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There are three major classes of Cephalopods. Which of the following is a Cephalopod?
a. Squid
b. Conch
c. Clam
d. Snail

Which type of Cnidarian body plan is less motile?
a. larvae
b. worm
c. Polyp
d. medusa

What moves the Gastric Mill?
A. wings
B. tendons
C. ligaments
D. muscles

What are the structures called where blood enters the heart?
A. artia
B. ostium
C. arteries
D. veins

Where is food ground up?
A. pyloric stomach
B. gastric stomach
C. gizzard
D. crop

What provides the major force for backward swimming?
A. uropods
B. chelopeds
C. telson
D. rostrum

What muscle causes the mandibles to come together?
A. mandibular adductor muscles
B. mandibular chewing muscles
C. abdominal flexor muscles
D. all of the above

What covers the Brachial Chamber?
A. carapace
B. rostrum
C. uropods
D. telson

What organs excrete excess Water and Ammonia?
A. rostrum
B. green glands
C. malpighian tubules
D. chelipeds

Where does the female store sperm until she lays her eggs?
A. seminal vesicle
B. uterus
C. seminal receptacle
D. vagina

What are the first pair of walking legs called?
A. stilters
B. swimmerets
C. pleopods
D. chelipeds

The male genital opening is located at the base of which pair of walking legs?
A. first
B. third
C. fifth
D. seventh

The female genital opening is located at the base of which pair of walking legs?
A. first
B. third
C. fifth
D. seventh

How many pair of uropods does a crayfish have?
A. one
B. two
C. three
D. four

What is the posterior-most extension of the last body segment called?
A. telson
B. uropods
C. rostrum
D. carapace

What are the telson and Uropods used for?
A. forward swimming
B. food gathering
C. pollen collection
D. rapid backward motion to escape

What name is given to the paired appendages of the abdomen?
A. chelipeds and swimmerets
B. swimmerets and antennae
C. swimmerets and uropods
D. uropods and pleopods

What is the name of the groove between the head and the thorax called?
A. oral groove
B. cephalic groove
C. terminal groove
D. expulsotory groove

What covers the Cephalothorax
A. carapace
B. rostrum
C. gill plate
D. gastric mill

What is the sharp front extension of the carapace called?
A. cheliped
B. rostrum
C. antennae
D. swimmeret

Name 2 different kinds of sensory organs of the crayfish.
A. antennae and eyes
B. legs and uropods
C. rostrum and eyes
D. eyes and legs

Which appendages are used for defense and food handling?
A. rostrum
B. antennae
C. walking legs
D. chelipeds

How many pair of swimmerets does a crayfish have?
A. 2
B. 3
C. 5
D. 7

How many pair of walking legs does a grayfish have?
A. 1
B. 2
C. 3
D. 4

Which swimmerets are adapted for sperm transfer in the male crayfish?
A. the first 2 pair
B. the last 2 pair
C. the first and last pair
D. all of them

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Solution Summary

Regarding general animal biology questions, this solution provides assistance with a multiple choice exercise, including links for further research.

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Question 31
How many phosphate groups are attached to ATP?
a. 5
b. 3
c. 2
d. 1

Question 32
The structural building block of matter is the _____:
a. Species.
b. Molecule.
c. Cell.
d. Atom.

Question 33
Which of the following is true of fermentation?
a. Animals can produce alcohol by fermentation.
b. Animals produce lactic acid by fermentation.
c. Humans can survive for long periods of time on fermentation.
d. Humans cannot ever perform fermentation.

Question 34
Which molecule is made in the nucleus, but exists to function in the cytoplasm?
a. Chromosome.
b. Protein.
c. MRNA.
d. Gene.

Question 35
What causes sickle cell anemia?
a. Complete lack of hemoglobin.
b. A form of hemoglobin that coalesces into crystals in cells.
c. An extra X chromosome that results in production of too much hemoglobin.
d. A single celled parasite transmitted by a mosquito.

Question 36
The function of the nucleus is to:
a. Contain and replicate DNA.
b. Contain the cytoplasm.
c. Produce proteins.
d. Add sugars to proteins.

Question 37
What condition is caused by a dominant allele of a single gene?
a. Down Syndrome.
b. Sickle cell anemia.
c. Huntington disease.
d. Color blindness.

Question 38
What is the most common way of introducing recombinant DNA into bacterial cells?
a. Viral vectors.
b. PCR.
c. Transformation.
d. Gel electrophoresis.

Question 39
The seeds in a pod of one of Mendel's pea plants are:
a. Produced only when a plant is cross-fertilized.
b. Genetically identical to each other, but different from other peas in other pods.
c. Produced only when a plant is self fertilized.
d. Each the result of a separate fertilization event.

Question 40
The theory of spontaneous generation was proven to be untrue by which scientist?
a. Einstein.
b. Watson.
c. Pauling.
d. Pasteur.

Question 41
How are the products of meiosis different from the products of mitosis?
a. Mitotic products are gametes.
b. Mitotic products are always haploid.
c. The products of a meiotic division are genetically identical to each other.
d. Meiotic products are gametes.

Question 42
What is considered a black box in biology?
a. Various cellular organelles.
b. Any of number of expensive automated scientific machines.
c. Processes where we know only input and output.
d. An old camera.

Question 43
Watson and Crick's model of the structure of DNA was published in:
a. 1953
b. 1961
c. 1923
d. 1949

Question 44
Currently there is a controversy over whether which of the following organisms is a direct descendant of the dinosaurs?
a. Snakes.
b. Lizards.
c. Birds.
d. Frogs.

Question 45
Which type of gene, or gene combination, can be present in a generation without affecting phenotype?
a. Dominant.
b. Heterozygous recessive.
c. Homozygous recessive.
d. Recessive.

Question 46
"Dolly" or another reproductively cloned animal is a clone of
a. Bacteria that were used to generate the recombinant DNA in the animal.
b. An adult animal that contributed DNA to a denucleated egg.
c. The animal that donated the egg from which the clone developed.
d. A human that contributed genes to the recombinant DNA in the animal.

Question 47
Deserts get hot during the day and cold at night. Which of the following could explain this phenomenon?
a. There are no trees in the desert to provide shade.
b. There is little water in the desert.
c. Deserts exist on portions of the earth that are closer to the sun.
d. The sun shines longer during the day in the desert.

Question 48
A female is not color blind, but half her sons are. Her daughters are not color blind. Which conclusion is correct?
a. The father is color blind.
b. The father is not color blind, but is heterozygous for the color blindness gene.
c. The woman is heterozygous for the color blindness gene.
d. Color blindness is dominant.

Question 49
Isotopes are atoms of the same atom that differ in their:
a. Number of electrons.
b. Number of neutrons.
c. Number of protons.
d. Number nuclei.

Question 50
What type of cell molecules form cartilage and hair, can be hormones or transporters, and act as enzymes?
a. Centrosomes.
b. RNA.
c. Proteins.
d. Ribosomes.

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