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Biodiversity Test
Human Impact: Changes in Biodiversity
Question | Answer |
---|---|
What is deforestation? | Clearing of trees and plants |
What is Diosgenin? | A resource from tropical plants and used in medicines |
What is Agave? | A resource from a desert plant used for sweetener for food and drinks |
Changes to an ecosystem's biodiversity can have a direct effect on... | humans because we depend on the Earth's natural resources |
What is biodiversity? | An area with lots of different plants and animals |
What are natural resources? | Items created naturally by Earth that are needed by humans |
What are pollinating insects? | Insects that help spread pollen to grow more crops and plants |
What would happen if we didn't have pollinating insects? | Crops that humans use for food would be diminished. |
Why is biodiversity important in the ocean? | Producers in the ocean produce up to 90% of the world's oxygen. |
What does marine mean? | ocean water |
How do people rely on marine water ecosystems? | transporting goods, mining the ocean, food, recreational activities |
What is another name for non-native species? | invasive species |
What is a non-native species? | an invasive species (plants or animals) that are not originally from that area |
How do non-native species reduce biodiversity? | by damaging or killing native species |
What is an example of a pollinating insect? | Bee, butterfly, wasp, flies |
Why are pollinating insects important? | They help pollinate plants and grow crops. |
What is a coral reef? | diverse underwater ecosystems held together by calcium carbonate structures secreted by corals |
What is a substrate in a coral reef? | A man-made surface that helps coral reefs grow |
Why are coral reefs important? | provide shelter for many animals; provides food and medicine for humans |
Human can make a _____ change in coral reefs by helping them grow. | positive |