Animal video Flashcards
Animal characteristics (6)
multicellular
eukaryotic
specialized cells, usually arranged in tissues
heterotrophs
internal digestion
mostly motile
Radial symmetry, and what it allows
two planes divided in similar portion
can respond to environment in many directions
advantages of bilateral symmetry
allows movement to go forward easily
cephalization, and why it is useful
nervous system tissue is concetrated in the head region
sensing organs are found in the same area
What are triploblastic animals separated
protostome and deuterostome
Protostome blastopore
mouth blastopore
triploblastic and germ layer names
three germ layers that develop into different structures
ectoderm
mesoderm
endoderm
true coelem, and what does it allow`
body cavity derived from a mesoderm filled with fluid
provides shock absorption, cushioning, and space for organ development
Where is Porifera found (2), how does it move, what kind of body does it have, how does it digest, what does it lack (3), what kind of symmetry, cephalization, and coelem
aquatic
mostly saltwater
sessile
porous body for diffusion
intracellular digestion
no gut, tissue, or organs
no symmetry, sometimes radial
no cephalization or ceolem
Where is cnidaria found, type of body, how it digestion, body form, how it hunts, symmetry, cephalization, and coelem
aquatic
salt and fresh
mouth/anus as one gut opening
intracellular and extracellular digestion
polyp and medusa form
cnidaria for sting prey
radial symmetry
no cephalization or true coelom
Where is Platyhelminthes found, how does it feed, type of gut, symmetry, cephalization, coelem, and type of development
aquatic
fresh, salt, and terrestrial
parasitic
one gut opening
bilateral symmetry
cephalization
no true coelom
protostome
Examples of nematodes, what it does to the environment (4), size, type of gut, where it is found, type of symmetry, cephalization, coelem, and type of development
hookworms and pinworms
crop infestation, parasite, soil ecology, lab study
small
two gut openings of mouth and anus
aquatic, fresh, terrestial
bilateral symmetry
cephalization
pseudocolem
protostome
Where is Mollusca found, what do most have (3), type of symmetry, cephalization, coelem, and type of development
salt, fresh, terrestrial
most have shell
have radula to feed
muscular foot
bilateral
cephalization
coelom
protostome
Examples of annelids, where it is found, type of body (3), type of symmetry, cephalization, coelem, and type of development
earthworms, leeches, tubeworms
salt, fresh, terrestrial
segmented body
external rings
setae- to move and anchor
bilateral
cephalization
true coelom
protostome
Where are arthropods found, body (3), life cycle, type of symmetry, cephalization, coelem, and type of development
fresh, salt, terrestrial
jointed appendage
segmented bodies
tough, exoskeleton
some have metamorphosis to allow different life stages to have different resources
bilateral
cephalization
true coelom
protostome
