Question 1

Some animals are autotrophs.

Accepted Answer

A) True 
 B)False

Question 2

How do scientists believe that an asteroid impact in the Yucatán peninsula of Central America caused a worldwide mass extinction?

Accepted Answer

A)  by blocking the sun and inhibiting photosynthesis 
B)  by using up all of the oxygen in the atmosphere 
C)  most of the animals in the world were in the tropics of Central America 
D)  by causing massive floods 
E)  by heating up the planet 
A)  by blocking the sun and inhibiting photosynthesis 
B)  by using up all of the oxygen in the atmosphere 
C)  most of the animals in the world were in the tropics of Central America 
D)  by causing massive floods 
E)  by heating up the planet

Question 3

Sea cucumbers and sea urchins belong to the phylum

Accepted Answer

A)  Cnidaria. 
B)  Arthropoda. 
C)  Echinodermata. 
D)  Nematoda. 
E)  Mollusca. 
A)  Cnidaria. 
B)  Arthropoda. 
C)  Echinodermata. 
D)  Nematoda. 
E)  Mollusca.

Question 4

A circulatory system in which the heart pumps blood to tissues throughout the body cavity is a(n)

Accepted Answer

A)  closed circulatory system. 
B)  gastrovascular cavity. 
C)  incomplete circulatory system. 
D)  complete circulatory system. 
E)  open circulatory system. 
A)  closed circulatory system. 
B)  gastrovascular cavity. 
C)  incomplete circulatory system. 
D)  complete circulatory system. 
E)  open circulatory system.

Question 5

Segmentation is easy to observe in the cuticle of a nematode.

Accepted Answer

A) True 
 B)False

Question 6

A skeleton has a foramen magnum near the rear of the skull; this indicates the skeletal remains may be those of

Accepted Answer

A)  a chimpanzee. 
B)  a gorilla. 
C)  a chimpanzee or a gorilla. 
D)  human. 
A)  a chimpanzee. 
B)  a gorilla. 
C)  a chimpanzee or a gorilla. 
D)  human.

Question 7

Which of the following is not classified as a mammal?

Accepted Answer

A)  dolphin 
B)  platypus 
C)  kangaroo 
D)  penguin 
E)  whale 
A)  dolphin 
B)  platypus 
C)  kangaroo 
D)  penguin 
E)  whale

Question 8

Though animals are very diverse,some features are only found in nonanimals.Which of the following is not a feature of animals?

Accepted Answer

A)  Animals are unicellular and multicellular eukaryotes. 
B)  Animals consume others to obtain energy and nutrients. 
C)  Animal embryos have a blastula stage. 
D)  All animals are in kingdom Animalia. 
E)  Animals may be invertebrates or vertebrates. 
A)  Animals are unicellular and multicellular eukaryotes. 
B)  Animals consume others to obtain energy and nutrients. 
C)  Animal embryos have a blastula stage. 
D)  All animals are in kingdom Animalia. 
E)  Animals may be invertebrates or vertebrates.

Question 9

Snails and squids belong to the phylum

Accepted Answer

A)  Cnidaria. 
B)  Porifera. 
C)  Platyhelminthes. 
D)  Mollusca. 
E)  Annelida. 
A)  Cnidaria. 
B)  Porifera. 
C)  Platyhelminthes. 
D)  Mollusca. 
E)  Annelida.

Question 10

Scientists use DNA to track the migration of humans across the planet.After a group migrates away from their ancestral homeland,any mutations that occur are not mixed with those left in the ancestral population.Therefore,DNA samples taken from ________ would have the most unique mutations,representing the most recent population to migrate to a new area.

Accepted Answer

A)  Africa 
B)  Asia 
C)  Australia 
D)  Europe 
E)  the Americas 
A)  Africa 
B)  Asia 
C)  Australia 
D)  Europe 
E)  the Americas

Question 11

Which is a characteristic of reptiles?

Accepted Answer

A)  They have gills. 
B)  They are endotherms. 
C)  They have skeletons composed of cartilage. 
D)  They are ectotherms with lungs. 
E)  They lack a coelom. 
A)  They have gills. 
B)  They are endotherms. 
C)  They have skeletons composed of cartilage. 
D)  They are ectotherms with lungs. 
E)  They lack a coelom.

Question 12

Sharp slivers,called ________,are made of silica or calcium carbonate and provide sponges with support.

Accepted Answer

A)  spicules 
B)  pores 
C)  collar cells 
D)  amoebocytes 
E)  No answer is correct. 
A)  spicules 
B)  pores 
C)  collar cells 
D)  amoebocytes 
E)  No answer is correct.

Question 13

Which of the following is found in a group other than animals?

Accepted Answer

A)  They have cell walls. 
B)  They have a developmental stage called a blastula. 
C)  They are multicellular eukaryotes. 
D)  They are heterotrophs. 
E)  They secrete and bind to an extracellular matrix. 
A)  They have cell walls. 
B)  They have a developmental stage called a blastula. 
C)  They are multicellular eukaryotes. 
D)  They are heterotrophs. 
E)  They secrete and bind to an extracellular matrix.

Question 14

If you had found a flattened worm with bilateral symmmetry,you would know that you had found a flatworm.

Accepted Answer

A) True 
 B)False

Question 15

Nematodes are protected from environmental hazards in part by their cuticle.

Accepted Answer

A) True 
 B)False

Question 16

A fluid-filled body cavity that forms completely within the mesoderm of animals is a

Accepted Answer

A)  coelom. 
B)  blastula. 
C)  pseudocoelom. 
D)  protostome. 
E)  deuterostome. 
A)  coelom. 
B)  blastula. 
C)  pseudocoelom. 
D)  protostome. 
E)  deuterostome.

Question 17

Which of the following does not have a true coelom?

Accepted Answer

A)  earthworm 
B)  snail 
C)  flatworm 
D)  sea star 
E)  insect 
A)  earthworm 
B)  snail 
C)  flatworm 
D)  sea star 
E)  insect

Question 18

Cnidarians are animals found in ________ environments.

Accepted Answer

A)  land-dwelling 
B)  tree-dwelling 
C)  desert 
D)  aquatic 
E)  All answers are correct. 
A)  land-dwelling 
B)  tree-dwelling 
C)  desert 
D)  aquatic 
E)  All answers are correct.

Question 19

All cnidarians share the ability to do which of the following?

Accepted Answer

A)  photosynthesize 
B)  secrete a thick mantle that sometimes forms a shell 
C)  sting predators and prey 
D)  live on land 
E)  fly 
A)  photosynthesize 
B)  secrete a thick mantle that sometimes forms a shell 
C)  sting predators and prey 
D)  live on land 
E)  fly

Question 20

Which of the following is a trait shared by mammals and reptiles that is not shared by the other groups of chordates?

Accepted Answer

A)  hair 
B)  mammary glands 
C)  an amnion 
D)  legs 
E)  lungs 
A)  hair 
B)  mammary glands 
C)  an amnion 
D)  legs 
E)  lungs

Exam 17: Evolution and Diversity of Animals

Some animals are autotrophs.

How do scientists believe that an asteroid impact in the Yucatán peninsula of Central America caused a worldwide mass extinction?

Sea cucumbers and sea urchins belong to the phylum

A circulatory system in which the heart pumps blood to tissues throughout the body cavity is a(n)

Segmentation is easy to observe in the cuticle of a nematode.

A skeleton has a foramen magnum near the rear of the skull; this indicates the skeletal remains may be those of

Which of the following is not classified as a mammal?

Though animals are very diverse,some features are only found in nonanimals.Which of the following is not a feature of animals?

Snails and squids belong to the phylum

Which is a characteristic of reptiles?

Sharp slivers,called ________,are made of silica or calcium carbonate and provide sponges with support.

Which of the following is found in a group other than animals?

If you had found a flattened worm with bilateral symmmetry,you would know that you had found a flatworm.

Nematodes are protected from environmental hazards in part by their cuticle.

A fluid-filled body cavity that forms completely within the mesoderm of animals is a

Which of the following does not have a true coelom?

Cnidarians are animals found in ________ environments.

All cnidarians share the ability to do which of the following?

Which of the following is a trait shared by mammals and reptiles that is not shared by the other groups of chordates?

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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