Lesson: Comp Anatomy 2

Presentation

•

Science

•

8th Grade

•

Hard

•

NGSS

MS-LS4-2, MS-ESS1-1, MS-ESS2-5

+14

Standards-aligned

Katherine Cuffe

Used 5+ times

FREE Resource

11 Slides • 14 Questions

Labeling

Which organism do you think is a human?

Drag labels to their correct position on the image

Multiple Choice

How does studying embryonic development provide evidence for evolution?

A common ancestor provided the timing for development that all species share.

Similar development provides evidence for species to develop from different ancestors at the same time.

Embryonic development provides evidence that species share many common ancestors.

Multiple Choice

Which statement about vestigial structures is true?

Smaller today than in prehistoric times

Now perform two functions instead of one

Body parts that support evidence for a different ancestor

Multiple Choice

Which is an example of a vestigial structure?

Bat wing

Thyroid hormone gland

Whale pelvic bone

Insect and bird wings

Multiple Choice

Which did a common ancestor provide?

Similar timing and stages of development

Similar mutations at the same time

Body parts that are no longer useable

Multiple Choice

The ostrich is a large, flightless bird. Its wings, therefore represent evidence for...

Embryonic development

Homologous structures

Analogous structures

Vestigial structures

1/10 CA: Structures WS
or (B) CA: Structures WS
VESTIGIAL

Finished?
1/6 HW Quizlet Evolution #1
Study for Benchmark
High Scores = No Elective Tutoring

Multiple Choice

Embryos look the most similar across different species during the early stages of developement.

True

False

Multiple Choice

Homologous

Vestigial

Analogous

Multiple Choice

If species A and B have very similar genes and proteins, what is probably TRUE?

species A and B share a relatively recent common ancestor

species A evolved independently of species B for a long period

species A is younger than species B

species A is older than species B

Multiple Choice

Homologous

Vestigial

Analogous

Multiple Choice

Why is embryology evidence important?

It shows that we are people.

We can figure out why things evolved.

So that we know how things evolved.

It helps us understand that we are related to other creatures.

Multiple Choice

In the the third embryonic stage (bottom row), mammal embryos _____

have more characteristics in common with each other than with reptiles or birds.

are still hard to tell from reptiles and birds.

have the same features as fish, reptiles, and birds.

do not have tails.

Multiple Choice

An anatomical feature that no longer seams to have a purpose in the current form of an organism

Homologous structure

Analogous structure

Vestigial structure

None of the above

Multiple Choice

Embryos are used as evidence for_______.

mutations

artificial selection

evolution/common ancestry

embryos

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