Ecosystem review

What determines the salt content in a salt marsh?

• Amount of rainfall

• Proximity to freshwater lakes

• Soil type in the area

• Closeness to the ocean

Which type of organism consumes both plants and animals?

• Decomposer

• Omnivore

• Herbivore

• Carnivore

What would likely happen if all plants in an ecosystem died?

• No change in the ecosystem

• Increase in decomposer population

• Decrease in consumer population

• Increase in consumer population

What role does corn play in a food chain?

• Carnivore

• Decomposer

• Producer

• Consumer

What could cause a decrease in the herbivore population?

• Decrease in omnivores

• Decrease in plant availability

• More sunlight availability

• Increase in carnivore population