Invertebrates 1
All invertebrates have no ______________.
backbone
This is the type of symmetry earthworms have.
bilateral
The three sections of an insect.
head, thorax, and the abdomen
How poriferans eat
Filter feeders
An insect's life cycle, which includes changes in body form.
metamorphosis
The four stages of metamorphosis. (In order from earliest to latest stage.)
egg, larva, pupa, and adult
Type of asexual reproduction in sponges
Budding
The resting stage of insect development.
pupa
Animals that have two shells hinged together are called _____________.
bivalves
An example of an animal with exoskeleton
snail
This type of animal has tube feet in its water-vascular system.
starfish
How do we call the appendixes that arachnids use as sense organs?
pedipalps
How many pairs of legs do insects have?
3
The phylum most animal species are found in.
Arthropoda
Tiny bristles an earthworm uses for movement.
chetae
The stinging cells of a hydra or jelly fish.
Cnidoblasts
Name of the tongue in molluscs
Radula
Name the three groups of molluscs
Gastropods, Bivalves and Cephalopods
Respiration in insect is by
Trachea and gills (acuatic)
Starfish have this type of symmetry.
radial
Organisms that have both male and female reproductive structures in the same body are called ___________.
hermaphroditic
Earthworms carry on respiration through this part of their body.
skin
The phylum the brown tube sponge is part of.
porifera
A tube that transports gases inside insects.
trachea
Spicules, collar cells, and flagella are all parts of __________.
sponges