M5 - 2 Ecology 1

What are keystone species?

• Species that indicate changes in an ecosystem

• Species that can live in a wide range of conditions

• Species that have significant effects on other species in an ecosystem

• Species that only live in certain areas

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What do indicator species tell us?

• About the ecosystem itself

• About the generalist species in the ecosystem

• About the native species in the ecosystem

• About the specialist species in the ecosystem

Which of the following is an example of a generalist species?

• Panda bears

• Spicebush swallowtail butterflies

• Rats

• Sycamore trees

What is a native species?

• An organism that has evolved with a particular ecosystem

• An organism that survives with human intervention

• An organism that is removed from its native ecosystem

• An organism that only lives in certain areas

What happens when an exotic species is introduced into a different ecosystem?

• The species survives with human intervention

• The species becomes incorporated into the new ecosystem

• The species finds itself in a situation with no natural enemies

• All of the above

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What is a habitat?

• An organism's job in the ecosystem

• An organism's address

• A set of interactions with the physical environment

• A set of interactions with other living things

What is interference competition?

• When one species outcompetes another due to a special adaptation

• When one species blocks access to resources to drive out another

• When one species produces chemicals to prevent other plants from growing

• When one species becomes the prey of another

What is allelopathy?

• When one species outcompetes another due to a special adaptation

• When one species blocks access to resources to drive out another

• When one species produces chemicals to prevent other plants from growing

• When one species becomes the prey of another

Tags

NGSS.MS-LS2-4

What is the interaction called when a parasite utilizes a host species for matter and energy resources?

• Predation

• Commensalism

• Parasitism

• Mutualism

Tags

NGSS.MS-LS2-4

Lichen are great examples of

• parasitism

• commensalism

• mutualism

Tags

NGSS.MS-LS2-2