4311 Test 3 Review

What is a community?

• An individual of a particular species

• The ecosystem in which an organism lives

• An association of interacting populations in a certain area

• A group of organisms of the same species

Tags

NGSS.MS-LS2-2

If a keystone species is lost, then the entire community changes, True or False?

• True

• False

Tags

NGSS.HS-LS2-2

NGSS.HS-LS2-6

NGSS.HS-LS4-5

Which of these organisms is considered a pioneer species?

• Shrubs

• Lichens

• Pine Tree

• Oak Tree

Which of these best describes the Inhibition Model of succession?

• Each stage of succession facilitates the existence of the next stage

• The species present at any time during succession are the result of chance

• Each stage of succession is more tolerant than the one before it

• Each stage of succession is less fit than the one before it

Tags

NGSS.HS-LS2-6

In the Shannon-Wiener diversity function, what does ( H' ) represent?

• Number of species in community

• Evenness of the community

• Proportion of total abundance

• Shannon-Wiener index

If the number of species in a community were to increase, what would happen to the species diversity?

• Increase

• Decrease

• Stay the same

Tags

NGSS.MS-LS2-5

A 10-fold decrease in area will result in....?

• A 50% reduction in the number of species

• A 100% increase in the number of species

• No change in number of species

• A decrease in the number of species, followed by a sharp increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of these is not considered an insular habitat?

• Island

• Cave

• Mountain Top

• Mainland Forest

Which of these is not a potential reason as to why species diversity is higher in the tropics?

• Tropic habitats are older, and more stable

• Tropics have a higher amount of potential habitats

• Tropics have lower levels of interspecific interactions between species

• Tropics have more resources available

Tags

NGSS.MS-LS2-5

A niche is the sum of all parameters that enable an organism to live in its biotic and abiotic environments, True or False?

• True

• False