Ecology

What type of organism always starts the food chain?

• Producer (Plants)
• Consumers (Organisms)
• Predators (Organisms)
• Decomposers 

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What is a carnivore?

• An organism that only eats plants
• An organism that only eats other animals
• An organism that eats plants and animals

What is a herbivore?

• An organism that only eats plants
• An organism that only eats other animals
• An organism that eats plants and animals

What is a omnivore?

• An organism that only eats plants
• An organism that only eats other animals
• An organism that eats plants and animals

Which of these ecosystems would be most likely to recover?

• a temperate forest with average biodiversity that loses many types of trees due to a fire

• a tropical rainforest with high biodiversity that loses a species of fig tree due to a type of fungus

• a desert that has low biodiversity and loses all of the saguaro cacti that are growing there

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What is an invasive species?

• species of plant or animal from that ecosystem

• species of plant or animal brought from another ecosystem

• species of plant or animal that helps ecosystems thrive

How does deforestation affect an ecosystem?

• it increases the number of species

• it decreases the number of species

• it creates a new habitat for species to live

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What could happen if all of the sharks were gone from a marine ecosystem?

• the other fish species would also decline

• populations of other predators would increase rapidly

• populations of fish that were food for sharks would increase

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What is an ecosystem service?

• function of an ecosystem that benefits humans

• how energy moves through en ecosystem

• function of matter and energy moving through an ecosystem

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An event, such as storm, fire, flood, drought, overgrazing or human activity, that changes a community and alters resource availability

• biodiversity

• disturbance

• eutrophication

• natural resources

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