Invertebrates Flashcards
how much of a percentage are Beatles of invertebrates?
99%
what are ecdyozoa?
growing by molting
what is the hormone for shedding?
Ecdysone
what does choano mean?
collared
what is a single cell organism
one cell copying itself over and over again
what is a multicellular organism
cell copying itself and develops individually as a whole
we all come from what ancestor
protist
how did we evolve from protist
through individuality
what moves the water current in sponges
flagellum
formes the channels through which water enters the epidermis
porocytes
transports nutrients in the sponge
amoebocyte
where collected food sticks
collar
how do the jellyfish cells get nutrients
the nutrients diffuse from one cell to the next
what is the adaptive value having an anus and mouth
2 holes make eating/digestion faster
what type of blade does a jellyfish have and why
downward faced harpoon because it is harder to get out and is embedded
how does a jellyfish sting?
group that contains acoelomate
lophotrocozoa
group that contains acoelomate
lophotrocozoa
what are flatworms
acoelomates
what are flatworms
acoelomates
what groups are in lophotrocozoa
flatworms
mollusks
annelids
second most diverse species
mollusks
segmented worms
annelids
what is the epidermis of the mollusks that secretes the shell
mantle
