Question 1

Lower back pain is common in humans because of ____.

Accepted Answer

A) over-curvature of the spine 
B) sidewalks 
C) our upright stance 
D) a Neanderthal mutation common in modern humans 
E) the weight of our brains 
A) over-curvature of the spine 
B) sidewalks 
C) our upright stance 
D) a Neanderthal mutation common in modern humans 
E) the weight of our brains E

Question 2

Which species can be included in the group called "hominins"?

Accepted Answer

A) monkeys only 
B) humans only 
C) apes only 
D) humans and apes only 
E) monkeys, humans, and apes 
A) monkeys only 
B) humans only 
C) apes only 
D) humans and apes only 
E) monkeys, humans, and apes B

Question 3

A hominin species that lived in Europe and Asia and became extinct about 35,000 years ago was ____.

Accepted Answer

A) Homo floresiensis 
B) Australopithecus sediba 
C) Homo erectus 
D) Homo neanderthalensis 
E) Australopithecus africanus 
A) Homo floresiensis 
B) Australopithecus sediba 
C) Homo erectus 
D) Homo neanderthalensis 
E) Australopithecus africanus D

Question 4

Live birth is characteristic of ____.

Accepted Answer

A) marsupials only 
B) monotremes only 
C) placental mammals only 
D) marsupials and placental mammals 
E) marsupials and monotremes 
A) marsupials only 
B) monotremes only 
C) placental mammals only 
D) marsupials and placental mammals 
E) marsupials and monotremes

Question 5

You have a taken a summer job working as a field technician for a biological exploration in the Arctic. During the course of the summer, the expedition leaders become very excited about the discovery of a fish skeleton that shows bones extending out from the vertebral column that appear as small appendages. From your biology coursework, you realize that this fish would be classified as a ____.

Accepted Answer

A) hagfish 
B) stingray 
C) shark 
D) ray-finned fish 
E) lobe-finned fish 
A) hagfish 
B) stingray 
C) shark 
D) ray-finned fish 
E) lobe-finned fish

Question 6

Match the species to the correct description.
-Homo floresiensis

Accepted Answer

A) overlapped and interbred with modern humans 
B) appeared in the fossil record about 1.8 mya to about 53,000 years ago; bipedal with a larger cranial cavity 
C) lived from approximately 2.3-1.4 mya; stone tools are often found in the same area as these fossils 
D) appeared in the fossil record about 195,000 years ago 
E) a possible third species overlapping with anatomically modern humans 
A) overlapped and interbred with modern humans 
B) appeared in the fossil record about 1.8 mya to about 53,000 years ago; bipedal with a larger cranial cavity 
C) lived from approximately 2.3-1.4 mya; stone tools are often found in the same area as these fossils 
D) appeared in the fossil record about 195,000 years ago 
E) a possible third species overlapping with anatomically modern humans

Question 7

How are the feeding habits of lampreys best described?

Accepted Answer

A) suspension feeding 
B) predatory 
C) parasitic 
D) scavenging 
E) passive 
A) suspension feeding 
B) predatory 
C) parasitic 
D) scavenging 
E) passive

Question 8

The diversity of the fishes exceeds that of all other vertebrate groups. Within the fishes, the most diverse group is the ____.

Accepted Answer

A) jawless fishes 
B) ray-finned fishes 
C) lobe-finned fishes 
D) hagfish and lampreys 
E) cartilaginous fishes 
A) jawless fishes 
B) ray-finned fishes 
C) lobe-finned fishes 
D) hagfish and lampreys 
E) cartilaginous fishes

Question 9

Match the species to the correct description.
-Homo neanderthalensis

Accepted Answer

A) overlapped and interbred with modern humans 
B) appeared in the fossil record about 1.8 mya to about 53,000 years ago; bipedal with a larger cranial cavity 
C) lived from approximately 2.3-1.4 mya; stone tools are often found in the same area as these fossils 
D) appeared in the fossil record about 195,000 years ago 
E) a possible third species overlapping with anatomically modern humans 
A) overlapped and interbred with modern humans 
B) appeared in the fossil record about 1.8 mya to about 53,000 years ago; bipedal with a larger cranial cavity 
C) lived from approximately 2.3-1.4 mya; stone tools are often found in the same area as these fossils 
D) appeared in the fossil record about 195,000 years ago 
E) a possible third species overlapping with anatomically modern humans

Question 10

Four of the five answers are adaptations for flight in birds. Select the exception.

Accepted Answer

A) sound production 
B) lightweight bones 
C) feathers 
D) efficient respiration 
E) four-chambered heart 
A) sound production 
B) lightweight bones 
C) feathers 
D) efficient respiration 
E) four-chambered heart

Question 11

The first snakes evolved during the Cretaceous, from short-legged, long-bodied ____.

Accepted Answer

A) lizards 
B) birds 
C) crocodilians 
D) turtles 
E) amphibians 
A) lizards 
B) birds 
C) crocodilians 
D) turtles 
E) amphibians

Question 12

The species Homo sapiens is thought to be how many years old?

Accepted Answer

A) 25,000 
B) 60,000 
C) 95,000 
D) 120,000 
E) 195,000 
A) 25,000 
B) 60,000 
C) 95,000 
D) 120,000 
E) 195,000

Question 13

What nonskeletal adaptations allowed fishes to evolve into land dwellers?

Accepted Answer

Lungs, which had previously served an ac

Question 14

What allows mammals to process a wider variety of foods than other vertebrates?

Accepted Answer

A) They have two types of teeth. 
B) They have four types of teeth. 
C) They have hinged jaws. 
D) They have larger mouths. 
E) They have sharper teeth. 
A) They have two types of teeth. 
B) They have four types of teeth. 
C) They have hinged jaws. 
D) They have larger mouths. 
E) They have sharper teeth.

Question 15

The cloaca functions in ____.

Accepted Answer

A) excretion only 
B) ingestion only 
C) reproduction only 
D) ingestion and excretion 
E) excretion and reproduction 
A) excretion only 
B) ingestion only 
C) reproduction only 
D) ingestion and excretion 
E) excretion and reproduction

Question 16

The descriptive term ectotherm, when applied to reptiles, refers to the fact that ____.

Accepted Answer

A) they are warm-blooded 
B) their internal body temperature varies with that of the external environment 
C) their central body core works best when its temperature is the same as the ambient temperature 
D) their optimum temperature for muscle contraction occurs only when the sun provides direct solar heat 
E) they maintain their temperature by adjusting the production of metabolic heat 
A) they are warm-blooded 
B) their internal body temperature varies with that of the external environment 
C) their central body core works best when its temperature is the same as the ambient temperature 
D) their optimum temperature for muscle contraction occurs only when the sun provides direct solar heat 
E) they maintain their temperature by adjusting the production of metabolic heat

Question 17

The location of the eyes on the front of the head in later primates was especially important in ____.

Accepted Answer

A) seeing color 
B) detecting light intensity 
C) predatory behavior 
D) depth perception 
E) mating 
A) seeing color 
B) detecting light intensity 
C) predatory behavior 
D) depth perception 
E) mating

Question 18

Which vertebrate adaptation allowed dispersal to land-based life that was completely independent of water?

Accepted Answer

A) four-legged travel only 
B) bony appendages only 
C) hinged skeletal elements called jaws 
D) development of embryos within waterproof membranes 
E) bony appendages and four-legged travel 
A) four-legged travel only 
B) bony appendages only 
C) hinged skeletal elements called jaws 
D) development of embryos within waterproof membranes 
E) bony appendages and four-legged travel

Question 19

What skeletal adaptations allowed fishes to evolve into four-legged walkers and land dwellers?

Accepted Answer

Bones of a lobe-finned fish's pectoral f

Question 20

Which young develop briefly in their mother's body, nourished by egg yolk and by nutrients that diffuse from the mother's tissues?

Accepted Answer

A) reptiles 
B) birds 
C) monotremes 
D) marsupials 
E) placental mammals 
A) reptiles 
B) birds 
C) monotremes 
D) marsupials 
E) placental mammals

Exam 24: Animals Ii: the Chordates

Lower back pain is common in humans because of ____.

Which species can be included in the group called "hominins"?

A hominin species that lived in Europe and Asia and became extinct about 35,000 years ago was ____.

Live birth is characteristic of ____.

Match the species to the correct description. -Homo floresiensis

How are the feeding habits of lampreys best described?

The diversity of the fishes exceeds that of all other vertebrate groups. Within the fishes, the most diverse group is the ____.

Match the species to the correct description. -Homo neanderthalensis

Four of the five answers are adaptations for flight in birds. Select the exception.

The first snakes evolved during the Cretaceous, from short-legged, long-bodied ____.

The species Homo sapiens is thought to be how many years old?

What nonskeletal adaptations allowed fishes to evolve into land dwellers?

What allows mammals to process a wider variety of foods than other vertebrates?

The cloaca functions in ____.

The descriptive term ectotherm, when applied to reptiles, refers to the fact that ____.

The location of the eyes on the front of the head in later primates was especially important in ____.

Which vertebrate adaptation allowed dispersal to land-based life that was completely independent of water?

What skeletal adaptations allowed fishes to evolve into four-legged walkers and land dwellers?

Which young develop briefly in their mother's body, nourished by egg yolk and by nutrients that diffuse from the mother's tissues?

The Science of Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where It Starts-Photosynthesis

Releasing Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Patterns in Inherited Traits

Human Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Lifes Origin and Early Evolution

Viruses, Bacteria, and Archaea

The Protists

Plant Evolution

Fungi

Animals I: Major Invertebrate Groups

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Reproduction and Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Effects on the Biosphere

Filters