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Eleventh Grade (Grade 11) Zoology Questions

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Grade 11 Zoology
Which is a characteristic of the echinoderms?
  1. bilateral symmetry
  2. pharyngeal gill slits
  3. internal skeleton of calcified plates
  4. a well-developed brain
Grade 11 Zoology
What is the function of the ocelli found on the perimeter of a medusa's bell?
  1. The ocelli are where gametes are produced.
  2. The ocelli are able to detect changes in water pressure.
  3. The ocelli can detect different intensities of light.
  4. The ocelli can be used to trigger the cnidocytes to fire when prey approaches.
Grade 11 Zoology
Which factor is a requirement for an organism's survival?
  1. oxygen
  2. energy
  3. pressure
  4. soil
Grade 11 Zoology
How do arthopods reproduce?
  1. only sexually
  2. only asexually
  3. neither sexually or asexually
  4. mostly sexually, but some species may reproduce asexually through parthenogenesis
Grade 11 Zoology
Which trait is NOT common among the protostomes?
  1. anterior brain
  2. dorsal nervous system
  3. bilateral symmetry body plan
  4. development of a mouth from a blastopore
Grade 11 Zoology
Which is NOT a characteristic of deuterostome animals?
  1. radial cleavage
  2. three germ layers
  3. more species than protostomes
  4. a blastopore that becomes an anus
Grade 11 Zoology
All these organisms have bilateral symmetry EXCEPT the
  1. squids.
  2. lobsters.
  3. sea cucumbers.
  4. clams.
Grade 11 Zoology
In what area are Navanax most commonly found on?
  1. mudflats
  2. reefs
  3. shore
  4. seamounts
Grade 11 Zoology
Which has NOT been a major part of protostome evolution?
  1. segmentation of the body cavity
  2. parasitism and complex live cycles
  3. improved mechanisms for locomotion
  4. mechanisms for ingesting large prey
Grade 11 Zoology
A ruminant
  1. has a long digestive tract.
  2. is a carnivore.
  3. lacks hair.
  4. is found only in omnivores.
Grade 11 Zoology
Which statement is true regarding the three subclasses of mammals?
  1. Monotremata are mammals that lay eggs.
  2. Metatheria are mammals that have pouches in which to carry their young.
  3. Eutheria are mammals that carry the unborn within the uterus until later stages of development.
  4. Eutheria are mammals that live in aquatic ecosystems.
  5. a, b, and c
  6. a, b, c, and d
Grade 11 Zoology
Animals with radial symmetry are
  1. herbivores.
  2. omnivores.
  3. carnivores.
  4. decomposers.
Grade 11 Zoology
Which marine organism holds the potential for immortal life?
  1. turtle
  2. shark
  3. jellyfish
  4. crab
Grade 11 Zoology
What part of jellyfish is able to produce toxins?
  1. mesoglea
  2. tentacles
  3. mouth
  4. gonads
Grade 11 Zoology
Besides the echinoderms and chordates, which other clade comprises the deuterostomes?
  1. vertebrates
  2. cephalochordates
  3. hemichordates
  4. urochordates
Grade 11 Zoology
Ships and boats in the ocean become more and more important for jellyfish to thrive. One reason for the phenomenon is that
  1. jellyfish settle and grow their sperm on them.
  2. they bring extra food to jellyfish.
  3. they stir up the water to regulate the temperature.
  4. they provide shade so that jellyfish do not get sun burned.
Grade 11 Zoology
Which group of crustaceans looks similar to the mollusks superficially?
  1. isopods
  2. decapods
  3. copepods
  4. barnacles
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