Natural Selection

What type of rock do fossils form in?

• Igneous
• Metamorphic
• Sedimentary
• Classic

Tags

NGSS.MS-LS4-1

____ are remains of life from an earlier time.

• Sedimentary Rocks
• Variations
• Fossils
• Limestone

Tags

NGSS.MS-LS4-1

How old do Paleontologists believe the Earth is?

• 2017 years old
• 4.6 billion years old
• 3.6 billion years old
• 4.6 million years old

When the members of two populations cannot interbreed and produce fertile offspring.

• Reproductive Isolation
• Disruptive Isolation
• Directional Isolation
• Stabilizing Isolation

Tags

NGSS.MS-LS1-4

Two populations are separated by geographical barriers such as rivers or mountains

• Reproductive Isolation
• Geographic Isolation
• Behavioral Isolation
• Temporal Isolation

When populations are capable of breeding but have differences in reproductive behaviors

• Reproductive Isolation
• Behavioral Isolation
• Temporal Isolation
• Geographic Isolation

An organism's appearance or other observable characteristics:

• phenotype
• recessive
• genotype
• dominant

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

An organism's genetic make-up:

• phenotype
• recessive
• genotype
• dominant

An extreme phenotype is favored causing the alleles to shift toward that phenotype

• Disruptive Selection
• Directional  Selection
• Stabilizing Selection
• Artificial Selection

Tags

NGSS.MS-LS4-4

NGSS.MS-LS4-6

Genetic diversity decreases and individuals at the center of the curve have higher fitness.

• Disruptive Selection
• Directional  Selection
• Stabilizing Selection
• Artificial Selection

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4