Evidence of Evolution: Body Parts

In biology, EVOLUTION means...

• a population of platypus tickling a rhinoceros

• a organism staying the same

• a change in a organism during its lifetime

• a change in the traits of a population across generations of a species

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NGSS.MS-LS4-2

NGSS.MS-LS4-4

In biology, NATURAL SELECTION is

• organisms that are stronger will hunt and eat other animals

• organisms with more primitive adaptations tend to survive

• when you select a new pet, like a cat or dog

• organisms with better adaptations to their environment tend to survive and produce more offspring

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NGSS.MS-LS4-4

An ADAPTATION can be defined as

• when an animal hunts its prey

• something that a living thing

  HAS or DOES to help it survive

  in its habitat

• having an unusual number of genes

• a place where organisms survive

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NGSS.MS-LS4-2

NGSS.MS-LS4-4

An extinct species is an group of organisms that is

• alive and thriving

• no longer alive anywhere

• evolving into something else

• smarter than other organisms

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NGSS.MS-LS4-1

What

type

of structure?

• Homologous

• Analogous

• Embryological

• Vestigial

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NGSS.MS-LS4-2

What

type

of structure?

• Homologous

• Analogous

• Embryological

• Vestigial

Tags

NGSS.MS-LS4-2

What

type

of structure?

• Homologous

• Analogous

• Embryological

• Vestigial

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Structures that are inherited from a common ancestor are homologous.

• True
• False

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NGSS.MS-LS4-2

Humans, birds, whales, and lizards all 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

Bat wing, human arm

• Homologous
• Analogous
• Vestigial

Tags

NGSS.MS-LS4-2