What is a difference between a rodent and a shark?

Sharks have something in common with primates, but rodents do not.

Sharks are more closely related to primates than rodents.

What is common ancestry?

When organisms are descended from a single ancestor

The mineralized remains of organisms and the rock layers in which they are found, showing when and where long-dead organisms lived and how their bodies were structured

The study of the structure of animals or plants and their parts

The bones of the forelimbs (wing or arm) of three animals are shown in the illustration. What is the most reasonable conclusion that can be drawn from a comparison of these structures?

Humans and bats share a closer evolutionary history with each other than with birds.

Birds and bats are closely related to each other while humans are unrelated to both

The common ancestor of birds and bats must have had wings and flown.

Humans live in habitats very different from the habitats of both birds and bats.

The diagram provided here is a phylogenetic tree. It shows how groups of organisms are related through a shared evolutionary history. Which of the following provides the best evidence that can be used to create this diagram?

Similarities and differences in body structures

The habitats in which the animals live

Competition between organisms for resources

Observations of interactions in the wild

Whales, which live in the water, have hips. These structures are important for carrying the weight of animals that walk on land. Finding this body part in animals that don’t walk on land is best explained how?

Whales share a common ancestor with animals that walk on land.

Whales have evolved this structure because it might be useful in the future.

Whales are able to interbreed with other animals that have hips.

Whales have a diet that includes other animals that have this structure.

The table shows characteristics of the structures of several related groups of plants. All of these plant types are related in their evolutionary history to a common ancestor that had what characteristic?

A transport system made of xylem and phloem

Evolutionary Relationships

Authored by Carl Bishop

Science

8th Grade

NGSS covered

Used 51+ times

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28 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

In a cladogram, when does a group of organisms branch off?

when a new trait evolves

when an ancestor becomes extinct

when it is discovered

hen it becomes large enough

Tags

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sophie says dolphins and sharks look very similar, so they must be related. Jake disagrees, saying DNA evidence has shown that dolphins and other aquatic mammals are actually more closely related to the ancestors of modern hippos. Who is correct using the modern system of classification?

Sophie is correct because dolphins look more like sharks than like hippos.

Jake is correct because classification is based on evolutionary relationships.

Both are correct because traditional and modern classifications can overlap.

Neither is correct because neither is taking into account both the traditional and modern systems

Tags

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

According to the cladogram, which organisms are in the smallest clade with birds?

crocodiles

primates

rodents and rabbits

sharks

Tags

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Consider the cladogram. Which is the best description of the two organisms highlighted in pink?

They are separated by two nodes.

They share a recent common ancestor.

They belong to the same species.

They are ancestors of each other.

Tags

NGSS.MS-LS4-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Scientists classify animals by their...

Color

Size

Characteristics

Sound

Tags

NGSS.3-LS3-1

NGSS.3-LS4-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The scientific name for an organism is made from the:

class and family name

genus and species name

domain and kingdom name

kingdom and phylum name

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The sequence of heritable changes that occurred among species since the origin of life on Earth

Diversity

Fossil record

Evolutionary history

Anatomy

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

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Evolutionary Relationships

In a cladogram, when does a group of organisms branch off?

Sophie says dolphins and sharks look very similar, so they must be related. Jake disagrees, saying DNA evidence has shown that dolphins and other aquatic mammals are actually more closely related to the ancestors of modern hippos. Who is correct using the modern system of classification?

According to the cladogram, which organisms are in the smallest clade with birds?

Consider the cladogram. Which is the best description of the two organisms highlighted in pink?

Scientists classify animals by their...

The scientific name for an organism is made from the:

The sequence of heritable changes that occurred among species since the origin of life on Earth

What is a difference between a rodent and a shark?

What do pigeons have in common with lizards?

A homology is something that is similar in all of the following EXCEPT –

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