Question 1

Which group has a tentacle ringed mouth and a gastrovascular cavity?

Accepted Answer

A) sponges 
B) cnidarians 
C) flatworms 
D) annelids 
E) arthropods 
A) sponges 
B) cnidarians 
C) flatworms 
D) annelids 
E) arthropods B

Question 2

Which animal group does not have tissues?

Accepted Answer

A) nematodes 
B) sponges 
C) echinoderms 
D) flatworms 
E) cnidarians 
A) nematodes 
B) sponges 
C) echinoderms 
D) flatworms 
E) cnidarians B

Question 3

Which animals have a collagen cuticle, a pseudocoelom, a tubular digestive system and no respiratory or circulatory organs?

Accepted Answer

A) roundworms 
B) cnidarians 
C) flatworms 
D) annelids 
E) sponges 
A) roundworms 
B) cnidarians 
C) flatworms 
D) annelids 
E) sponges A

Question 4

Four of the five answers listed below are descriptive of annelids. Select the exception.

Accepted Answer

A) closed circulatory system 
B) fluid-filled coelom 
C) jointed appendages 
D) segmented body 
E) tubular gut 
A) closed circulatory system 
B) fluid-filled coelom 
C) jointed appendages 
D) segmented body 
E) tubular gut

Question 5

The most diverse animal group is the ____.

Accepted Answer

A) mollusks 
B) insects 
C) nematodes 
D) chordates 
E) cnidarians 
A) mollusks 
B) insects 
C) nematodes 
D) chordates 
E) cnidarians

Question 6

Which animal(s) have four pairs of walking legs attached to their cephalothorax and no antennae?

Accepted Answer

A) ticks and mites 
B) insects 
C) crustaceans 
D) myriapods 
E) arachnids 
A) ticks and mites 
B) insects 
C) crustaceans 
D) myriapods 
E) arachnids

Question 7

Match the description to the correct mollusk group.
-most have a beaklike, biting mouthparts in addition to a radula.

Accepted Answer

A) gastropods 
B) bivalves 
C) cephalopods 
D) all mollusk groups 
A) gastropods 
B) bivalves 
C) cephalopods 
D) all mollusk groups

Question 8

Four of the five answers listed below are arthropods. Select the exception.

Accepted Answer

A) barnacles 
B) bumblebees 
C) spiders 
D) octopuses 
E) ticks 
A) barnacles 
B) bumblebees 
C) spiders 
D) octopuses 
E) ticks

Question 9

Which are deuterostomes?

Accepted Answer

A) annelids 
B) echinoderms 
C) arthropods 
D) mollusks 
E) flatworms 
A) annelids 
B) echinoderms 
C) arthropods 
D) mollusks 
E) flatworms

Question 10

A typical sponge is ____ because it produces ____ cells.

Accepted Answer

A) a hermaphrodite; only egg 
B) parthenogenetic; both egg and sperm 
C) a hermaphrodite; both egg and sperm 
D) parthenogenetic; only egg 
E) a hermaphrodite; only sperm 
A) a hermaphrodite; only egg 
B) parthenogenetic; both egg and sperm 
C) a hermaphrodite; both egg and sperm 
D) parthenogenetic; only egg 
E) a hermaphrodite; only sperm

Question 11

Cnidarians have an outer layer derived from ectoderm, an inner layer from endoderm, and a ____.

Accepted Answer

A) middle layer of mesoderm 
B) watery middle layer 
C) well-developed brain 
D) jellylike matrix in between 
E) complete gut 
A) middle layer of mesoderm 
B) watery middle layer 
C) well-developed brain 
D) jellylike matrix in between 
E) complete gut

Question 12

Which annelid subgroup has many chitin-reinforced bristles called chaetae on their segments?

Accepted Answer

A) polychaetes 
B) oligochaetes 
C) leeches 
D) earthworms 
E) tapeworms 
A) polychaetes 
B) oligochaetes 
C) leeches 
D) earthworms 
E) tapeworms

Question 13

The injectable pain-killing drug called Prialt is an improvement over morphine-type drugs because it ____.

Accepted Answer

A) can easily be extracted from cone snails 
B) is less expensive to produce than morphine 
C) also removes the memory of pain from the affected person 
D) is not addictive 
E) is from invertebrates 
A) can easily be extracted from cone snails 
B) is less expensive to produce than morphine 
C) also removes the memory of pain from the affected person 
D) is not addictive 
E) is from invertebrates

Question 14

Match the description to the correct mollusk group.
-have a tubular gut

Accepted Answer

A) gastropods 
B) bivalves 
C) cephalopods 
D) all mollusk groups 
A) gastropods 
B) bivalves 
C) cephalopods 
D) all mollusk groups

Question 15

Which characteristics best describe earthworms?

Accepted Answer

A) polychaete; fluid filled coelom 
B) oligochaete; open circulatory system 
C) moves by longitudinal muscle contraction; hydrostatic skeleton 
D) oligochaete; scavengers; closed circulatory system 
E) hermaphrodites that fertilize themselves; open circulatory system 
A) polychaete; fluid filled coelom 
B) oligochaete; open circulatory system 
C) moves by longitudinal muscle contraction; hydrostatic skeleton 
D) oligochaete; scavengers; closed circulatory system 
E) hermaphrodites that fertilize themselves; open circulatory system

Question 16

Nematocysts in cnidarians are ____.

Accepted Answer

A) reproductive cells 
B) excretory organs 
C) sets of muscle cells 
D) circulatory cells 
E) defensive cells 
A) reproductive cells 
B) excretory organs 
C) sets of muscle cells 
D) circulatory cells 
E) defensive cells

Question 17

Four of the five answers are features of the echinoderms. Select the exception.

Accepted Answer

A) spiny skin 
B) decentralized nervous system 
C) radial symmetry 
D) a water-vascular system 
E) a mantle 
A) spiny skin 
B) decentralized nervous system 
C) radial symmetry 
D) a water-vascular system 
E) a mantle

Question 18

Match the description to the correct mollusk group.
-all are predators

Accepted Answer

A) gastropods 
B) bivalves 
C) cephalopods 
D) all mollusk groups 
A) gastropods 
B) bivalves 
C) cephalopods 
D) all mollusk groups

Question 19

Both the largest and fastest invertebrates are in which mollusk group?

Accepted Answer

A) slugs 
B) cephalopods 
C) gastropods 
D) bivalves 
E) cnidarians 
A) slugs 
B) cephalopods 
C) gastropods 
D) bivalves 
E) cnidarians

Question 20

Four of the five answers listed below are members of a common group. Select the exception.

Accepted Answer

A) sea star 
B) sea anemone 
C) sea urchin 
D) brittle star 
E) sea cucumber 
A) sea star 
B) sea anemone 
C) sea urchin 
D) brittle star 
E) sea cucumber

Exam 23: Animals I: Major Invertebrate Groups

Which group has a tentacle ringed mouth and a gastrovascular cavity?

Which animal group does not have tissues?

Which animals have a collagen cuticle, a pseudocoelom, a tubular digestive system and no respiratory or circulatory organs?

Four of the five answers listed below are descriptive of annelids. Select the exception.

The most diverse animal group is the ____.

Which animal(s) have four pairs of walking legs attached to their cephalothorax and no antennae?

Match the description to the correct mollusk group. -most have a beaklike, biting mouthparts in addition to a radula.

Four of the five answers listed below are arthropods. Select the exception.

Which are deuterostomes?

A typical sponge is ____ because it produces ____ cells.

Cnidarians have an outer layer derived from ectoderm, an inner layer from endoderm, and a ____.

Which annelid subgroup has many chitin-reinforced bristles called chaetae on their segments?

The injectable pain-killing drug called Prialt is an improvement over morphine-type drugs because it ____.

Match the description to the correct mollusk group. -have a tubular gut

Which characteristics best describe earthworms?

Nematocysts in cnidarians are ____.

Four of the five answers are features of the echinoderms. Select the exception.

Match the description to the correct mollusk group. -all are predators

Both the largest and fastest invertebrates are in which mollusk group?

Four of the five answers listed below are members of a common group. Select the exception.

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 Ii: the Chordates

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

A typical sponge is because it produces cells.