Invertebrate Flashcards
(35 cards)
Animal without a backbone?
Invertebrates
Hard or tough outer covering that provides a frame work of support
Exoskeleton
Internal skeleton creatures are called.
Endoskeleton
Has a endoskeleton and a backbone it is a?
vertebrate
Produces both eggs and sperm in the same body?
Hermaphrodite
When the sperm and the egg combine in the animals body.
Internal Fertilization
When the sperm and egg combine outside the animals body.
External Fertilization
Can be divided on any plane threw the center axis and be equal.
Radial Symmetry
Can be divided into mirror image halves.
Bilateral symmetry
The tendency to concentrate nervous tissues and sensory organs at the anterior end of the animals.
Cephalization
Tissues formed from mesoderm that lines and encloses the organs.
coelom
A fluid filled body cavity that is developed between the mesoderma and the endoderm
Pseudocoelom
Animals that do not have a coelom… Flat worm?
Acoelomate
The mouth developes from the first opening in the gastrula.
Protostome
The anus developes from the first opening in the Gastrula,
Deuterostome
They are attached to stay in one place.
Sessile
Cnidarian tentacles are armed with stinging cells called?
Cnidocytes
is a group of nerve cell bodies that coordinates incoming and outgoing nerve signals
ganglion
The process in when a missing body part can regrow.
Regeneration
Fluid within a closed space that Provides rigid support for muscles to work against.
Hydrostatic Skeleton
A disease that can be cause by eating under cooked wild game and pork.
Trichinosis
The body is pumped out of vessels into open spaces surrounding the organs.
Open Circulatory system
Blood is confined into vessels as it moves through the body.
Closed circulatory system
where food is stored until going to the gizzard
Crop
