Ecosystems and Food Webs Review

What are CONSUMERS in an ecosystem?

• Organisms that produce their own food through photosynthesis.

• Organisms that get their energy by eating other organisms.

• Organisms that decompose dead matter and recycle nutrients.

• Organisms that live in symbiotic relationships with producers.

What is a FOOD WEB?

• A simple linear sequence of organisms that eat each other.

• A complex network of interconnected food chains in an ecosystem.

• A type of food chain that only includes plants.

• A diagram that shows the energy flow in a single species.

What is an example of a decomposer?

• Mushrooms

• Rabbits

• Oak Trees

• Goldfish

How do CONSUMERS get energy?

• By photosynthesis.

• By eating other organisms.

• By absorbing sunlight directly.

• By converting inorganic substances.

What is a PRODUCER in an ecosystem?

• Organisms that consume other organisms for energy.

• Organisms that make their own food, usually through photosynthesis, like plants.

• Organisms that decompose dead matter and recycle nutrients.

• Organisms that rely on external sources for food and energy.

What does the arrow in a food chain represent?

• Energy Flow

• Nutrient Cycling

• Population Density

• Habitat Size

What do herbivores eat?

• Meat

• Plants

• Insects

• Fungi

What role do decomposers play in an ecosystem?

• Decomposers break down dead organisms and recycle nutrients back into the soil.

• Decomposers produce energy through photosynthesis.

• Decomposers are primary producers in the food chain.

• Decomposers help in the growth of plants by providing sunlight.

What do carnivores eat?

• Carnivores eat plants.

• Carnivores eat other animals.

• Carnivores eat fruits.

• Carnivores eat fungi.

Which organisms are at the top of a food chain?

• Herbivores, such as deer and rabbits.

• Top predators, such as wolves and mountain lions.

• Producers, such as plants and algae.

• Omnivores, such as bears and humans.