chp1: characteristics and classification of living organisms Flashcards
what is MRS GREN?
M: movement R: respiration S: sensitivity G: growth R: reproduction E: excretion N: nutrition
what are arthropods and vertebrates?
arthropods has no back bone, vertebrates has backbones.
name the five types of vertebrates.
fish, birds, mammals, reptiles, amphibians
characteristics of insects?
three pairs of legs
three part body
pair of antennae
characteristics of arachnids?
four pairs of legs
no antennae
two body segments
characteristics of crustaceans?
has a hard exterior
more than four pairs of legs
characteristics of myriapods?
many legs
two body sections
simple eyes
four types of arthropods?
insects
myriapods
arachnids
crustaceans
the five animal kingdom
bacteria/prokaryotic animals fungus protoctist plants
define species
a group of organisms that can reproduce and produce fertile offspring.
does flowering plants require water for fertilization?
no.
difference between prokaryote cells and eukaryote cells?
prokaryote cells has no nucleus, eukaryote has nucleus.
cell wall material for bacteria?
peptidoglycan
cell wall material for protoctist?
cellulose
cell wall material for fungus?
chitin