vase-shaped with opening and upward facing tentacles
What is a polyp
100
a diffuse network of neurons that conducts impulses in all directions from a point of stimulus (found in invertebrates and flatworms)
What is nerve net
100
The nematocysts are only found in the epidermis, and the gametes are epidermal and released outside. The mesoglea is acellular
What is Hydrozoa
100
comb jellies
What is ctenophora
200
Having two tissue layers
What is diploblastic
200
organism that is fixed in one place; immobile
What is sessile
200
a neuron found below the epidermis, and is the most primitive
What is a nerve cell
200
The medusa is prominent, and cnidocytes are in the gastrodermis as well as the epidermis. Gametes are gastrodermal.
What is scyphozoa
200
The kind of symmetry they possess
What is biradial symmetry
300
gives rise to epidermis (outter body wall)
What is an ectoderm
300
not involving the fusion of gametes
What is asexual
300
The system of support found in soft-bodied invertebrates, which relies on the incompressibility of fluids contained within the body cavity
What is a hydrostatic skeleton
300
It is colonial or solitary, and lacks a medusa form. The internal mesenteries divide gastrovascular cavity into sections, and gametes are gastrodermal.
What is Anthozoa
300
a cell type found in ctenophores. They are widespread in the tentacles of these animals and are used to capture prey
What is colloblasts
400
gives rise to gastrodermis (gut cavity)
What is an endoderm
400
An umbrella or bell-shaped opening and downward facing tentacles.
What is medusa
400
allows movement of food in/waste out
What is peristalsis
400
Cuboidal, tentacles hang from corners, active swimmers
What is cubozoa
400
a longitudinal line of ctenes on the epidermis of ctenophores. ( Ciliary bands for locomotion)
What is comb rows
500
structure found in primitive animal phyla. One opening,extracellular digestion
What is a gastrovascular cavity
500
having the male and female reproductive organs in separate individuals
What is dioecious
500
The kind of cell that secretes enzymes to digest food
What is a gastrodermal gland cell
500
Does not have a medusa form, and has 8 tentacles around goblet shaped mouth. It can only sexually reproduce, and attaches itself to substrate with adhesive disk
What is staurozoa
500
(also known as mesohyl) the translucent, non-living, jelly-like substance found between the two epithelial cell layers