BrainPOP: Food Chains

How are the living creatures in an ecosystem linked?

• by what they eat
• by how they breathe
• by their size
• by their species

What can you  INFER from the fact that the disappearance of just one species can disrupt an entire food chain?

• Every food chain depends entirely on a single species
• Food chains are extremely fragile
• Food chains can regenerate on their own
• Food chains would not exist without humans

How is a food web different from a food chain?

• Food webs contain only producers, not consumers
• Food webs do not include decomposers
• Food webs contain many different, linked food chains
• Food webs exist in aquatic environments; food chains exist in terrestrial (land-based) environments

Which of these is a producer?

• a
• b
• c
• d

Through what process do producers make their own food?

• Parthenogensis
• Photosynthesis
• Meiosis
• Mitosis

What role do you play in the food web?

• producer
• consumer
• decomposer
• human

How might a lack of sunlight disrupt the food web?

• It would cause consumers to consume less
• It would prevent decomposers from decomposing matter
• It would prevent producers from producing nutrients
• It would not disrupt the food web at all

How are primary consumers (PC) different from secondary consumers (SC)?

• PC eat only plants; SC eat other consumers
• PC eat other consumers; SC eat only plants
• PC eat plants and other consumers; SC eat plants and decompose matter
• PC eat plants and decompose matter; SC eat plants and other consumers

This organism is most likely a:

• primary consumer
• secondary consumer
• decomposer
• producer

Sheep are herbivorous. What can you INFER from this?

• They are primary consumers
• They are producers
• They are secondary consumers
• They are decomposers