Soft bodies
Mollusca
Have no symmetry and are the simplest of invertebrates
sponges
It can be divided into more than one imaginary plane to produce equal halves
radial
The name for nerve cells in the head is
cephalization
The Kingdom
Animalia
Spiny Skin
Echinodermata
Coral reefs are made up mostly of animals in this phylum
cnidarians
It can be divided by only one imaginary plane to produce equal halves
bilateral
Hydra reproduce by what type of asexual reproduction
budding
Domain
Eukarya
Jointed feet
Arthropoda
What organism from our lab has both male and female reproductive organs
annelida
anterior and posterior refers to organisms with what type of symmetry
Bilateral
The type of fertilization where a sperm and egg meet outside of the organism
external
Bristles on earthworm are called
setae
Platyhelminthes
Flat worms
Scallops are members of what phylum and class
Mollusca and bivalva
digestive chamber with one opening for food and waste
gastrovascular cavity
Butterflies experience a complex change from egg to larva to pupa to adult. This is called
Complete metamorphosis
Nematoda name
round worms
Cnidaria
stinging cells
Structure in Annelids where a mucus ring is secreted to aid in fertilization of an egg and sperm
clitellum
How do members of Porifera reproduce
sexual and asexual
Hydras have stinging cells known as
nematocysts
Clams, snails and octopus are all members of this phylum
Mollusca