In terms of sexual reproduction, how do we call a mother who develops eggs inside of her?
ovoviviparous
Name the 8 classifications of invertebrates
Poriferans (sponges). Cnidarians (polyps and jellyfish). Platyhelminthes (flat worms such as tapeworm). Nematodes (parasites like intestinal worms). Annelids (e
Name at least three body parts of Poriferans
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Explain what is the gastrovascular cavity found in cnidarians & platyhelminths.
They have a gastrovascular cavity used as a stomach. It is connected outside with a hole surrounded of tentacles that is at the same time mouth and anus.
Name the two different forms of cnidarians.
Polyp and Jellyfish
Tapeworm and Planarian are examples of what kind of invertebrate.
Platyhelminthes
Name at least 4 body parts of nematodes.
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Name at least three characteristics of Annelids.
Bilateral symmetry. Body divided up by equal segments. Long and cylindrical body. Terrestrial breathe through skin. Aquatic through gills. Hermaphrodites
Name 4 types of gastropods
snails, slugs, abalones, whelks, sea slugs, conches
Name at least 4 characteristics of bivalves.
two valves to protect body, Bilateral symmetry. Muscular foot used to move and dig. aquatic, live attached to substract,have some filaments bysuss
What are the 4 groups of arthropods?
arachnids, crustaceans, myriapods and insects.
Describe at least 4 body parts of arachnids.
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Name 2 differences between crustaceans and arachnids.
They have mandibles (a difference with arachnids). Covered by hard skeleton. Ten or more legs.
Centipedes and millipedes are examples of what?
Myriadas
Label all parts of the butterfly.
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