introduction to animals vocab Flashcards
symmetry
equal on both sides of the midline
asymmetry
not equal on both sides of midline
radial symmetry
circular- equal everywhere, no front, no back
bilateral symmetry
two lateral sides, mirror images
has anterior and posterior
study of tissue layers
embryology
three tissue layers
triploblastic
develops in embryo
three tissue layers
endoderm, mesoderm, ectoderm
outside layer
ectoderm
middle layer
mesoderm
inside layer
endoderm
no body cavity
acelomate
acelomate
no body cavity
pseudocoelomate
fake body cavity
colomate
true body cavity
fake body cavity
pseudocoelomate
true body cavity
colomate
seven functions all animals must preform
feeding, respiration, internal transport, excretion, responce, movement, reproduction
respiration
products of cellular respiration must be brought in and out of animal
excretion
removes nitrogenous waste from cellular metabolism
responce
keeps track of environment
movement
needed in all mobile environments
uses muscles and skeleton
reproduction
for continuation of species
herbivore
plants
carnivore
animal eater
filter feeder
strains from water
detritus feeder
decaying matter
small/slow internal transport
diffusion through skin
respiration while in a moist environment
diffusion through skin
respiration in large animals
through gills or lungs
respiration in small animals
diffusion through skin
organs that help with responce
sense organs, nerve cells, ganglia, brain
external fertilization
broadcast fertilization
broadcast fertilization
external
internal fertilization
egg layers, live birth
egg layers, live birth
internal fertilization
