The opossum and kangaroo both incubate their young in a pouch. This provides evidence that they---

are descended from a common ancestor

Have very similar skeletal structures

must range great distances to eat

Which is not evidence for evolution?

All of these are evidence for evolution

many animals have homologous structures due to common ancestry

Many animals have vestigial structures from an ancestor

We can observe changes in life forms by observing the fossil record

Similarities in bone arrangements, like those in the picture, support the hypothesis that...

these organisms share a common ancestor

these organisms are not well adapted

these organisms all share the same DNA sequences

these organisms are members of the same species

ability to survive cold weather

Why are advantageous traits more likely to be passed onto offspring?

Because they are more likely to survive and reproduce.

Because they come from dominant alleles.

Because they come from recessive alleles.

Because the organism knew it needed that trait, survives, and passes it on.

The extreme population phenotypes are favored by the environment.

Disruptional (Diversifying) Selection

a group of the same species in the same geographic area.

a group of similar species in different areas

a group of several species in the same geographic area

a group of several species along with their abiotic factors in a small area.

review 2

Authored by Courtney Bingham

Science

9th Grade

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40 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Structures that are similar to function.

Homologous

Analogous

Vestigial

DNA

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Structures are similar in appearance but not in structure

Vestigial

Homologous

Analogous Structures

Embryonic

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Studying the similarities in organisms development

DNA

Embryonic

Vestigial

Homologous

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The survival of the fittest

Natural selction

Evolution

Mimic

Camouflage

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The blending of an organism in an enviornment

Natural selection

Evolution

Mimicry

Camouflage

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The changes of species over time

Embryonic

Natural selection

Mimicry

Evolution

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which layer is the youngest

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review 2

Structures that are similar to function.

Structures are similar in appearance but not in structure

Studying the similarities in organisms development

The survival of the fittest

The blending of an organism in an enviornment

The changes of species over time

Which layer is the youngest

Which layer is the oldest

Similar structures with different purposes found in different species are known as _____

The picture shows a/an ___________

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Popular Resources on Wayground

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