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Zoology final exam

Total questions: 38

Worksheet time: 19mins

Name
Class
Date
1.

Given that the fused head and thorax make up the Cephalothorax, how many segments do Arachnids have?

a)

2

b)

3

c)

4

d)

8

2.

Wuchereria bancroftii attacks which system of its definitive host's body?

a)

lymbic system

b)

elephantiais

c)

lymphatic system

d)

nervous system

3.

While humans may eat many scallops, what is the greatest natural predator of scallops in marine environments?

a)

crabs

b)

sea stars

c)

lobsters

d)

shellfish

4.

How does one contract Wuchereria bancroftii?

a)

dirty unclean water

b)

elephant feces

c)

fly or mosquito bites

d)

from the soil

5.

The Australian behemoth known as the Giant Earthworm can grow up to:

a)

20 feet

b)

6.1 feet

c)

10 meters

d)

20 meters

6.

It is most likely true that the most common FILARIAL roundworm is the:

a)

pinworm

b)

heart-worm

7.

SiO2 is the make up of certain types of spicules and is more commonly known in Hexactinellida, Demosponges, and Homoscleromorphs, as the substance:

a)

silicon carbonate

b)

calcium carbonate

c)

calcium diixide

d)

silicon dioxide

8.

Given that arthropods are more advanced than annelids, what is unusual about arthropods' systems?

a)

Arthropods have ventral nerve cords

b)

Arthropods have an Open Circulatory System

c)

Arthropods have a closed circulatory

d)

None of the other answers are correct.

9.

Almost all sponges are marine animals.

a)

ture

b)

false

10.

Given the nature of their movements and behavior, how would you characterize squid by choosing one of the terms below?

a)

isolated

b)

loners

c)

territorial

d)

Gregarious

11.

The simplest type of canal system has its choanocytes located only in the spongocoel. This is the body plan known as the _____________ body plan.

a)

Asconoid

b)

Syconoid

c)

Haploid

d)

Leuconoid

12.

An example of a floating hydrozoan colony would be a:

a)

Portuguese Man-O-War

b)

Obelia

c)

Aurelia

d)

Rhopalia

13.

The part of an experiment where only one studied factor is changed is the:

a)

control

b)

dependent variable

c)

independent variable

d)

analysis

14.

The structure below the mouth of the hydra, contained within the tentacular ring, is the:

a)

gastrovascular cavity

b)

basal disc

c)

hypostome

d)

mesoglea

15.

95% of all sponges belong to which class of sponges?

a)

Class Calcispongiae (formerly Calcarea)

b)

Class Demospongiae

c)

Class Homoscleromorpha

d)

Class Hexactinellida

16.

All Cnidarians have multiple layers that make up their bodies. What is the inner layer of Hydra known as?

a)

Endodermis

b)

Dermal Ostia

c)

Mesoderm

d)

Epidermis

17.

If mites and ticks, along with scorpions, share characteristics of spiders, determine which class of Arthropods they all belong to.

a)

Crustacea

b)

Chelicerata

c)

Merostomata

d)

Arachnida

18.

In cnidarians, the morphological body form adapted to a more sedentary or sessile life is the stage in the life cycle known as the:

a)

sessile

b)

polyp

19.

The host which serves as the location for larval development is which host?

a)

Definitive Host

b)

Intermediate Host

c)

Midterm Host

d)

Final Host

20.

What state leads the nation in the infestation of hookworms?

a)

Missouri

b)

Montana

c)

Mississippi

d)

massachussetts

21.

Which of the following is NOT an example of metamorphosis?

a)

A caterpillar turning into a butterfly.

b)

A grubworm turning into a beetle.

c)

A human being going through puberty.

d)

A tadpole turning into a frog.

22.

The class of Arthropods found primarily in the water, but NOT exclusively, is the Class:

a)

Crustacea

b)

Arachnida

c)

Chilopoda

d)

Merostomata

23.

The choanocytes of the largest body plan of sponges are found in what structures?

a)

Spongocoel

b)

Radial Canals

c)

Flagellated Chambers

d)

Leucos

24.

Theories that guide extensive research, due to their being repeatedly supported by previous studies, are known as:

a)

Paradigms

b)

laws

c)

principles

d)

tenets

25.

The class of molluscs that move primarily by pushing forward their large, strong, ventral muscles are in the Class:

a)

Gastropoda

b)

Cephalopoda

c)

Scaphopoda

26.

Which cells, described by some scientists as incipient tissues, surround and protect the body of the sponge?

a)

Archaeocytes

b)

Choanocytes

c)

Spongocytes

d)

Pinacocytes

27.

The idea that all forms of simple, early life from the ocean differentiated into the many forms of life we see on the Earth today is the suggestion inferred by which of Darwin's tenets?

a)

Common Descent

b)

Gradualism

c)

Natural Selection

d)

Perpetual Change

28.

Earthworms and leeches may both be in different classes, but one characteristic they share with each other is:

a)

They both have a single pair of cerebral ganglia

b)

They have bristles which help them hold tight for anchorage.

c)

They reproduce by cross fertilization.

d)

They both have a clearly visible reproductive structure known as the clitellum.

29.

Only one reason for the Annelids' advanced capabilities over previous groups is listed below. Which is it?

a)

Closed and Double Circulatory System

b)

First to have a Ventral Nerve Cord

c)

All of the answers are correct.

d)

Bilateral Symmetry

30.

Of the creatures below, which is a possible definitive host for Taenia saginatum? *****YOU MUST MARK BOTH OF THE CORRECT ANSWERS!!!!

a)

Mountain Lion, Human

b)

Bluebird

c)

Cow

31.

The tiniest, and most dangerous, jellies in the sea are the:

a)

jumanjani

b)

jumangi

c)

irukandji

d)

irridescency

32.

The type of coral reef that is developed geologically when the central island sinks below the ocean, leaving no island in the center, is known as the:

a)

Central Disc Reef

b)

Barrier Reef

c)

Atoll

d)

Fringing Reef

33.

Which of the following organisms does not belong in the same class with the others?

a)

horseshoe crab

b)

hermit crab

c)

lobster

d)

shrimp

34.

Why do we consider nematodes to be pseudocoelomates?

a)

They don't really have any organs inside their cavity wall.

b)

Their organs are completely inside the mesoderm without a cavity.

c)

They have a cavity, but the organs inside are not attached to the cavity wall.

d)

Their organs are in a cavity, but they are attached to the cavity wall. s.

35.

In order for a sponge to take in one ounce of food, a sponge has to take in how much water?

a)

Over10,000 pounds

b)

Over a hundred pounds

c)

over 100,000 pounds

d)

Over a ton

36.

Most roundworms are:

a)

Dioecious

b)

Monoecious

c)

Ectolecithal

d)

Trioecious

37.

The 'flowers of the sea' , or corals and sea anemones are found in the class:

a)

Anthozoa

b)

Scyphozoa

c)

Cubazoa

d)

Hydrazoa

38.

How does Schistosoma enter its final or definitive host, therefore metamorphosing into its sexual, adult stage?

a)

By eating fish

b)

eating undercooked beef

c)

eating undercooked pork

d)

entering into pores of the hosts in the water.