Biodiversity, Food Webs and Chains

Which of these organisms would receive energy from the snake?

• Plant
• Rabbit
• Mouse
• Hawk

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Which type of consumer eats plants only?

• Herbivores
• Omnivores
• Carnivores
• Scavengers

Which type of consumer eats meat only?

• Producers
• Herbivores
• Carnivores
• Omnivores

Which type of consumer eats meat and plants?

• Herbivores
• Carnivores
• Omnivores
• Plants

The roadrunner is a desert bird that eats fruits and seeds. It also eats insects, spiders, scorpions, and rattlesnakes.

What would likely happen if the roadrunner population disappeared from its ecosystem?

• There would be no more fruits or seeds.

• There would a decrease in spider populations.

• The rattlesnake population would stay the same.

• There would be an increase in scorpion populations.

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What is a food web?

• a web created by a spider to trap its food
• a network of food chains in an ecosystem
• a community of plants and animals
• the food that one animal eats

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How many predators eat the rabbit for energy in this food web?

• 2

• 3

• 4

• 5

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The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

An organism that breaks down dead plant and animal material into simple chemicals is called...

• omnivore

• decomposer

• herbivore

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Organisms that make their own food are called...

• producers

• herbivores

• omnivores

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