Download Biology 2201 Holy Spirit High School Name: ANSWER KEY Part A

Biology 2201
Holy Spirit High School
Part A: Selected Response (40 Marks)
Use the scantron sheet provided.
Name: ANSWER KEY
1.) What term is given to the back region of an animal with bilateral symmetry?
A) Anterior
B) Posterior
C) Dorsal
D) Ventral
2.) Which of the following modes of reproduction is the most common in a frog?
A) Internal Fertilization, external development
B) External fertilization, external development
C) External fertilization, internal development
D) Internal fertilization internal development
3.) Which animal Phylum shows pentaradial symmetry?
A) Annelida
B) Porifera
C) Platyhelminthes
D) Echinodermata
4.) What is the name of the body cavity that holds the internal organs of higher invertebrates and
vertebrates?
A) Nematocyst
B) Protosome
C) Coelom
D) Septum
5.) What is a pseudocoelom?
A) Digestive track
B) A true body cavity
C) A part of the brain
D) A false body cavity
6.) Which invertebrate has no body cavity and radial symmetry?
A) Cnidaria
B) Echinodermata
C) Arthropoda
D) Nematoda
7.) What germ layer covers a coelom?
A) Ectoderm
B) Endoderm
C) Mesoderm
D) Microderm
8.) Species A produces thousands of eggs during a reproductive cycle while species B produces
between one to ten eggs. Species B has more reproductive success. Why might this be so?
A) Fewer egg production means greater success
B) Species A has more parental care
C) Species A has internal development
D) Species B has internal development
9.) Why is the heart of an amphibian considered to be less efficient than that of osteichthyes?
A) Amphibians are larger than osteichthyes
B) Osteichthyes are more evolutionary advanced than amphibians
C) Osteichthyes have more heart chambers than amphibians
D) There is a mixing of oxygenated and deoxygenated blood in amphibians
10.) Biology is the study of?
A) Animals
B) Plants
C) Life
D) Microorganisms
11.) Which organism has an endoskeleton made of cartilage and bone and a two chambered heart?
A) Crow
B) Frog
C) Rattlesnake
D) Salmon
12.) Members of which phyla are bilateral with a coelom?
A) Annelida
B) Cnidaria
C) Platyhelminthes
D) Porifera
13.) What do phyla Platyhelminthes, Nematoda and Annelida have in common?
A) Asexual Reproduction
B) Bilateral Symmetry
C) Presence of a body cavity
D) Two way digestive system
14.) What are organisms that can produce both sex gametes (egg and sperm) called?
A) Hermaphrodites
B) Gemmules
C) Medusa
D) Polyp
15.) What type of symmetry is a characteristic of echinoderms?
A) Asymmetry
B) Bilateral Symmetry
C) Pentamorous Radial
D) Spherical
16.) What animal group is the most diverse?
A) Porifera
B) Arthropoda
C) Amphibia
D) Reptilia
17.) In which invertebrate phylum is the earthworm classified?
A) Annelida
B) Arthropoda
C) Mollusca
D) Nematoda
18.) In which vertebrate class will you find an organism with a four chambered heart?
A) Agnatha
B) Amphibia
C) Mammalia
D) Ostiechithyes
19.) Which phylum contains organisms that are asymmetrical?
A) Arthropoda
B) Cnidaria
C) Nematoda
D) Porifera
20.) Which organisms are included in the animal kingdom?
A) bryophytes
B) cnidarians
C) fungi
D) tracheophytes
21.) In all fishes which of the following is the primary respiratory organ:
A) Skin
B) Gills
C) Lungs
D) Cecum
22.)
An
A)
B)
C)
D)
organism’s ability
homeostasis
osmosis
diffusion
passive transport
to
maintain
a
constant
23.) Reproduction in reptiles is characterized by:
A)
external fertilization and external development
B)
external fertilization and internal development
C)
internal fertilization and external development
D)
internal fertilization and internal development
internal
balance
is
called:
24.) Fertilization in most fish and frogs is
A)
external.
B)
internal.
C)
external in fishes and internal in frogs.
D)
internal in fishes and external in frogs.
25.) Platyhelminthes do not exhibit
A)
bilateral symmetry.
B)
anterior and posterior ends.
C)
ectoderm, mesoderm, and endoderm layers.
D)
backbones.
26.) If you were designing a key to separate the major groups of invertebrates which would be the best
characteristics to use?
A)
lifestyle,reproduction,symmetry
B)
body cavity, digestion, symmetry
C)
lifestyle, body cavity, symmetry
D)
body cavity, germ layers, symmetry
27.) Which of the following is ways of reproducing is found in birds?
A)
internal fertilization, external development
B)
external fertilization, internal development
C)
external fertilization, external development
D)
internal fertilization, internal development
28.) Animalia is a:
A)
kingdom.
B)
phylum.
C)
genus.
D)
class.
29.) Members of which of the following phyla are bilateral animals with three germ layers and a
coelom?
A)
Nematoda
B)
Mollusca
C)
Porifera
D)
Platyhelminthes
30.) Which of the following is a way of reproducing as found in birds?
A)
internal fertilization, external development
B)
external fertilization, internal development
C)
external fertilization, external development
D)
internal fertilization, internal development
31.) Annelids do not exhibit:
A)
bilateral symmetry
B)
anterior and posterior ends
C)
ectoderm, mesoderm, and endoderm layers
D)
backbones
32.) The simplest animals showing a complete digestive system with two openings and a tube-within-atube body plan are the:
A)
platyhelminthes
B)
nematode
C)
mollusca
D)
reptiles
33.) Which is NOT a reason for the success of insects?
A)
ability to fly
B)
long life cycle
C)
feeding adaptations
D)
high rate of reproduction
34.) The process that is unnecessary to the life of an individual organism but necessary for the continued
existence of that type of organism is:
A)
asexual reproduction.
B)
sexual reproduction.
C)
reproduction.
D)
vegetative reproduction.
35.) A frog in a laboratory is being viewed so that the belly side of the frog is visible. Which view of the
frog is visible?
A)
dorsal
B)
ventral
C)
anterior
D)
posterior
36.) Which of the following is NOT an arthropod characteristic?
A)
exoskeleton
B)
jointed appendages
C)
dorsal heart
D)
closed circulatory system
37.) Which of the following is NOT a distinction between the frog and snake?
A)
shelled eggs
B)
external fertilization
C)
metamorphsis
D)
three chambered heart
38.) The single characteristic that distinguishes birds from all other animals is (are)
A)
feathers
B)
eggs
C)
kidneys
D)
hearts
39.) Fish, frogs, and humans are all examples of
A)
Cnidarians
B)
Annelids
C)
Arthropods
D)
Chordates
40.) A typical characteristic of amphibians is
A)
a two chambered heart
B)
cartilaginous skeletons
C)
the necessity of water for reproduction
D)
internal fertilzation
Part B: Answer the following question. (10 marks)
1.
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

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The phylum Arthropoda is the most biologically abundant and successful group on Earth. List 5
reasons.
Hard exoskeleton
Jointed appendages with segmented body parts
Bilateral symmetry with a small coelom
Possess some well developed systems such as circulatory, respiratory, digestion and
reproduction
Very sociable and many species can fly
High reproductive rate with short reproduction cycles
Adaptations for feeding