Ecology Unit Review

Which best describes what a food chain shows you?

• Energy flow through an ecosystem

• Food flowing through an ecosystem

• Consumers going into other consumers

• Who eats who

Where does the energy start in this food chain?

• Plant

• Sun

• Deer

• Wolf

What is the role of a producer?

• Use sunlight to make food

• Gain energy from eating other organisms

• Keep other species from overpopulating

• Breaking down dead stuff

What is the role of decomposers in a food chain?

• Use sunlight to make food

• Eat other organisms to gain energy

• Make the food for the whole food chain

• Break down dead organisms and add nutrients to the soil

Which of these organisms would receive energy from the snake?

• Plant

• Rabbit

• Mouse

• Hawk

Which type of consumer eats plants only?

• Herbivores

• Omnivores

• Carnivores

• Scavengers

Which type of consumer eats meat only?

• Producers

• Herbivores

• Carnivores

• Omnivores

Which types of consumer eats meat and plants?

• Herbivores

• Carnivores

• Omnivores

• Plants

Observe the food chain above. Which organism's population would increase if finches were removed from the ecosystem?

• Grass

• Grasshopper

• Snake

• Hawk

In this food chain, where does the lizard get its energy from?

• Plant

• Grasshopper

• Mushrooms

• Sun