LS2.1 Ecological Relationships

Which of the following organisms produces energy for the ecosystem?

• Bilberry

• Arctic Fox

• Earthworm

• Rough-legged Hawk

Which of the following organisms is not consumed by the Earthworm?

• Arctic Fox

• Snowy Owl

• Grizzly Bear

• Rough-legged Hawk

The group of organisms that makes energy from the sun are called...

• Consumers

• Decomposers

• Producers

• Predators

In relation to the Snowy Owl, the Short-Tailed Weasel is...

• a predator

• a decomposer

• a friend

• prey

What type of relationship is formed between two species where one organism hunts and one is consumed?

• Predator-Prey

• Producer-Consumer

• Consumer-Decomposer

• Not related

The collection of all living and non-living factors in a given area at a given time is called

• a party

• an ecosystem

• a community

• a species

In an ecosystem, there are biotic and abiotic factors. What do biotic and abiotic mean, respectively?

• nonliving ; living

• mammal ; reptile

• real ; fake

• living ; nonliving

This chart represents what kind of relationships?

• Competition

• Mutualism

• Predator-Prey

• Predator-Producer

Members in an ecosystem are ___________, meaning that a change in one organism's population can indirectly effect another organism's population.

• Independent

• Interdependent

• Reliable

• Accountable

Using the image, how would an increase in Brown Lemming population affect the Grizzly Bear?

• Grizzly increase

• Grizzly decrease

• Grizzly stay the same

• Population not affected