Scientists tested a bat, a dog, a snake, and a human to see how their amino acids differed in a specific protein. This is a form of ...

Evidence from molecular biology

Evidence from vestigial structures

Which of the following is a fossil?

a trace of an organisms that existed in the past

a group of organisms that can reproduce

a structure or organ that no longer functions

Why don’t we have a complete fossil record of all life that’s ever lived?

Fossil formation requires a rare mix of physical and biological conditions.

Fossils must be exposed at Earth’s surface to have a chance of being found.

Fossils can be destroyed when rocks erode, melt, or change composition.

A group of organisms that can mate with each other and produce fertile offspring.

A group of organisms that genetically are very different from each other.

A group of organisms that can mate and produce offspring even if those offspring are infertile.

Indivual organisms that live in the same environment.

Which of the following conclusions is best supported by the cladogram above?

Species S is more closely related to species T than to species R.

Species P and Q are equally related to species T.

Species P and T do not share a common ancestor.

Species S evolved from species R.

Kangaroos and opossums both incubate their immature in pouches. This means they -

have similar skeleltal structures

What is likely to cause 1 species to split into 2?

One population moves to a different habitat and begins to adapt to it.

Each population wants to become their own species.

What could allow members of a population of insects to survive being sprayed with pesticide?

Some individuals vary, and may have a natural resistance to the pesticide

Each individual is pretty strong

If 2 species of fossils are found in the same rock layer:

The likely lived during the same period.

They likely were already fossilized when the second species died.

Sometimes the rocks are stuff and things.

Weeds are treated with a herbicide, and killed. Within a few decades, it is observed that the weeds take a much larger dose of herbicide before they die. Which is a likely explanation?

The weeds are descended from those individuals that had a resistance to the herbicide, and now make up most of the population.

The weeds absorb the herbicide and become immune.

The weeds are becoming less resistant to herbicides.

The pesticide killed all the insects, which makes the plants live longer.

How are fossils evidence of evolution?

They show that ancient species shared some characteristics with modern species.

They show that animals haven't changed

Common ancestry relates to evolution because

the more two organisms have in common, the more recent is their common ancestor during their evolution.

evolution only happens when there are common ancestors.

Common ancestors make evolution happen more quickly.

evolution can never take place with common ancestors.

In stage one (top row) of these embryos, most of the embryos________

show different stages of development.

have only a tail if they are non-human.

In stage 2 (middle row) fish embryos _________

are very different bird and mammal embryos.

are still very similar to bird and mammal embryos.

are the only embryos with tails.

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.

When would convergent evolution occur?

When organisms live in similar environments

When organisms share a common ancestor

When organisms become increasingly different

When organisms experience a change in their environment

What is suggested by the similarity of early embryos of different species of vertebrates?

evolution from a distant common ancestor

no evolutionary relationships between the groups

similar environments in the past

Evidence for Evolution

Authored by Alison Tiangson

Biology

9th - 10th Grade

NGSS covered

Used 23+ times

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55 questions

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MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The forelimbs of penguin, alligator, bat, human are which of the following?

homologous structures

vestigial structures

Tags

NGSS.HS-LS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If an organism has a vestigial structure, that structure likely once had a function in a(n)

close relative

early ancestor

unrelated organism

embryological stage

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How would you describe this evolution?

Homologous structure

Analogous structure

Vestigial structure

Tags

NGSS.HS-LS4-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which best describes these fossils?

The oldest fossils can be found on the lower layers

The oldest fossils can be found at the top layers

The youngest fossils are always found on the bottom layers

You can not tell the age of any of these fossils

Tags

NGSS.HS-ESS1-5

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean?

This is purely by chance and isn't significant

The extinct dinosaur and modern bird share a common ancestor

All dinosaurs evolved into birds and that's why there aren't any dinosaurs alive today

Dinosaurs choose to fly, and evolved into birds to escape predation and capture food

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Whales are aquatic mammals that contain a pelvis bone. Even though it does not aid in its movement, the function must have been used by a common ancestor of the whale. Thus, the pelvis is referred to as a(n)

vestigial structure

analogous structure

homologous structure

Tags

NGSS.HS-LS4-1

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

Tags

NGSS.HS-LS4-1

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Evidence for Evolution

The forelimbs of penguin, alligator, bat, human are which of the following?

If an organism has a vestigial structure, that structure likely once had a function in a(n)

How would you describe this evolution?

Which best describes these fossils?

A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean?

Whales are aquatic mammals that contain a pelvis bone. Even though it does not aid in its movement, the function must have been used by a common ancestor of the whale. Thus, the pelvis is referred to as a(n)

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

Structures that are similar in form (structures) with different functions such as the wings of a bat and the arms of humans.

The process by which populations slowly change over time is called

If I wanted to look at DNA to study evolution, I am using what evidence?

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