Texas Life Science TEKS

• go through metamorphosis

• grow to very tall heights

• develop into adults and can reproduce

• start out as seeds

Which of these describes how a living organism depends on another living organism to survive?

• Mushrooms growing on the forest floor

• Frogs laying their eggs in a pond

• Dandelion seeds are carried long distances by the wind

• Bees pollinate the flowers on apple trees

A small fish, called a cleaner fish, picks bits of food from a shark’s teeth. What can best be concluded about this behavior?

• It helps the shark blend in with its surroundings

• It removes food from inside the shark’s body

• It helps both the cleaner fish and the shark

• It takes needed nutrition away from the shark

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Many desert lizards spend daylight hours under rocks, as shown below. This behavior is mainly a response to which part of the environment?

• lack of rain

• high temperatures

• blowing sand

• high winds

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• a producer

• a carnivore

• an herbivore

• an omnivore

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• There will be more aquatic wildlife.

• Populations of fish will decrease.

• The plants won’t have enough water.

• Beavers will have to leave the area.

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• The koala bears have sharp claws for grasping their prey and the owls have sharp claws to hold on to tree branches to look for food.

• The owls and koala bear both have sharp claws for grasping its prey.

• The koala bears have sharp claws for climbing and the owls have sharp claws for grasping its prey.

• The owls and koala bear both have sharp claws for climbing up trees away from dangerous predators.

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• allow them to absorb the maximum amount of water.

• grow deep underground to get nutrients.

• prevent predators from eating them.

• provide shade for animals.

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• The larger ears act as camouflage, so its predators think it is really a butterfly.

• The larger ears release heat to help keep the desert fox cool.

• The larger ears keep the desert fox warm during the winter.

• The larger ears help the desert fox burrow underground.

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• sea turtle

• apple tree

• butterfly

• milkweed bug