Diversity and Evolution of Living Organisms SC.5.L.15.1

Flowering plants rely on small insects to spread their pollen to other flowers for survival. Recently, the numbers of honey bees and bumble bee have decreased and they have become endangered. Which of these statements is not true about the impact on other species if the bee population continues to decrease?

• It will impact food supply, a decrease in fruits.

• Flowering plants will continue to survive as long as they produce seeds.

• Other species could eventually become endangered and extinct.

• Food cost would rise due to shortage.

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In the food chain, living things are linked together by the food they eat. They become dependent on each other as a source of food. In the food chain below, what would happen if there was an event that caused the number of owls to decrease?

• There would be an increase in the number of caterpillars.

• There would be a decrease in the number of snakes.

• There would be an increase in the number of snakes.

• There would be an increase in the number of plants.

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Plants, like animals, may have to compete for resources. Which of these is a resource that plant populations will not be in competition for ?

• sunlight

• air

• food

• space

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In every population of organisms, crowding may cause a greater demand for available resources. This event leads to greater competition as these resources become limited. Which pair of organism are least likely to compete for the same resources?

• two fox

• a flower and hummingbird

• two fish

• a fox and a rabbit

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Decomposers get their energy from breaking down dead plants, dead animals, and waste. Which of the following would be an example of a decomposers?

• a frog

• mushroom

• grass

• an insect

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Using the listed organisms below in a food chain, which of the organisms below would provide energy directly to the lizard?

• 
• 
• 
• 

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Many animals, including bats hibernate during very cold temperatures. Scientist have discover that the amount of time they will sleep depends on how low the temperature drops. If there were a change in the seasonal climates where these bats live, what could be a possible effect of warmer temperature?

• The bats will relocate to live in another colder environment.

• The bats would change their habits to hunt during the day.

• The bats would just continue to live as they did before.

• There would be less food available for them to eat.

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