Question 1

According to the evolutionary tree,humans are descended from other groups of modern apes.

Accepted Answer

A) True 
 B)False

Question 2

Flatworms have complete digestive tracts.

Accepted Answer

A) True 
 B)False

Question 3

Centipedes,earthworms,and roundworms all illustrate segmentation.

Accepted Answer

A) True 
 B)False

Question 4

A tunicate is

Accepted Answer

A) an invertebrate chordate. 
B) a vertebrate. 
C) an echinoderm. 
D) an amphibian. 
E) a fish. 
A) an invertebrate chordate. 
B) a vertebrate. 
C) an echinoderm. 
D) an amphibian. 
E) a fish.

Question 5

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 6

In animals,a sphere of embryonic cells surrounding a fluid-filled cavity is called a

Accepted Answer

A) gastrovascular cavity. 
B) blastula. 
C) coelom. 
D) gastrula. 
E) hydrostatic skeleton. 
A) gastrovascular cavity. 
B) blastula. 
C) coelom. 
D) gastrula. 
E) hydrostatic skeleton.

Question 7

From which group did animals likely arise 570 million years ago?

Accepted Answer

A) protists 
B) insects 
C) fishes 
D) fungi 
E) bacteria 
A) protists 
B) insects 
C) fishes 
D) fungi 
E) bacteria

Question 8

Platyhelminthes include which of the following organisms?

Accepted Answer

A) flukes 
B) jellyfish 
C) sponges 
D) insects 
E) mollusks 
A) flukes 
B) jellyfish 
C) sponges 
D) insects 
E) mollusks

Question 9

Lobe-finned fishes led to the evolution of

Accepted Answer

A) fishes only. 
B) amphibians only. 
C) reptiles only. 
D) mammals only. 
E) amphibians,reptiles,and mammals. 
A) fishes only. 
B) amphibians only. 
C) reptiles only. 
D) mammals only. 
E) amphibians,reptiles,and mammals.

Question 10

Earthworms have multiple hearts that pump blood throughout the body in vessels.They also ingest soil,digest the organic matter,and eliminate the indigestible particles as castings through an opening separate from that used for ingestion.Earthworms have which of the following?

Accepted Answer

A) an incomplete digestive tract and closed circulatory system 
B) a complete digestive tract and open circulatory system 
C) a complete digestive tract and closed circulatory system 
D) an incomplete digestive tract and open circulatory system 
A) an incomplete digestive tract and closed circulatory system 
B) a complete digestive tract and open circulatory system 
C) a complete digestive tract and closed circulatory system 
D) an incomplete digestive tract and open circulatory system

Question 11

Hominines include

Accepted Answer

A) humans. 
B) humans,chimpanzees,and gorillas. 
C) gibbons and orangutans. 
D) chimpanzees and gorillas. 
E) All answers are correct. 
A) humans. 
B) humans,chimpanzees,and gorillas. 
C) gibbons and orangutans. 
D) chimpanzees and gorillas. 
E) All answers are correct.

Question 12

Segmentation occurs in annelids,arthropods,and chordates.What can therefore be concluded about segmentation?

Accepted Answer

A) Segmentation occurs in all animals. 
B) Segmentation occurs only in invertebrates. 
C) Segmentation occurs only in vertebrates. 
D) Segmentation evolved multiple times. 
E) The first animal that gave rise to all other animals was segmented. 
A) Segmentation occurs in all animals. 
B) Segmentation occurs only in invertebrates. 
C) Segmentation occurs only in vertebrates. 
D) Segmentation evolved multiple times. 
E) The first animal that gave rise to all other animals was segmented.

Question 13

Which of the following characteristics do all animals share?

Accepted Answer

A) They are single-celled eukaryotes. 
B) They are multi-cellular prokaryotes. 
C) They are multi-cellular eukaryotes. 
D) They are single-celled prokaryotes. 
A) They are single-celled eukaryotes. 
B) They are multi-cellular prokaryotes. 
C) They are multi-cellular eukaryotes. 
D) They are single-celled prokaryotes.

Question 14

The most successful phylum in regards to diversity and numbers is

Accepted Answer

A) MolluscA. 
B) Nematoda. 
C) Platyhelminthes. 
D) Arthropoda. 
E) Echinodermata. 
A) MolluscA. 
B) Nematoda. 
C) Platyhelminthes. 
D) Arthropoda. 
E) Echinodermata.

Question 15

Animals are very diverse.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 16

Birds are endothermic,feathered reptiles.

Accepted Answer

A) True 
 B)False

Question 17

The type of body symmetry in which any plane passing through the body from the mouth to the opposite end divides the body into mirror images is

Accepted Answer

A) longitudinal symmetry. 
B) mirrored symmetry. 
C) bilateral symmetry. 
D) radial symmetry. 
E) asymmetry. 
A) longitudinal symmetry. 
B) mirrored symmetry. 
C) bilateral symmetry. 
D) radial symmetry. 
E) asymmetry.

Question 18

How do scientists believe that an asteroid impact in the Yucatan 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 19

Cnidarian bodies are one of two forms.A(n)______ consists of a sessile stalk with tentacles on one end.A(n)______ is a free-swimming,bell-shaped,"tentacles-down" body form with a single opening forming the mouth.

Accepted Answer

A) cephalization;amnion 
B) amnion;medusa 
C) amnion;polyp 
D) polyp;medusa 
E) medusa;polyp 
A) cephalization;amnion 
B) amnion;medusa 
C) amnion;polyp 
D) polyp;medusa 
E) medusa;polyp

Question 20

Sponges belong to the phylum

Accepted Answer

A) PoriferA. 
B) Cnidaria. 
C) Platyhelminthes. 
D) Nematoda. 
E) Annelida. 
A) PoriferA. 
B) Cnidaria. 
C) Platyhelminthes. 
D) Nematoda. 
E) Annelida.

Exam 17: Evolution and Diversity of Animals

According to the evolutionary tree,humans are descended from other groups of modern apes.

Flatworms have complete digestive tracts.

Centipedes,earthworms,and roundworms all illustrate segmentation.

A tunicate is

Sea cucumbers and sea urchins belong to the phylum

In animals,a sphere of embryonic cells surrounding a fluid-filled cavity is called a

From which group did animals likely arise 570 million years ago?

Platyhelminthes include which of the following organisms?

Lobe-finned fishes led to the evolution of

Earthworms have multiple hearts that pump blood throughout the body in vessels.They also ingest soil,digest the organic matter,and eliminate the indigestible particles as castings through an opening separate from that used for ingestion.Earthworms have which of the following?

Hominines include

Segmentation occurs in annelids,arthropods,and chordates.What can therefore be concluded about segmentation?

Which of the following characteristics do all animals share?

The most successful phylum in regards to diversity and numbers is

Animals are very diverse.Which of the following is NOT a feature of animals?

Birds are endothermic,feathered reptiles.

The type of body symmetry in which any plane passing through the body from the mouth to the opposite end divides the body into mirror images is

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

Cnidarian bodies are one of two forms.A(n)______ consists of a sessile stalk with tentacles on one end.A(n)______ is a free-swimming,bell-shaped,"tentacles-down" body form with a single opening forming the mouth.

Sponges belong to the phylum

Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

How Cells Release Energy

DNA Structure and Gene Function

DNA Replication and Cell Division

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

Population Ecology

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

Regulating Temperature, nutrients, and Body Fluids

The Immune System

Animal Reproduction and Development

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Cnidarian bodies are one of two forms.A(n) consists of a sessile stalk with tentacles on one end.A(n) is a free-swimming,bell-shaped,"tentacles-down" body form with a single opening forming the mouth.