How is a scientific theory different from a guess?

Theories are backed up by evidence; guesses are not

Theories are created by scientists; guesses are made by regular people

Theories are usually longer than guesses

"Theory" is simply a fancier word for "g

How did the ancestors of modern humans compare to early hominins that went extinct?

Our ancestors were better-adapted to their environment

Our ancestors were more violent

Which one of the following is the evolutionary trend that can been seen in hominin fossils associated with the jaw

increase size of cranium/ skull which is better for balance in bipedalism

reduction in the amount of teeth in the jaw

divergence of two or more species from an existing one

combining of tow species to form one with different traits

isolation that affects mating behaviors

timing of mating that prevents normal sexual selection

What happened to the hominid jaw and brain size over time?

The jaw size decreased while the brain size increased.

The jaw size decreased while the brain size decreased.

The jaw size increased while the brain size decreased.

The jaw size increased while the brain size increased.

What are trends that scientists have seen in hominid evolution?

Bipedalism, increasing brain size, and use of tools.

Smaller brain size, increasing jaw size, and broad forhead

Increasing body size, thick skulls, and large brow bone.

Decreasing brain size, large canines, and thick skulls.

Scientists have found evidence that about 2.4 million years ago a gene regulating jaw muscles mutated and may have led to the more graceful human jaw we see today. The diagram below shows the skulls of 3 hominid species. Question: Which statement below most closely explains the link between jaw size and hominid evolution?

The jaws of hominids evolved to be smaller and less protruding over time.

The jaws of hominids evolved to be larger and more protruding over time.

There appears to be no change in the jaws of hominids over time.

The jaws of hominids changed over time due to a change in brain size.

Question: Which characteristic of the skulls in figure 16-2 shows an increase in intelligence?

There appears to be an increased brain cavity size

There appears to be a decreased teeth size

There appears to be a trend towards smaller eye sockets

There appears to be a trend towards rounder jaw

Human Evolution

Quiz

•

Biology

•

10th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-LS4-1, HS-LS4-4, HS-LS4-2

+3

Standards-aligned

Diane Kaser

Used 203+ times

FREE Resource

22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The ability to walk upright on two legs is called:

bipedalism

quadropedalism

bicyclepedalism

tripedalism

Tags

NGSS.MS-LS4-2

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What is human evolution?

Long process of change by which primates became modern humans

Long process of change by which humans became modern primates

Long process of change by which hominids turn into humans

Long process of change by which humans became homo habilis

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What do we share in common with primates?

Common Ancestors

Humans evolved from monkeys

Tags

NGSS.HS-LS4-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the scientific name for modern humans?

Australophithecene

Homo ergaster (erectus)

Homo habilis

Homo sapiens

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Name the three main types of evidence that indicate the common ancestry of hominids.

evolved tools, Fossil evidence, genetic evidence

Fossil evidence, tool culture, caves

fossil evidence, genetic evidence, cultural evidence

Tags

NGSS.HS-LS4-1

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

What characteristic did early hominins share with modern humans?

Speech and language

The inability to live in groups

Small brains

Bipedalism

Tags

NGSS.MS-LS4-2

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

According to the theory of evolution, which of the following statements is true?

Humans evolved from chimpanzees.

Chimpanzees evolved from humans.

There is no evolutionary relationship between humans and chimpanzees

Humans and chimps evolved from a common ancestor.

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

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Human Evolution

22 questions

The ability to walk upright on two legs is called:

What is human evolution?

What do we share in common with primates?

What is the scientific name for modern humans?

Name the three main types of evidence that indicate the common ancestry of hominids.

What characteristic did early hominins share with modern humans?

According to the theory of evolution, which of the following statements is true?

How is a scientific theory different from a guess?

How did the ancestors of modern humans compare to early hominins that went extinct?

WHICH IS A SOURCE OF GENETIC VARIATION

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