Biosphere Unit Review

Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?

• individual
• population
• species
• fossil

Tags

NGSS.MS-LS4-4

The difference in the physical traits of an individual from those of other individuals in a group is called a(n)

• change
• adaption
• species
• variation

Tags

NGSS.MS-LS4-4

what did Charles Darwin observe in finch populations of the Galapagos Islands off the coast of South America?

• different species on different islands
• all species on one of the islands
• identical species on all the islands
• the same species as North America

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

In natural selection, the selective agent is the

• humans
• mutations
• breeders
• environment

Tags

NGSS.HS-LS4-4

NGSS.HS-LS4-5

a bird that can easily outcompete other birds for food and that can produce many eggs has a high

• life expectancy
• mutation rate
• fitness
• adaptability

Tags

NGSS.MS-LS1-4

NGSS.MS-LS4-4

Which of the following describes natural selection?

• it acts on genetic material directly

• it acts on existing physical traits

• it forms new traits

• it forms new genetic material

Tags

NGSS.MS-LS4-4

which of the following is an example of a vestigial structure?

• the wings of a red-tailed hawk
• the hind limbs of a house cat
• the fins of sharks
• the wings of an ostrich

What is suggested by the anatomical similarity of different species of vertebrates?

• no evolutionary relationships between the groups

• recent common ancestry

• similar environments in the past

• evolution from a distant common ancestor

Tags

NGSS.MS-LS4-2

Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as

• vestigial structures
• analogous structures
• homologous structures
• fossil structures

Tags

NGSS.MS-LS4-2

If an organism has a vestigial structure, that structure likely once had a function in a(n)

• close relative
• early ancestor
• unrelated organism
• embryological stage