Deck 23: The Animal Kingdom

Question 1

An advantage that multicellular organisms have over one-celled organisms is that cells in multicellular organisms

A) are larger.
B) reproduce sexually.
C) can specialize.
D) are slower moving.

Answer 1

can specialize.

Question 2

Animals are

A) heterotrophs
B) multicellular
C) able to move
D) All of the above are correct.

Answer 2

All of the above are correct.

Question 3

Poikilotherms

A) have the same body temperature as their environment.
B) maintain a cold body temperature.
C) maintain a constant body temperature.
D) are always unicellular organisms.

Answer 3

have the same body temperature as their environment.

Question 4

Homeotherms

A) have the same body temperature as their environment.
B) maintain a cold body temperature.
C) maintain a constant body temperature.
D) are always unicellular organisms.

Question 5

Animals with no particular body shape have

A) asymmetry.
B) radial symmetry.
C) bilateral symmetry.
D) coeloms.

Question 6

Animals that are constructed around a central axis and in which any body division along that axis results in similar halves have

A) asymmetry.
B) radial symmetry.
C) bilateral symmetry.
D) coeloms.

Question 7

Animals that can only be divided into mirror halves along one plane have

A) asymmetry.
B) radial symmetry.
C) bilateral symmetry.
D) acoeloms.

Question 8

Diploblastic organisms differ from triploblastic organisms in that diplobastic organisms are

A) larger than triploblastic organisms.
B) bilaterally symmetrical.
C) simpler in structure than triploblastic organisms.
D) able to reproduce sexually rather than asexually.

Question 9

The earliest animal fossils

A) are about 2.5 billion years old.
B) are of marine organisms.
C) are of insects.
D) None of the above is correct.

Question 10

Organs in the coelom of an animal are held in place by the

A) muscles.
B) bones.
C) inner tube.
D) mesenteries.

Question 11

Segmentation

A) is common in Arthropods.
B) requires an exoskeleton.
C) is common in sponges.
D) occurs in flatworms.

Question 12

These are parasitic flatworms.

A) roundworms
B) turbellarians
C) flukes
D) protozoans

Question 13

Sessile organisms overcome problems relating to sexual reproduction by

A) reproducing asexually.
B) releasing sperm into the water that surrounds them.
C) having internal fertilization.
D) producing larvae.

Question 14

In most sessile organisms, the fertilized egg develops into

A) a sessile adult.
B) a sessile larva.
C) a free-swimming adult.
D) a free-swimming larva.

Question 15

Animals that swim about freely are

A) plankton.
B) benthic.
C) nekton.
D) zooplankton.

Question 16

Animals with a backbone are

A) vertebrates.
B) chordates.
C) colonial.
D) invertebrates.

Question 17

A type of multicellular animal that consists of cells with little specialization is a

A) tapeworm.
B) jellyfish.
C) sponge.
D) bee.

Question 18

Fragmentation is a method of reproduction in the

A) flatworm.
B) earthworm.
C) roundworm.
D) sponge.

Question 19

A specific type of reproduction in which a new organism is an outgrowth of the parent is

A) budding.
B) fragmentation.
C) cloning.
D) sexual.

Question 20

The free-swimming adult stage of many cnidarians that reproduces sexually is a

A) larva.
B) polyp.
C) medusa.
D) zygote.

Question 21

The sessile stage of many cnidarians is a

A) larva.
B) polyp.
C) medusa.
D) zygote.

Question 22

A type of organism having a life cycle with a larval stage that infects a snail is a

A) tapeworm.
B) roundworm.
C) fluke.
D) protozoan.

Question 23

The number of hosts in the life cycle of a tapeworm is

A) one.
B) two.
C) three.
D) different for different types of tapeworms.

Question 24

Nematodes

A) have a pseudocoelom.
B) are bilaterally symmetrical.
C) have a mouth and an anus.
D) All of the above are correct.

Question 25

Benthic organisms are found

A) on the ocean surface.
B) free-swimming anywhere in the ocean.
C) on the ocean bottom.
D) along the ocean shore.

Question 26

Which of the following kinds of tissue is developed from ectoderm?

A) muscle
B) the gut
C) skin or outer covering
D) None of the above is correct.

Question 27

Filter feeders

A) are carnivores.
B) are the first organisms on a food chain.
C) feed on plankton.
D) are producers.

Question 28

The larval stage is a(n) _______ stage.

A) sessile
B) reproductive
C) haploid
D) immature

Question 29

Alternation of generations is found in some

A) fish.
B) tapeworms.
C) jellyfish.
D) insects.

Question 30

An adult tapeworm might be found in the intestines of a

A) cow.
B) dog.
C) goat.
D) sheep.

Question 31

A soft body usually enclosed by a hard shell is a characteristic of some

A) mollusks.
B) arthropods.
C) insects.
D) vertebrates.

Question 32

These are free-living, bottom dwelling flatworms found in marine waters, freshwaters or moist terrestrial areas.

A) tapeworms
B) turbellarians
C) flukes
D) protozoans

Question 33

The first organisms to adapt to life on land were the

A) millipedes.
B) invertebrate animals.
C) plants.
D) vertebrate animals.

Question 34

The first animals to adapt to life on land were probably the

A) amphibians.
B) millipedes.
C) reptiles.
D) mammals.

Question 35

The first vertebrates to be able to reproduce on land were the

A) amphibians.
B) insects.
C) reptiles.
D) mammals.

Question 36

All amphibians must return to the water to

A) feed.
B) breathe.
C) reproduce.
D) All of these answers are true.

Question 37

The development of a shelled egg allowed the ____ to become completely adapted to land.

A) mammals
B) insects
C) reptiles
D) amphibians

Question 38

For animals to reproduce on land they needed to use

A) internal fertilization.
B) asexual reproduction.
C) puddles of water.
D) None of the above is correct.

Question 39

The first mammals reproduced by means of

A) an egg.
B) a pouch.
C) a placenta.
D) asexual reproduction.

Question 40

Marsupial animals complete development in

A) a placenta.
B) water.
C) an egg.
D) a pouch.

Question 41

The most common terrestrial animals are

A) birds.
B) reptiles.
C) mammals.
D) insects.

Question 42

Polychaetes are

A) parasites.
B) primarily marine.
C) able to live on land.
D) None of the above is correct.

Question 43

Annelid worms

A) are segmented.
B) only live in the ocean.
C) lack a coelom.
D) All of the above are correct.

Question 44

Where in a host's body do most typical tapeworms live and reproduce?

A) in the bloodstream of the host
B) in the liver
C) in the intestine of the host
D) in the larva

Question 45

Echinoderms

A) are only found in the ocean.
B) have a water vascular system.
C) have radial symmetry.
D) All of the above are correct.

Question 46

Which of the following animals would have a radula?

A) clam
B) starfish
C) jellyfish
D) None of the above is correct.

Question 47

Mollusks have all of the following EXCEPT

A) larvae.
B) foot.
C) mantle.
D) tube feet.

Question 48

Animals with an exoskeleton

A) cannot grow.
B) must molt.
C) have difficulty moving.
D) All of the above are correct.

Question 49

A coelom

A) is located between the outer body wall and the gut.
B) filled with air.
C) only found in vertebrates.
D) All of these answers are true.

Question 50

What is the difference between marsupial and placental mammals?

A) Placental mammals are fully developed before birth. Marsupials are born before they are fully developed and must complete their development in a pouch.
B) Marsupials produce shelled eggs.
C) Placentals nurse their young while marsupials do not.
D) Marsupials do not produce milk and placentals do.

Question 51

Which of the following characteristics is present in all chordates?

A) gills
B) notochord
C) vertebrae
D) All of the above are correct.

Question 52

The many kinds of aquatic animals that are large enough and strong enough to be able to swim against currents and tides and go where they want are referred to as

A) phytoplankton.
B) nekton.
C) benthic creatures.
D) sessile creatures.

Question 53

Arthropods (Crustaceans, spiders, insects, millipedes, centipedes) have this kind of skeleton that surrounds all other organs.

A) endoskeleton
B) exoskeleton
C) bony skeleton
D) cartilaginous skeleton

Question 54

Animals whose bodies are made up of three layers and have many structures in the middle layer are called

A) Triplobastic.
B) Diploblastic.
C) Jellyfish.
D) Sponges.

Question 55

A(n) ____ has a coelom.

A) earthworm
B) flatworm
C) sponge
D) starfish

Question 56

The connective tissues that hold organs in place are called

A) coelom.
B) mesenteries.
C) polyps.
D) gut.

Question 57

These are the simplest animals and are diploblastic, which means that they only have two layers of cells, an outer layer and an inner hollow layer that is involved in gathering food.

A) Mollusca
B) Annelida
C) Jellyfish
D) Arthropoda

Question 58

The clams, oysters, and mussels belong to this group because of the nature of their shells.

A) bivalves
B) slugs
C) chitons
D) radulas

Question 59

Members of this group of animals have the following characteristics: spines on surface; radial symmetry; marine habitats only; tube feet; and water vascular system.

A) Mollusca
B) Annelida
C) Echinodermata
D) Arthropoda

Question 60

____ have no representative organisms that produce amniotic eggs.

A) Mammals
B) Amphibians
C) Reptiles
D) Birds