Question 1

Which body form of the cnidarians is sessile?

Accepted Answer

A)  Jelly 
B)  Fish 
C)  Medusa 
D)  Polyp 
A)  Jelly 
B)  Fish 
C)  Medusa 
D)  Polyp D

Question 2

Which of the following phyla is the most diverse and numerous?

Accepted Answer

A)  The chordates 
B)  The cnidarians 
C)  The echinoderms 
D)  The arthropods 
A)  The chordates 
B)  The cnidarians 
C)  The echinoderms 
D)  The arthropods D

Question 3

Which type of worm lacks a complete digestive tract?

Accepted Answer

A)  Flatworms 
B)  Annelids 
C)  Roundworms 
D)  All of the above 
A)  Flatworms 
B)  Annelids 
C)  Roundworms 
D)  All of the above A

Question 4

On which continent would you have seen the very earliest members of Homo sapiens?

Accepted Answer

A)  Europe 
B)  Asia 
C)  Africa 
D)  Australia 
A)  Europe 
B)  Asia 
C)  Africa 
D)  Australia

Question 5

Which arthropod subgroup includes the spiders?

Accepted Answer

A)  Arachnids 
B)  Crustaceans 
C)  Insects 
D)  None of these 
A)  Arachnids 
B)  Crustaceans 
C)  Insects 
D)  None of these

Question 6

Gastropods are the most numerous group of mollusks and include the ________.

Accepted Answer

A)  clams and oysters 
B)  snails and slugs 
C)  squid and octopi 
D)  scallops and nautiluses 
A)  clams and oysters 
B)  snails and slugs 
C)  squid and octopi 
D)  scallops and nautiluses

Question 7

If you traveled back in time and met a living hominin,which clues might tell you that your new friend was in the genus Australopithecus and not Homo?

Accepted Answer

A)  The hominin was bipedal. 
B)  You were in Africa. 
C)  The hominin had a relatively large brain. 
D)  You had traveled 3.5 million years into the past. 
A)  The hominin was bipedal. 
B)  You were in Africa. 
C)  The hominin had a relatively large brain. 
D)  You had traveled 3.5 million years into the past.

Question 8

Many,though not all,mollusks have a shell.What secretes the shell?

Accepted Answer

A)  The foot 
B)  The mantle 
C)  The radula 
D)  The visceral mass 
A)  The foot 
B)  The mantle 
C)  The radula 
D)  The visceral mass

Question 9

Which arthropod subgroup includes those with six legs?

Accepted Answer

A)  Arachnids 
B)  Crustaceans 
C)  Insects 
D)  All of the above 
A)  Arachnids 
B)  Crustaceans 
C)  Insects 
D)  All of the above

Question 10

Most chordates are ________.

Accepted Answer

A)  invertebrates 
B)  vertebrates 
C)  insects 
D)  None of the above 
A)  invertebrates 
B)  vertebrates 
C)  insects 
D)  None of the above

Question 11

Roundworms are more closely related to arthropods than to flatworms.

Accepted Answer

A) True 
 B)False

Question 12

Which group of fishes gave rise to the amphibians?

Accepted Answer

A)  Ray-finned fishes 
B)  Lobe-finned fishes 
C)  Cartilaginous fishes 
D)  Jawless fishes 
A)  Ray-finned fishes 
B)  Lobe-finned fishes 
C)  Cartilaginous fishes 
D)  Jawless fishes

Question 13

What is the function of a fish's operculum?

Accepted Answer

A)  Detects biofields in the immediate vicinity 
B)  Detects movements in the surrounding water 
C)  Protects the gills 
D)  Provides buoyancy 
A)  Detects biofields in the immediate vicinity 
B)  Detects movements in the surrounding water 
C)  Protects the gills 
D)  Provides buoyancy

Question 14

The radial symmetry of adult echinoderms could best be described as ________.

Accepted Answer

A)  biradial 
B)  bilateral 
C)  fourfold symmetrical 
D)  fivefold symmetrical 
A)  biradial 
B)  bilateral 
C)  fourfold symmetrical 
D)  fivefold symmetrical

Question 15

Sponges are found ________.

Accepted Answer

A)  only in seawater 
B)  mostly in seawater 
C)  only in fresh water 
D)  mostly in fresh water 
A)  only in seawater 
B)  mostly in seawater 
C)  only in fresh water 
D)  mostly in fresh water

Question 16

Flatworms are most closely related to the ________.

Accepted Answer

A)  cnidarians 
B)  annelids 
C)  echinoderms 
D)  arthropods 
A)  cnidarians 
B)  annelids 
C)  echinoderms 
D)  arthropods

Question 17

Most animals fall into one of how many phyla?

Accepted Answer

A)  100 
B)  35 
C)  9 
D)  5 
A)  100 
B)  35 
C)  9 
D)  5

Question 18

What do sponges and cnidarians have in common?

Accepted Answer

A)  Organization of cells into tissues 
B)  Mobility 
C)  Symmetry 
D)  None of the above 
A)  Organization of cells into tissues 
B)  Mobility 
C)  Symmetry 
D)  None of the above

Question 19

What characterizes terrestrial tetrapods?

Accepted Answer

A)  Lives on land, has four limbs 
B)  Lives on land, has four sets of chromosomes 
C)  Lives on land, has four cranial nerves 
D)  Lives in the water, has four limbs 
A)  Lives on land, has four limbs 
B)  Lives on land, has four sets of chromosomes 
C)  Lives on land, has four cranial nerves 
D)  Lives in the water, has four limbs

Question 20

Which one of the following is a defining characteristic of animals but not of plants?

Accepted Answer

A)  Autotrophic 
B)  Heterotrophic 
C)  Eukaryotic 
D)  Prokaryotic 
A)  Autotrophic 
B)  Heterotrophic 
C)  Eukaryotic 
D)  Prokaryotic

Which body form of the cnidarians is sessile?

Which of the following phyla is the most diverse and numerous?

Which type of worm lacks a complete digestive tract?

On which continent would you have seen the very earliest members of Homo sapiens?

Which arthropod subgroup includes the spiders?

Gastropods are the most numerous group of mollusks and include the ________.

If you traveled back in time and met a living hominin,which clues might tell you that your new friend was in the genus Australopithecus and not Homo?

Many,though not all,mollusks have a shell.What secretes the shell?

Which arthropod subgroup includes those with six legs?

Most chordates are ________.

Roundworms are more closely related to arthropods than to flatworms.

Which group of fishes gave rise to the amphibians?

What is the function of a fish's operculum?

The radial symmetry of adult echinoderms could best be described as ________.

Sponges are found ________.

Flatworms are most closely related to the ________.

Most animals fall into one of how many phyla?

What do sponges and cnidarians have in common?

What characterizes terrestrial tetrapods?

Which one of the following is a defining characteristic of animals but not of plants?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

Dna: the Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Human Body Systems

Ecology

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Exam 10: Biodiversity 3: Animals

Which body form of the cnidarians is sessile?

Which of the following phyla is the most diverse and numerous?

Which type of worm lacks a complete digestive tract?

On which continent would you have seen the very earliest members of Homo sapiens?

Which arthropod subgroup includes the spiders?

Gastropods are the most numerous group of mollusks and include the ________.

If you traveled back in time and met a living hominin,which clues might tell you that your new friend was in the genus Australopithecus and not Homo?

Many,though not all,mollusks have a shell.What secretes the shell?

Which arthropod subgroup includes those with six legs?

Most chordates are ________.

Roundworms are more closely related to arthropods than to flatworms.

Which group of fishes gave rise to the amphibians?

What is the function of a fish's operculum?

The radial symmetry of adult echinoderms could best be described as ________.

Sponges are found ________.

Flatworms are most closely related to the ________.

Most animals fall into one of how many phyla?

What do sponges and cnidarians have in common?

What characterizes terrestrial tetrapods?

Which one of the following is a defining characteristic of animals but not of plants?

An Introduction to the Science of Life

The Chemistry of Life

The Cell: The Fundamental Unit of Life

Energy and Life

Chromosomes and Inheritance

Dna: the Molecule of Life

Darwinian Evolution

Biodiversity 1: Microscopic Organisms

Biodiversity 2: Fungi and Plants

Human Body Systems

Ecology

Filters