Question 1

Sponge gemmules

Accepted Answer

A) are used in respiration. 
B) capture food. 
C) function in excretion. 
D) serve in digestion. 
E) are reproductive agents. 
A) are used in respiration. 
B) capture food. 
C) function in excretion. 
D) serve in digestion. 
E) are reproductive agents.

Question 2

Which of the following are most closely related according to the most modern hypothesis of animal evolutionary relationships?

Accepted Answer

A) arthropods and roundworms 
B) mollusks and tardigrades 
C) annelids and cnidarians 
D) chordates and flatworms 
E) echinoderms and mollusks 
A) arthropods and roundworms 
B) mollusks and tardigrades 
C) annelids and cnidarians 
D) chordates and flatworms 
E) echinoderms and mollusks

Question 3

Feeding in sponges is dependent on

Accepted Answer

A) collar cells. 
B) pores. 
C) water flow. 
D) pores and water flow. 
E) all of the above. 
A) collar cells. 
B) pores. 
C) water flow. 
D) pores and water flow. 
E) all of the above.

Question 4

A wormlike arthropod with a flattened body and carnivorous eating habits would be identified as a

Accepted Answer

A) crustacean. 
B) millipede. 
C) spider. 
D) trilobite. 
E) centipede. 
A) crustacean. 
B) millipede. 
C) spider. 
D) trilobite. 
E) centipede.

Question 5

Which of the following are most closely related to the choanoflagellates?

Accepted Answer

A) animals 
B) fungi 
C) amoebozoans 
D) algae 
E) none of these 
A) animals 
B) fungi 
C) amoebozoans 
D) algae 
E) none of these

Question 6

The majority of crustaceans live in

Accepted Answer

A) bodies of freshwater. 
B) tropical rain forests. 
C) marine habitats. 
D) wetlands. 
E) grasslands. 
A) bodies of freshwater. 
B) tropical rain forests. 
C) marine habitats. 
D) wetlands. 
E) grasslands.

Question 7

The organs of excretion in flatworms are

Accepted Answer

A) nephridia. 
B) contractile vacuoles. 
C) Malpighian tubules. 
D) flame cells. 
E) book lungs. 
A) nephridia. 
B) contractile vacuoles. 
C) Malpighian tubules. 
D) flame cells. 
E) book lungs.

Question 8

Nematocysts are found only in

Accepted Answer

A) cnidarians. 
B) nematodes. 
C) crustaceans. 
D) echinoderms. 
E) sponges. 
A) cnidarians. 
B) nematodes. 
C) crustaceans. 
D) echinoderms. 
E) sponges.

Question 9

Cells of the outer surface of a sponge obtain nutrients by

Accepted Answer

A) absorbing food that diffuses from the central cavity. 
B) capturing food in their microvilli. 
C) absorbing food distributed by amoeboid cells. 
D) phagocytosing bacteria and other small food items. 
E) poisoning small fish that contact them. 
A) absorbing food that diffuses from the central cavity. 
B) capturing food in their microvilli. 
C) absorbing food distributed by amoeboid cells. 
D) phagocytosing bacteria and other small food items. 
E) poisoning small fish that contact them.

Question 10

Trichoplax adhaerens has no nerve cells, but scientists have discovered

Accepted Answer

A) genes that encode signaling molecules. 
B) a response to harsh chemicals. 
C) movement toward a food source. 
D) adherence genes. 
E) none of these. 
A) genes that encode signaling molecules. 
B) a response to harsh chemicals. 
C) movement toward a food source. 
D) adherence genes. 
E) none of these.

Question 11

Use the figure above to answer questions 
  
-A body plan with a pseudocoelom is indicated by

Accepted Answer

A) A. 
B) B. 
C) C. 
D) A and B. 
E) B and C. 
A) A. 
B) B. 
C) C. 
D) A and B. 
E) B and C.

Question 12

Certain appendages of insects evolved into broad, thin extensions for the purpose of

Accepted Answer

A) walking. 
B) flight. 
C) feeding. 
D) copulation. 
E) swimming. 
A) walking. 
B) flight. 
C) feeding. 
D) copulation. 
E) swimming.

Question 13

Four of the five features listed below are found in the same animal.Select the exception.

Accepted Answer

A) first segmented form 
B) possess nephridia 
C) jointed appendages 
D) clitellum 
E) complete gut with closed circulatory system and coelom 
A) first segmented form 
B) possess nephridia 
C) jointed appendages 
D) clitellum 
E) complete gut with closed circulatory system and coelom

Question 14

The above disease condition shown in this photograph is caused by which of the following?

Accepted Answer

A) trematodes 
B) Tricinella 
C) Wuchereria bancrofti 
D) hookworms 
E) none of these 
A) trematodes 
B) Tricinella 
C) Wuchereria bancrofti 
D) hookworms 
E) none of these

Question 15

A digestive tract is complete if it

Accepted Answer

A) possesses specialized regions for different digestive tasks. 
B) produces acids and contains enzymes. 
C) is a one-way tube with a mouth and an anus. 
D) is surrounded by muscle. 
E) uses the same opening for ingestion and egestion. 
A) possesses specialized regions for different digestive tasks. 
B) produces acids and contains enzymes. 
C) is a one-way tube with a mouth and an anus. 
D) is surrounded by muscle. 
E) uses the same opening for ingestion and egestion.

Question 16

Which of the following organisms exhibits cephalization?

Accepted Answer

A) snail 
B) sea anemone 
C) sea star 
D) sponge 
E) Trichoplax 
A) snail 
B) sea anemone 
C) sea star 
D) sponge 
E) Trichoplax

Question 17

Trichoplax adhaerens is considered the closest animal relative of the choanoflagellates due to

Accepted Answer

A) similar structures to amoeboids. 
B) sticky base plate. 
C) microscopic observation. 
D) fossil evidence. 
E) genetic evidence. 
A) similar structures to amoeboids. 
B) sticky base plate. 
C) microscopic observation. 
D) fossil evidence. 
E) genetic evidence.

Question 18

The figure above has a line drawn to

Accepted Answer

A) the eyes. 
B) insects. 
C) the maxilla. 
D) the protozoan head. 
E) none of these. 
A) the eyes. 
B) insects. 
C) the maxilla. 
D) the protozoan head. 
E) none of these.

Question 19

Nematocysts are used for

Accepted Answer

A) reproduction. 
B) excretion. 
C) muscle action. 
D) circulation. 
E) defense. 
A) reproduction. 
B) excretion. 
C) muscle action. 
D) circulation. 
E) defense.

Question 20

The movement of earthworms is dependent on

Accepted Answer

A) circular muscles. 
B) longitudinal muscles. 
C) hydrostatic skeleton. 
D) setae. 
E) all of these. 
A) circular muscles. 
B) longitudinal muscles. 
C) hydrostatic skeleton. 
D) setae. 
E) all of these.

Exam 25: Animals: the Invertebrates

Sponge gemmules

Which of the following are most closely related according to the most modern hypothesis of animal evolutionary relationships?

Feeding in sponges is dependent on

A wormlike arthropod with a flattened body and carnivorous eating habits would be identified as a

Which of the following are most closely related to the choanoflagellates?

The majority of crustaceans live in

The organs of excretion in flatworms are

Nematocysts are found only in

Cells of the outer surface of a sponge obtain nutrients by

Trichoplax adhaerens has no nerve cells, but scientists have discovered

Use the figure above to answer questions -A body plan with a pseudocoelom is indicated by

Certain appendages of insects evolved into broad, thin extensions for the purpose of

Four of the five features listed below are found in the same animal.Select the exception.

The above disease condition shown in this photograph is caused by which of the following?

A digestive tract is complete if it

Which of the following organisms exhibits cephalization?

Trichoplax adhaerens is considered the closest animal relative of the choanoflagellates due to

The figure above has a line drawn to

Nematocysts are used for

The movement of earthworms is dependent on

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

A Closer Look at Cell Membranes

Ground Rules of Metabolism

Where It Startsphotosynthesis

Energy-Releasing Pathways

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Dna Structure and Function

From Dna to Protein

Controls Over Genes

Recombinant Dna and Genetic Engineering

The Macroevolutionary Puzzle

Emergence of Evolutionary Thought

Organizing Information About Species

The Origin and Evolution of Life

Viruses and Prokaryotes

Protists the Simplest Eukaryotes

Plants

Fungi

Animal Evolution the Chordates

Human Evolution: a Case Study

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction

Plant Growth and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Protection, Support, and Movement

Circulation

Immunity

Respiration

Digestion and Human Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Structure and Biodiversity

Ecosystems

The Biosphere

Human Impacts on the Biosphere

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