Energy Cycle

Energy Cycle

Symbiosis

Community Interrelationships

Multiple Choice

What is symbiosis?

• the relationship between plants and the sun

• the relationship between animals and their habitat

• the relationship between two organisms in a community

• the relationship between precipitation and animals in an ecosystem

Multiple Choice

A tapeworm lives inside an animal and eats the food that the animal digests. What type of symbiosis is this?

• commensalism

• succession

• mutualism

• parasitism

Multiple Choice

How are commensalism and mutualism alike?

• Neither of them is harmful to the plants and animals involved.

• They both have hosts.

• They only occur between two animals.

• They only occur between a plant and an animal.

Multiple Choice

Which of the following is an example of commensalism?

• Egyptian plovers and crocodiles

• flowers growing up a tree

• fleas on a dog

• bees and flowers

Multiple Choice

Which type of symbiosis is beneficial for both organisms?

• commensalism

• mutualism

• extinction

• parasitism

Multiple Choice

Who is the host in parasitism?

• the organism that benefits from the relationship

• the organism that is not part of the relationship

• the organism that is not affected by the relationship

• the organism that is harmed in the relationship

Multiple Choice

An insect pollinating a flower is what type of symbiosis?

• food web

• parasitism

• mutualism

• commensalism

Multiple Choice

An example of predation is a hawk catching and eating a snake. Which statement is true?

• the snake is the predator, the hawk is the prey

• both the hawk and snake would be predators

• both the hawk and snake would be prey

• the hawk is the predator; the snake is the prey

Food Chains

Multiple Choice

What are plants and animals that get their energy from eating other things?

• producers

• consumers

• decomposers

• herbivores

Multiple Choice

Which of the following shows the proper order of a food chain?

• producers --> carnivores --> decomposers --> herbivores

• herbivores --> decomposers --> producers --> carnivores

• producers --> carnivores --> herbivores --> decomposers

• producers --> herbivores --> carnivores --> decomposers

Multiple Choice

What is the difference between a second-level consumer and a third-level consumer?

• Third-level consumers eat other carnivores, and second level consumers do not.

• Second-level consumers only eat plants, and third-level consumers eat plants and animals.

• Second-level consumers eat meat, while third-level consumers eat plants.

• Third-level consumers produce their own food, and second-level consumers must find their food in nature.

Multiple Choice

Which part of the food chain only eats meat?

• an herbivore

• a producer

• a carnivore

• a decomposer

Multiple Choice

How do consumers get energy?

• by adapting to their environment

• by moving around

• by sleeping

• by eating

Multiple Choice

What happens if a portion of the food chain is broken?

• Only consumers would be affected.

• All organisms in the food chain would be affected.

• The decomposers and producers are affected.

• Second-level consumers would cease to exist.

Multiple Choice

An elephant eats only plants. Which type of consumer is an elephant?

• herbivore

• carnivore

• second-level consumer

• third-level consumer

Food Webs

Multiple Choice

Which of the following do omnivores eat?

• plants only

• plants and meat

• meat only

• they make their own food

Multiple Choice

What is a food web?

• a community of animals and plants that interact with their environment

• a web created by a spider to trap its food

• a complex network of food chains in an ecosystem

• one line of different levels of consumers in an ecosystem

Multiple Choice

Which is a characteristic of animals that are in the same food web?

• They are in the same ecosystem.

• They only eat plants.

• They only eat meat.

• They are all decomposers.

Multiple Choice

In a food web, which of these is a producer?

• humans

• lizards

• spiders

• grass

Multiple Choice

A cricket only eats plants. What would a cricket be classified as on a food web?

• an omnivore

• a carnivore

• an herbivore

• a producer

Multiple Choice

A spider eats insects, like flies and crickets. What type of consumer is a spider?

• an herbivore

• a carnivore

• an omnivore

• a decomposer

Multiple Choice

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

• It eats animals.

• It produces its own food and provides other organisms with food.

• It eats plants.

• It breaks down dead plants and animals into minerals.

Multiple Choice

What happens if a portion of the food chain is broken?

• Only consumers would be affected.

• All organisms in the food chain would be affected.

• The decomposers and producers are affected.

• Second-level consumers would cease to exist.