Energy Flow in Ecosystems

What food chain correctly describes the flow of energy in an ecosystem?

• cow -> grass -> human

• leafs -> caterpillars -> spiders

• humans -> water -> rain

• monkeys -> tigers -> flowers

A caterpillar is an example of a primary consumer

• True
• False

Select all of the animals that are carnivores.

• Lion

• Rabbit

• Butterfly

• Wolf

What happens to energy as it goes up the food chain?

• It decreases

• It increases

• It remains the same

• Whats a food chain?

The Sun is not important to an ecosystem

• True
• False

A producer is the first link in food chains

• True
• False

What is an ecosystem?

• An ecosystem is a community of living organisms and their physical environment interacting as a system.
• A group of unrelated animals in a zoo.
• A collection of plants in a garden.
• Animals that live in the same area but don't interact with each other

What is the role of a decomposer in the food chain?

• Decomposers produce energy for the food chain.
• Decomposers are primary consumers in the food chain.
• Decomposers are responsible for photosynthesis in plants.
• Decomposers recycle nutrients in the food chain.

What do plants fight for in an ecosystem?

• Protection from herbivores
• Food sources like fruits and seeds
• Resources such as sunlight, water, nutrients, and space.
• Pollination by insects

What are the main levels or links of a food chain?

• Herbivores, Carnivores, Omnivores
• Photosynthesis, Respiration, Decomposition
• Predators, Scavengers, Decomposers
• Producers, Primary Consumers, Secondary Consumers, Tertiary Consumers