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Which of the following is a characteristic of the phylum Chordata?


A) They do not have true tissues.
B) They have a gastrula with only two germ layers.
C) They have radial symmetry.
D) They have a notochorD.
E) They have a pseudocoelom.

F) C) and E)
G) A) and B)

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Bats,birds,and dragonflies can all fly.Which of the following groups of animals have some members capable of flight?


A) reptiles,amphibians,and arthropods
B) reptiles and mammals only
C) mammals and arthropods only
D) amphibians and arthropods only
E) reptiles,arthropods,and mammals

F) B) and D)
G) A) and B)

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In the section "Investigating Life: Discovering the 'Fishapod'",Tiktaalik either crawled or paddled in shallow tropical streams about 380 mya,during the late Devonian period.These shallow waters often became anaerobic.What selective advantage did Tiktaalik have under these conditions?


A) It could lift its head out of the water and breathe air through its gills.
B) It could crawl out of the water and walk over to new shallow streams.
C) It could swim better than fish.
D) It could crawl on shore and feed on birds and reptiles that were on lanD.
E) It could lift its head out of the water and breathe air through its lungs.

F) A) and D)
G) B) and D)

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Which of the following were the first vertebrates to appear on land?


A) amphibians
B) non-avian reptiles
C) birds
D) mammals
E) fish

F) None of the above
G) A) and B)

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The embryonic germ layer of tissue in animals that develops into the skin and nervous system is the


A) pachyderm.
B) endoderm.
C) mesoderm.
D) protoderm.
E) ectoderm.

F) B) and C)
G) C) and D)

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Snails and squids belong to the phylum


A) CnidariA.
B) Porifera.
C) Platyhelminthes.
D) Mollusca.
E) Annelida.

F) C) and E)
G) D) and E)

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Which adaptations in fishes enabled vertebrates to thrive on land?


A) limbs only
B) both lungs and limbs
C) lungs only
D) fins only
E) both lungs and fins

F) A) and C)
G) A) and D)

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What caused the diversification of animals?


A) uninhabited habitats
B) unutilized food sources
C) genetic changes
D) All answers are correct.
E) few competitors

F) B) and C)
G) All of the above

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Why are animals important?


A) All answers are correct.
B) provide food sources
C) pollinate plants
D) break down organic matter
E) play role as predators

F) All of the above
G) C) and E)

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The embryonic germ layer of tissue in animals that develops into the digestive tract and organs derived from the digestive tract is the


A) pachyderm.
B) ectoderm.
C) mesoderm.
D) endoderm.
E) protoderm.

F) A) and E)
G) C) and D)

Correct Answer

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The first four-legged vertebrates were


A) amphibians.
B) reptiles.
C) tortoises.
D) lampreys.
E) lungfish.

F) C) and E)
G) A) and B)

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Which of the following is NOT an example of a mammal?


A) dolphin
B) platypus
C) kangaroo
D) penguin
E) whale

F) A) and D)
G) B) and D)

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Corals and jellyfish belong to the phylum


A) PoriferA.
B) Cnidaria.
C) Platyhelminthes.
D) Nematoda.
E) Annelida.

F) C) and E)
G) A) and E)

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Which of the following is NOT a characteristic of echinoderms?


A) They exhibit cephalization.
B) Adults exhibit radial symmetry.
C) Larvae exhibit bilateral symmetry.
D) They have a complete digestive tract.
E) They have spiny skin.

F) C) and E)
G) All of the above

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Sea cucumbers belong to the plant kingdom.

A) True
B) False

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In most species,the female frog lays her eggs directly in the water as a male clasps her back and releases sperm.The fertilized eggs hatch as legless,aquatic tadpoles.Most tadpoles feed on algae and have gills.As they mature,tadpoles develop legs and lungs,lose the tail,and acquire carnivorous tastes.Frogs are in which group?


A) reptile
B) mammal
C) fish
D) amphibian
E) lancelet

F) All of the above
G) C) and D)

Correct Answer

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Which of the following is NOT a characteristic of animals?


A) They have cell walls.
B) They have a developmental stage called a blastula.
C) They are multi-cellular eukaryotes.
D) They are heterotrophs.
E) They secrete and bind to an extracellular matrix.

F) B) and D)
G) All of the above

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Which of the following were the first vertebrates to truly thrive on land?


A) amphibians
B) birds
C) mammals
D) reptiles
E) fish

F) A) and D)
G) C) and D)

Correct Answer

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Chordates include only animals that are vertebrates.

A) True
B) False

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Flukes and tapeworms belong to the phylum


A) Platyhelminthes.
B) Cnidaria.
C) Porifera.
D) Nematoda.
E) Annelida.

F) None of the above
G) B) and D)

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