Natural Selection, Evolution, Geologic Time, & Classification

The better fitness an organism has in its environment, the more it's population numbers will

• increase

• decrease

• stay the same

Tags

NGSS.MS-LS4-4

Biological fitness means an organism

• is the biggest and the strongest

• has a trait well adapted to it's environment

• has a trait well adapted to it's environment and passes on traits through reproduction

Tags

NGSS.MS-LS4-4

The more related two species are the __________ similar their DNA.

• More

• Less

• impossible to tell

Which of the following segments of DNA seem to have the most recent common ancestor to AAA AAT ACG GCA

• AAA AAT ATG AAA

• AAA AAT ACC CCA

• AAA AAT ACG CGA

• AAA AAT AAG AAA

Tags

NGSS.MS-LS4-2

Wisdom Teeth no longer have their original function in humans. What type of evolutionary structure is this?

• Homologous Structure

• Vestigial Structure

• Analogous Structure

Tags

NGSS.MS-LS4-2

Bat wings are very similar in bone structure to whale fins. What type of evolutionary structure is this?

• Homologous Structure

• Vestigial Structure

• Analogous Structure

Tags

NGSS.MS-LS4-2

Pangolins and anteaters do not have a recent common ancestor, but both have long, sticky tongues because they eat ants. What type of evolutionary structure is this?

• Homologous Structure

• Vestigial Structure

• Analogous Structure

Tags

NGSS.MS-LS4-2

Why do humans and horses have similar bone structures in their "arms" even though they don't have the same function?

• They are both animals.

• They have a common ancestor.

• That's the only way to make an arm.

• Random coincidence.

Tags

NGSS.MS-LS4-2

New traits (genetic variation) comes from

• Random Mutations

• The environment

• Adaptations

• Animals choosing new traits

Tags

NGSS.MS-LS3-1

In order for Evolution to happen you need

• Genetic Variation, Selective Pressure, and Inheritance

• Mutations, predators, inheritance

• Predators

• Selection

Tags

NGSS.MS-LS4-4