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14 Cards in this Set
- Front
- Back
In order what are the 7 phases of embryonic development in animals
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1) Gametogenesis
2) Fertilization 3) Cleavage 4) Gastrulation 5) Neurulation 6) Organogensis 7) Growth |
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T/F
All cnidarians are aquatic |
True
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True/False
Pseudocoelomates' pseduocoel is derived from the embryonic blastocoel. |
True
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True/False
All sponges are aquatic |
True
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True/Flase
a developing egg's vegetal pole contains mostly yolk |
True
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True/False
All monogenean flukes are parasites |
True
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Animals that have both male and female organs in the same individual are called
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Monoecious
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A taxon is paraphyletic if if
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includes the most recent common ancestor of all members of the group and some but not all of its descendants
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Ataxon is monophyletic if it
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includes the most recent common ancestor of all members of the group and all of its descendants
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The classic Linnaean ranks for animals, from largest to the smallest consist of
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Kingdom
Phylum Order Class Family Genus Species |
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sponges take water in through small pores calleds ________ and expel it through larger pores called ___________
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Ostia and Osculum
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Jellyfish have stinging capsules called _________ inside specialized cells called cnidocytes.
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nematocyst
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Most hydrozoans are polymorphic, with a sessile stage called a ________ and a free-swimming stage called a ________
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medusa
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the opposite of ventral is
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dorsal
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