Adaptations and Ecosystem Stability

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

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What would most likely happen if an ecosystem no longer received sunlight?

• The number of herbivores would increase
• The number of plants would increase
• all organisms would adapt
• All living organisms would eventually die

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What does biodiversity mean?

• Only one species in an area.
• The different amount of species in an area
• All abiotic life
• Nitrogen fixation

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In this tundra food web, if grasses were removed what would happen to the sustainability of the ecosystem?

• There would be an overpopulation of arctic hares and lemmings.
• Polar bears would move to a new ecosystem
• The ecosystem would collapse because it lost its main producer
• Wildflowers would die out from the ecosystem

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What is an advantage of a biodiverse ecosystem?

• Can withstand changes in resources

• Can recover more quickly from a natural disaster

• Can withstand the immigration of a new predator

• all of the above

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Biodiversity leads to

• Increased Stability

• Decreased Stability

• Increased Exctintions

• Increased Endangered Species

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How would the biodiversity of this ecosystem be affected if the lantern fish disappeared?

• The ocean sunfish population would increase.
• The large shark population would die out.
• The squid would die out.
• There would be no change.

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When a non-native species is introduced to a new ecosystem and begins to cause harm, it is then referred to as a/an…

• Invasive species

• Native population

• Native species

• Monoculture

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Rivers are home to many kinds of birds. Which foot is most likely the adaptation of a bird that swims in water to find food?

• 
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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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