Vertebrate Beginnings The Chordates - Animal Diversity | Biology+

Course

Animal Biology

Study Pack

Set 1: Science of Zoology and Evolution of Animal Diversity

Set 2: Animal Ecology

Set 3: Animal Architecture

Set 4: Taxonomy and Phylogeny of Animals

Set 5: Unicellular Eukaryotes

Set 6: Sponges: Phylum Porifera

Set 7: Cnidarians and Ctenophores

Set 8: Acoelomorpha, Platyzoa, and Mesozoa: Flatworms, Gastrotrichs, Gnathiferans, and Mesozoans

Set 9: Polyzoa and Kryptrochozoa: Cycliophora, Entoprocta, Ectoprocta, Brachiopoda, Phoronida, and Nemertea

Set 10: Molluscs

Set 11: Annelids and Allied Taxa

Set 12: Smaller Ecdysozoans

Set 13: Arthropods

Set 14: Chaetognaths, Echinoderms, and Hemichordates

Set 15: Vertebrate Beginnings: the Chordates

Set 17: The Early Tetrapods and Modern Amphibians

Set 18: Amniote Origins and Nonavian Reptiles

Set 20: Mammals

Set 15 Vertebrate Beginnings The Chordates

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Set 15 Vertebrate Beginnings The Chordates

(Multiple Choice)

Free

The development of a _____________ life style by the early vertebrates is believed to have been key in the success of this group.

A)symbiotic
B)predatory
C)herbivorous
D)scavenging

Answer

(Multiple Choice)

Free

Vertebrate animals have

A)an endoskeleton.
B)a notochord at some stage of the life cycle.
C)a ventral heart.
D)all of these

Answer

(Multiple Choice)

Free

The perforated pharynx of chordates had an ancestral function for

A)support.
B)respiration.
C)filter-feeding.
D)all of the above

Answer