IB Evolution Practice

Which of the following are HOMOLOGOUS structures?

• bee wings and bird wings

• legs on a beetle and legs on a cat

• whale flipper and bat wing

• human eyebrows and ant antenna

Tags

NGSS.MS-LS4-2

Which images illustrate ANALOGOUS structures?

• 1, 2

• 1, 3

• 2, 3

• 1, 2, 3

The cave fish and minnow are related to each other but the cave fish is blind and only has the remnants of an eye. What type of structure is this?

• homologous

• analogous

• vestigial

• convergent

Tags

NGSS.MS-LS4-2

All these organisms have similar arm bones. What is the reason for this?

• The function of these bones is the same in all animals

• They live in similar environments

• They have a common ancestor

• All organisms resemble humans

Tags

NGSS.MS-LS4-2

The hind leg bones in a whale are examples of....

• homologous structures

• analogous structures

• fossils

• vestigal structures

Tags

NGSS.MS-LS4-2

Giraffes have the same number of vertebrae in the neck as do humans. What line of evolutionary evidence is this?

• comparative anatomy

• comparative biochemistry (DNA)

• comparative embryology

• fossil evidence

Tags

NGSS.MS-LS4-2

The trees that peppered moths used to live on were once white, but became covered in soot from coal factories. Which moth will be more successful in this new environment?

• dark moth

• light moth

• both will be equally successful

• neither will be successful

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-4

What process is being shown in this image?

• Variation

• Natural Selection

• Selective Breeding

• Homeostasis

Tags

NGSS.MS-LS4-4

Which of following statements are true about the mouse population changing over time (2)?

• The light mice can reproduce more successfully than the dark mice

• The hawks eat more dark mice than light mice because the dark mice taste better

• The hawks eat more light mice than dark mice because they can see the light mice more easily

• The hawks eat more dark mice than light mice because they can see the dark mice more easily

• This difference in color is most likely due to a genetic mutation

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4

NGSS.MS-LS3-1

NGSS.MS-LS4-4

What did Darwin mean?

• Strong organisms can't survive

• He didn't believe in 'survival of the fittest'

• Organisms that have adapted to their environment are the most likely to survive

• Smart organisms are less likely to survive in harsh environments

Tags

NGSS.MS-LS4-4