Cnidarians And Ctenophores - 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 7 Cnidarians And Ctenophores

✕

Set 7 Cnidarians And Ctenophores

(Multiple Choice)

Free

Digestion in cnidarians is

A)intracellular only.
B)extracellular only.
C)both extracellular and intracellular.
D)none of these

Answer

(Multiple Choice)

Free

Compared to the sponges,the radial animals are much more advanced in their

A)respiratory system.
B)excretory system.
C)nervous system.
D)circulatory system.

Answer

(True False)

Free

The neuromuscular system first evolved in the cnidarians.

Answer