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Chap 16
Kingdom Animalia
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Kingdom animalia
part of domain
eukarya
Animal attributes
heterotrophic
made of
eukaryotic cells
no
cell walls
multicellular
body plan
arrangement of
physical features
that contribute to
structure
and form
bilateral symmetry
can be divided by a
plane
through its center to create
mirror images
radial symmetry
have no left and right sides and can be divided by a
plane
through their center in several places to form
mirror images
no symmetry
asymmetrical
Animal Attributes
Nutrition
Support
Respiration
Reproduction
Circulation
Movement
nutrition
all animals need
food
for
growth
and energy
how do animals get nutrients?
ingestion
of food
breaking down food by
digesting
egesting
waste products
excreting
nitrogenous waste produced during digestion through urinating
respiration
animals need to
exchange gases
in order to keep
life processes going
they have organs for inhaling air and
exhaling carbon dioxide
as a
waste product
circulation
animals transport
materials
through their bodies to get
nutrients
to where they're needed (e.g. blood)
movement
animals have
locomotion
using appendages, some are
sessile
support
animals have no
cell walls
, therefore they need
skeletons
hydrostatic skeleton
some aquatic animals use their
watery
environment to fill cavities in their body for
support. collagen
is an important part
endoskeleton
skeleton inside the body
exoskeleton
stiff outer
covering
reproduction
animals can reproduce their own kind
sexually
,
asexually
,or both
invertebrates
no backbone
cover
30 phyla
97
% of animals
vertebrates
have
backbone
phylum chordata
endothermic
uses metabolism and
complex internal systems
to maintain homeostasis and regulate temperature
have
insulating layer
(e.g. feathers)
different temperature with their
environment
ectothermic
uses
behavior
to regulate temperature
body temperature is
near
to environment temperature
cold
blooded
torpor
a temporary hibernation, both ecto and
endothermic
animals slow down bodily processes to drop
temperature
and escape extreme temperatures
zygotes
undergo division to form a ball of cells called
blastula
blast pore
a bunch of hole where cells from the wall of
blastula
go through to get inside of
blastula
what is formed because of the inward movement of cells into the blastula?
germ layers
germ layers
layers of cells that influence the structure and processes of the body
germ layers
ectoderm
mesoderm
endoderm
ectoderm
forms
outer layer
including
outer covering
and related systems
mesoderm
middle
layer,
muscle
and
circulatory
system
endoderm
inner
layer, forms
digestive track
radial animals
2-3
germ layers
bilateral animals
3
germ layers, have
cephalization
cephalization
concentration of sensory and nerve cells
(e.g. mouth at
head
,
anus
at rear end)
external fertilization
egg is fertilized outside of mother's body
internal fertilization
egg is fertilized inside of mother
oviparous
zygote
develops in an
egg
ovoviviparous
zygote
develops inside an
egg inside of mother's body
viviparous
develops
inside
of
mother's womb
behavior
ways an animal responds to
environment
instinct
built-in response
to the environment
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