These are sponges that are sessile and asymmetrical
and are made up of collagen and sphericals
can regenerate and are hermaphrodites
these have 2 body types and only one opening
1 type of cnidarian that is a sessile hydra
1 type of cnidarian that is motile and is a jellyfish
can perform both asexual and sexual reproduction (process called budding), possess cnidocytes (stinging cells) and has a nervous system (nerve net)
have a sac gut
the only invertebrate with radial symmetry
are Platyhelminthes that are parasites (found in host cells)
have a central/advanced nervous system,an eye spot, bilateral structure and are hermaphrodites
sexual reproduction only
2 openings (complete digestive tract)
esophagus, pharnyx, crop & gizzard
with 2 openings
closed circulatory system (and have a heart)
ventral nerve cord
have sensory antennae (more advanced nervous system)
crabs and insects:
have an exoskeleton made of chitin (for support)
has 3 separate body regions: head, thorax and abdomen
has book lungs and external gills with an open circulatory system
which type has an eyespot?
which type has a closed circulatory system?
which type has an open circulatory system?
which were the first to become motile?
which type has stinging cells?
· Heterotrophs (never photosynthetic)
· Sexual Reproduction
· Gas exchange
· Inverts- verts (no backbone)
everything has bilateral symmetry EXCEPT?
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