Intro to Evolution

Chance events like a violent storm that remove individuals from their gene pool are called

• gene flow

• genetic drift

• natural selection

• mutation

True or False: Natural Selection acts on the phenotypes (traits) the organisms possess.

• False

• True

What were the first organisms on Earth?

• Eukaryotes

• Prokaryotes, or bacteria

• Plants

• Animals

What is required for evolution?

• overproduction (too many organisms)
• competition
• variation
• all of these

Tags

NGSS.HS-LS4-2

The more genetic variation a population has,

the more likely it is for some individuals to

• evolve

• migrate

• survive and go on to reproduce

• mutate

Genetic variation can arise from a random change in the DNA of a gene.  The change is called a(n)

• mutation
• gene flow
• gene pool
• allele

Tags

NGSS.MS-LS3-1

What increases genetic variation when animals move  from one population to another

• genetic drift
• sexual selection
• bottleneck effect
• gene flow

Tags

NGSS.MS-LS2-2

What kind of adaptation occurs when two populations of birds have different courtship dances?

• geographic

• physical/morphological

• temporal

• reproductive and behavioral

asexual reproduction produces offspring with

• half of a single parent's genes
• the same genes as the parent
• a mix of genes from two parents
• lots of genetic variation

Tags

NGSS.MS-LS3-2

What is the term for a feature that allows an organism to survive better in its environment?

• variation

• adaptation

• homologous structure

• vestigial structure