Post on 18-Dec-2015
transcript
Chapter 26 – Sponges and Cnidarians B
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Topic 1 Topic 2 Topic 3 Topic 4 Topic 5
FINAL ROUND
Topic 1:
$100 Question
The body symmetry of a cnidarian is
a. radial in the medusa and bilateral in the polyp stages.
b. radial in both the medusa and the polyp sages.
c. bilateral in both the medusa and polyp stages.
d. bilateral in the medusa stage and radial in the polyp stage.
BACK TO GAME
ANSWER
Topic 1:
$100 Answer
The body symmetry of a cnidarian is
a. radial in the medusa and bilateral in the polyp stages.
b. radial in both the medusa and the polyp sages.
c. bilateral in both the medusa and polyp stages.
d. bilateral in the medusa stage and radial in the polyp stage.
BACK TO GAME
Topic 1:
$200 Question
How can an extremely diverse coral reef live in water that contains few nutrients?
a. corals obtain nutrients from the runoff from land.
b. reef-building corals live symbiotically with photosynthetic algae.
c. corals recycle nutrients.
d. fishes maintain the ecological balance of coral reefs.
BACK TO GAME
ANSWER
Topic 1:
$200 Answer
How can an extremely diverse coral reef live in water that contains few nutrients?
a. corals obtain nutrients from the runoff from land.
b. reef-building corals live symbiotically with photosynthetic algae.
c. corals recycle nutrients.
d. fishes maintain the ecological balance of coral reefs.
BACK TO GAME
Topic 1:
$300 Question
Unlike plant cells, animal cells do not have
a. nuclei.
b. organelles.
c. cell walls.
d. cell membranes
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ANSWER
Topic 1:
$300 Answer
Unlike plant cells, animal cells do not have
a. nuclei.
b. organelles.
c. cell walls.
d. cell membranes
BACK TO GAME
Topic 1:
$400 Question
A blastula is a stage in the development of an embryo that consists of
a. a solid ball of cells.
b. a hollow ball of cells.
c. a flat sheet of cells.
d. a folded sheet of cells.
BACK TO GAME
ANSWER
Topic 1:
$400 Answer
A blastula is a stage in the development of an embryo that consists of
a. a solid ball of cells.
b. a hollow ball of cells.
c. a flat sheet of cells.
d. a folded sheet of cells.
BACK TO GAME
Topic 1:
$500 Question
Some biologists believe that sponges evolved
a. from seed plants.
b. as the result of asexual reproduction.
c. independently of all other animals.
d. from hydras.BACK TO GAME
ANSWER
Topic 1:
$500 Answer
Some biologists believe that sponges evolved
a. from seed plants.
b. as the result of asexual reproduction.
c. independently of all other animals.
d. from hydras.BACK TO GAME
Topic 2:
$100 Question
Organisms that spend their entire adult lives attached to one spot are said to be
a. flagellated.
b. symmetric.
c. heterotrophic.
d. sessile.
BACK TO GAME
ANSWER
Topic 2:
$100 Answer
Organisms that spend their entire adult lives attached to one spot are said to be
a. flagellated.
b. symmetric.
c. heterotrophic.
d. sessile.
BACK TO GAME
Topic 2:
$200 Question
The upper side of an organism is its
a. dorsal side.
b. ventral side.
c. anterior side.
d. posterior side.
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ANSWER
Topic 2:
$200 Answer
The upper side of an organism is its
a. dorsal side.
b. ventral side.
c. anterior side.
d. posterior side.
BACK TO GAME
Topic 2:
$300 Question
Muscle tissue exerts force by becoming
a. cooler.
b. warmer.
c. longer.
d. shorter.
BACK TO GAME
ANSWER
Topic 2:
$300 Answer
Muscle tissue exerts force by becoming
a. cooler.
b. warmer.
c. longer.
d. shorter.
BACK TO GAME
Topic 2:
$400 Question
Which of the three cell layers in animal embryos gives rise to muscles and much of the circulatory, reproductive, and excretory systems?
a. endoderm
b. mesoderm
c. protostome
d. ectoderm BACK TO GAME
ANSWER
Topic 2:
$400 Answer
Which of the three cell layers in animal embryos gives rise to muscles and much of the circulatory, reproductive, and excretory systems?
a. endoderm
b. mesoderm
c. protostome
d. ectoderm BACK TO GAME
Topic 2:
$500 Question
Which is NOT associated with sponges?
a. choanocytes
b. medusa
c. spicules
d. gemmules
BACK TO GAME
ANSWER
Topic 2:
$500 Answer
Which is NOT associated with sponges?
a. choanocytes
b. medusa
c. spicules
d. gemmules
BACK TO GAME
Topic 3:
$100 Question
An animal that ha distinct left and right sides shows
a. radial symmetry.
b. bilateral symmetry.
c. segmentation.
d. Several planes of symmetry.
BACK TO GAME
ANSWER
Topic 3:
$100 Answer
An animal that ha distinct left and right sides shows
a. radial symmetry.
b. bilateral symmetry.
c. segmentation.
d. Several planes of symmetry.
BACK TO GAME
Topic 3:
$200 Question
Many small aquatic organisms move oxygen and carbon dioxide through their skin by the process of
a. extracellular digestion.
b. muscular contractions.
c. cephalization.
d. diffusion.
BACK TO GAME
ANSWER
Topic 3:
$200 Answer
Many small aquatic organisms move oxygen and carbon dioxide through their skin by the process of
a. extracellular digestion.
b. muscular contractions.
c. cephalization.
d. diffusion. BACK TO GAME
Topic 3:
$300 Question
When an animal’s environment changes, sexual reproduction improves a species’ ability to
a. react.
b. evolve.
c. increase its numbers rapidly.
d. produce genetically identical offspring.
BACK TO GAME
ANSWER
Topic 3:
$300 Answer
When an animal’s environment changes, sexual reproduction improves a species’ ability to
a. react.
b. evolve.
c. increase its numbers rapidly.
d. produce genetically identical offspring.
BACK TO GAME
Topic 3:
$400 Question
A parasite is a type of
a. vertebrate.
b. detritivore.
c. algae.
d. symbiont.
BACK TO GAME
ANSWER
Topic 3:
$400 Answer
A parasite is a type of
a. vertebrate.
b. detritivore.
c. algae.
d. symbiont.
BACK TO GAME
Topic 3:
$500 Question
The benefit of sponge’s producing gemmules is that gemmules
a. are a form of sexual reproduction.
b. help to filter food for the sponge.
c. defend the sponge against predators.
d. allow the sponge to survive long periods of harsh conditions.
BACK TO GAME
ANSWER
Topic 3:
$500 Answer
The benefit of sponge’s producing gemmules is that gemmules
a. are a form of sexual reproduction.
b. help to filter food for the sponge.
c. defend the sponge against predators.
d. allow the sponge to survive long periods of harsh conditions.
BACK TO GAME
Topic 4:
$100 Question
In jellyfish
a. both polyp and medusa are diploid.
b. both polyp and medusa are haploid.
c. the medusa is diploid and the polyp is haploid.
d. the medusa is haploid and the polyp is diploid.
BACK TO GAME
ANSWER
Topic 4:
$100 Answer
In jellyfish
a. both polyp and medusa are diploid.
b. both polyp and medusa are haploid.
c. the medusa is diploid and the polyp is haploid.
d. the medusa is haploid and the polyp is diploid.
BACK TO GAME
Topic 4:
$200 Question
The nerve cells of cnidarians make up a(an)
a. brain.
b. hydrostatic skeleton.
c. nerve net.
d. ocelli.
BACK TO GAME
ANSWER
Topic 4:
$200 Answer
The nerve cells of cnidarians make up a(an)
a. brain.
b. hydrostatic skeleton.
c. nerve net.
d. ocelli.
BACK TO GAME
Topic 4:
$300 Question
Coral bleaching is a serious ecological threat because it
a. causes corals to overpopulate the area.
b. destroys the beauty of a coral reef.
c. pollutes the water.
d. causes corals to die.BACK TO GAME
ANSWER
Topic 4:
$300 Answer
Coral bleaching is a serious ecological threat because it
a. causes corals to overpopulate the area.
b. destroys the beauty of a coral reef.
c. pollutes the water.
d. causes corals to die. BACK TO GAME
Topic 4:
$400 Question
The class Scyphozoa contains
a. sea anemones.
b. jellyfishes.
c. corals.
d. hydras.
BACK TO GAME
ANSWER
Topic 4:
$400 Answer
The class Scyphozoa contains
a. sea anemones.
b. jellyfishes.
c. corals.
d. hydras.
BACK TO GAME
Topic 4:
$500 Question
Coral reefs occur in areas where there are
a. high levels of sediments.
b. very deep waters.
c. very cool waters.
d. high levels of light.
BACK TO GAME
ANSWER
Topic 4:
$500 Answer
Coral reefs occur in areas where there are
a. high levels of sediments.
b. very deep waters.
c. very cool waters.
d. high levels of light
BACK TO GAME
Topic 5:
$100 Question
In a hydra, the gastroderm and the epidermis are separated by a jellylike
a. mesoglea.
b. body cavity.
c. medusa.
d. mesoderm.BACK TO GAME
ANSWER
Topic 5:
$100 Answer
In a hydra, the gastroderm and the epidermis are separated by a jellylike
a. mesoglea.
b. body cavity.
c. medusa.
d. mesoderm.BACK TO GAME
Topic 5:
$200 Question
A characteristic of cnidarians is that they are
a. found only in warm, tropical waters.
b. named for their body symmetry.
c. attached to a surface throughout life.
d. carnivorous animals.
BACK TO GAME
ANSWER
Topic 5:
$200 Answer
A characteristic of cnidarians is that they are
a. found only in warm, tropical waters.
b. named for their body symmetry.
c. attached to a surface throughout life.
d. carnivorous animals
BACK TO GAME
Topic 5:
$300 Question
In a cnidarian, cells that sense gravity are
a. amoebocytes.
b. cnidocytes.
c. ocelli.
d. statocysts.
BACK TO GAME
ANSWER
Topic 5:
$300 Answer
In a cnidarian, cells that sense gravity are
a. amoebocytes.
b. cnidocytes.
c. ocelli.
d. statocysts.
BACK TO GAME
Topic 5:
$400 Question
Cnidarians have two basic body types, a medusa and a(an)
a. larva.
b. osculum.
c. polyp.
d. tentacle.
BACK TO GAME
ANSWER
Topic 5:
$400 Answer
Cnidarians have two basic body types, a medusa and a(an)
a. larva.
b. osculum.
c. polyp.
d. tentacle.
BACK TO GAME
Topic 5:
$500 Question
Which are the simplest animals to have body symmetry?
a. sponges
b. cnidarians
c. nematocysts
d. algaeBACK TO GAME
ANSWER
Topic 5:
$500 Answer
Which are the simplest animals to have body symmetry?
a. sponges
b. cnidarians
c. nematocysts
d. algaeBACK TO GAME