MIDTERM REVIEW QUESTIONS
BLOCK D
Chapter 32: Introduction to Animals
1. An animal’s ability to move results from the interrelationship between
a. Dermal tissue and vascular tissue
b. Vascular tissue and nervous tissue
c. Nervous tissue and muscle tissue
d. Muscle tissue and ground tissue
2. Cephalization is associated with
a. Bilaterally symmetrical animals
b. Radially symmetrical animals
c. Sponges
d. Hydras
3. A gut is a
a. Structure specialized for gas exchange in water
b. Simple excretory organ of invertebrates
c. Digestive chamber with one opening
d. Digestive tract that runs through the body
4. A hermaphrodite is an organism that
a. Produces only male gametes
b. Produces only female gametes
c. Produces both male and female gametes
d. Does not produce any gametes
5. Body parts formed by the mesoderm include the
a. Lungs
b. Liver
c. Muscles
d. Pancreas
6. Which organism has radial symmetry
a. Beetle
b. Sponge
c. Jellyfish
d. Both beetle and sponge
7. What did the first animals evolve from
a. Protists
b. Colonial protists
c. Viruses
d. Germs
Short Answer:
1. What is a tissue?
2. What are the 3 types of symmetry?
Extended Response:
1. List and define the anatomical terms for the parts of an animal
Chapter 33
1)Adult sponges are sessile which means they
a)
b)
c)
d)
Have no gastrula stage
Attach to a surface and do not move
Use a jellylike substance for body support
Produce both eggs and sperm
2)Choanocytes perform all of the following functions except
a) pumping water into the interior of the sponge
b)engulfing and digesting food that is filtered from the water
c)passing nutrients to amebocytes
d)distributing nutrients throughout the rest of the body
3) what are simple skeletons made up of?
a) spongin
b) spicules
c) Both
d) None of the above
4) Corals exist in a symbiotic relationship with
a) Fungi
B) Algae
c) Hydras
d) Mosses
5. Ctenophores move through the water by
a) Somersaulting
b) Contracting their bell-shaped bodies
c) Beating their cilia
d) Rotating their propeller.
6. An example of a cnidarian in the class hydrozoa is a
a)coral
b) Sea anemone
c) Jellyfish
d) Portuguese man-of-war
7) What does bioluminescence mean?
a) Production of natural light
b) Production of light through chemical reactions
c) Jellyfish
d) Beating cilia
8) List the 3 phyla and 4 classes described in this chapter and an example organism for each.
9) What are the two ways that sponges reproduce? Give an example for both.
10) Describe the life cycle of a jellyfish asexual and sexual.
Chapter 34
1. What kind of Symmetry do flatworms have?
A) Radial
B) Bilateral
C) Middle
D) Asymmetrical
2. Planarians are in what class?
A) Ctenophora
B) Turbellaria
C) Flatworm
D) Roundworm
3. What is the function of Celebrial Ganglia.
A) Respiratory system
B) Eye sight
C) Two clusters of nerves cells at the anterior end
D) Control the tail
4. What phylum are roundworms in?
A) Nematoda
B) Felines
C) Trematoda
D) Rotifera
5. What do the Flame Cells do in a planarian?
A) Helps diffuse water through their skin
B) Wag their tail
C) Control their eyespots
D) Brings in the excess water and excretes it through several pores
6.What worm causes Elephantitis?
A) tape worm
B) Earth Worm Jim
C) filarial Worm
D) Flatworms
7. What is a Cyst?
A)A dormant larvae surrounded by protective covering and animal muscle.
B) A live worm that uses cilia
C) A disease of the liver that causes cancer
D) A mosquito bite
8. Name 2 of the 4 places endoparasites live.
Answer) They live in the blood, intestines, lungs, and liver.
9. What are some symptoms of swimmers itch?
Swimmer’s itch can cause minor skin irritation and swelling.
10. Parasitic flatworms have life cycles that include primary and intermediate hosts.
Part A. Distinguish between primary and intermediate hosts in flatworms.
Part B. Sequence the life cycle of a beef tape worm. Indentify the primary and
intermediate host.
Chapter 35
1. Mollusks in the class Gastropoda
A. Lack a distinct head
B. Have an open circulatory system
C. do not have a hemocoel
D. are usually sessile
2. Bivalves have all of the following structures except
A. Radula B. adductor muscles C. siphons D. gills
3. An Earthworm uses its setae to
A. Grip the soil surface
B. Contract in a circular direction
C. contract in a longitudinal direction
D. form a protective case for its eggs
4. One difference between leeches and polychaetes is that leeches
A. Do not have segments
C. have parapodia
B. Do not have setae
D. are never carnivores
5. What is a benefit of earthworm activity?
A. fertilize soil
C. returns nutrients to soil
B. decompose leaves
D. all of the above
6. What allows leeches to be able to hold 6X its body weight in blood?
A. Anticlotting
c. digest very fast
B. Expand
D. store it as fat
7. What is the main region of a typical mollusk‘s body.
A. Head-foot
C. visceral mass
B. Gills
D. both A and C
Short Answer:
8. What is one advantage of a true coelom over a pseudocoelom?
9. What are setae?
Extended Response:
10. Why do oysters make pearls?
Chapter 36 & 37
1. What functions does the exoskeleton of an Arthropod perform?
a. food
b. protection
c. produce gametes
d. reproduction
2. What working excretory organ excretes water and wastes in crayfish?
a. trachea
c. book lungs
b. green glands
d. coxal glands
3. What causes a arthropod shed its skeleton?
a. hormones
c. enzyme induced
b. pressure
d. all of the above
4. Where does a crayfish have its teeth?
a. stomach
c. green gland
b. mandible
d. compound eyes
5. What are the major respiratory organs of spiders?
a. tracheae
c. book lungs
b. none of the above
d. both a & c
6. What are an insect’s legs and wings attached to?
a. abdomen
c. thorax
b.head
d. gills
7. What type of bee performs all the duties in the hive except reproduction
a. queen
c. drone
b. worker
d. royal jelly
Short answer
8. What is altruistic behavior?
9. What are the three distinctive types of honeybees?
Extended Response
10 Explain and give examples of all the ways insects can communicate.
Chapter 38
1. What class does the Sea Star belong to?
A. Class Crinodea
B. Class Ateroidea
C. Class Echonoidea
D. Class Ophiuroidia
2. Which od the following types of symmetry is characteristic of echinoderms?
A. Biradial
B. Bilateral
C. Pentaradial
D. Pentalateral
3. How many different arms can Feather Stars have?
A. 450
B. 27
C. 320
D. 200.
4. Sexual Reproduction among sea stars usually involves
A. Separate sexes and internal fertilization.
B. Separate sexes and external
fertilization
C. Hermaphrodites and internal fertilization.
fertilization.
D. Hermaphrodites and external
5. One characteristic that is found only in echinoderms is
A. A nerve net.
B. The presence of only two tissue layers during
development.
C. A water-vascular system.
6. What class are Brittle stars in?
A. Class Ophiuroidea.
C . Class Bivalvia.
D. An Endoskeleton.
B. Class Cephalopoda.
D. Class Asteroidea.
7. Where are the eggs located in a female Sea Star?
A. Arms.
B. Attached to a sack outside of it.
C. Tube Feet.
D. Anus.
Short Answers:
1. What do the larvae of echinoderms indicate about the evolution of them?
2. How do sea stars reproduce sexually?
Extended Response
What is the pathway that the food and waste travel through in sea star? Also explain
the difference between the tube feet and then sensory tentacles located on the arms.