyes detect the movement of a field mouse.
• A barn swallow builds its nest out of mud and feathers.
• all of these

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Check FOUR reasons why this statement is FALSE: A food chain can begin with an omnivore.

• All food chains begin with a producer.
• Omnivores do not get their energy directly from the sun.
• Omnivores are consumers, not producers.
• Omnivores get energy from producers and consumers.
• There are many more animals than plants.

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In a food chain model, what does an image of the sun represent?

• material plants use to make food
• food that plants make
• both producers and consumers
• the source of all food energy

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The food of all animals can be traced back to plants because _________________.

• all animals eat at least one or two different plants
• animals eat plants, or they eat animals that eat plants
• animals that do not eat plants are not very healthy
• there are many more plants than animals on Earth

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What type of organism comes first in every food chain?

• consumer
• producer
• carnivore
• herbivore

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