Biodiversity and Evolution

Which refers to species of organisms whose population is so low that it has a great tendency to become extinct?

• Endangered

• Endemic

• Exotic

• Threatened

Which one of the following expresses the index of diversity in a mathematical way?

• The vastness or area of an ecosystem

• The species distribution in a community

• The distance between two different ecosystems

• The population of a given species per unit area

Tags

NGSS.MS-LS2-5

Which pertains to organisms that no longer exist at the present time, but have existed in the past?

• Exotic

• Extinct

• Endemic

• Endangered

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which of the following causes of extinction is directly brought about by human activity?

• Glaciation

• Overharvesting

• Cosmic radiation

• Volcanic eruption

Tags

NGSS.MS-ESS3-4

Match the following terms with their definition.

• the total # of different species

• Species Evenness

• the relative abundance of species

• Species Dominance

• the most abundant species

• Species Richness

Tags

NGSS.MS-LS2-5

A Simpson's Diversity Index of 1 is ​ ​ (a)   ​

• low

• high

Tags

NGSS.MS-LS2-5

Which is NOT a common reason for a species to go extinct?

• Random mutation in DNA

• Habitat loss and destruction

• New disease is introduced to a population.

• New predators moving into or introduced into an area.

Tags

NGSS.MS-LS4-1

Which category of land use is increasing most rapidly that contributes plant and animal extinction?

• urbanization

• wildlife habitat destruction

• loss of agriculture lands

• increased amount of pollution

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

What type of evidence when there is a similar appendages

• Embryology

• vestigial

• homologous

• genetics

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Geographic isolation is _____

• a part of allopatric speciation

• a part of sympatric speciation

• required for species recognition

• all of these are correct

Tags

NGSS.HS-LS4-4