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science finale exam

what are fossils? remains of an orgamism that lived in the past
fish that do not have jaws or scales tawless fish
purpose of a fish swim bladder helps stabalize the fish at different level in the water
life cycle of a frog egg, tadpole, hind leg, adult leg, adult frog
type of gas that moves into the lungs and blood stream oxygen
type of gas that moves out of the lungs and blood stream carbon dioxide
3 adaptation that help reptiles conserve water eggs, skin, kidneys
the word Amphibian means a cold blooded, smoothed skin vertabrate
difference between ectothermic and endothermic ecto body temperature changes with environment vs endo does not change w? environment
Difference between invertebrate and vertebrate no vertabrate and vertabrate
Chambers of a fish 2
chamber of an amphibian 3
chambers of a reptile 3
molars teeth aling w/ premolars grind food
insulator does not conduct heat well, helps heat escape
species a group of similar organisms
monotreme a mammal that lays eggs
territory occupied by an animal or group of animals
lift upward force
contour feathers helps give shape to the birds body
down feathers short, fluffy helps trap heat
placenta membrane the link between the developing embryo to the mother
marsupial whose young are born alive at an early stage of development
mammary gland organs that produce milk, mammals give off this milk
circadian rhythm behavior cycle that occurs over a period of a day
society a group of closely related animals
behavior actions an animal performs
conditioning process of learning to connect stimulus w/a good or bad event
connective tissue provides support
ball - socket joints feels certain motions, located in your shoulder
osteoporosis a condition in which the body's bones become weak and break easily
heart major organ of the circulatory system
red blood cells contains hemoglobin to carry oxygen
arteries vessel carries blood cells away from the heart
veins vessels carry blood to the heart
hypertension term for high blood pressure
platelets blood fragment that forms clots
plasma liquid part of blood
fibrin protein that forms a net of tiny fibers to help w/ clotting
white blood cells type of blood cells that fights disease
dendrite thread like extension of neuron that carries nerve impulses toward the cell body
nerve impulse message carried by a neuron
sensory neuron picks up stimuli from internal or external environment and converts it to a nerve impulse
motor neuron neuron that sends an impulse to a muscle
synapse tiny space between the end of an axon and the structure
cerebellum part of the brain that coordinates and helps maintain balance
central nervous system made up of the brain and spinal cord
brain controls most functions i the body
spinal cord thick column of nerve tissue closed enclosed by the vertabrate
cerebrum part of the brain the interprets input from the senses
reflex automatic response that occurs very rapidly
interneuron neuron that carries an impulse from one nerve to another
organ system circulatory system, digestive system, endocrine system, excretory system
homestasis an organisms internal enviornment is kept stable in spite of the changes of the external enviornment
invoulunatary muscles muscles that are not under consious control
voluntary muscles muscle that are under consious control
epidermis the outermost layer of skin
dermis lower layer of skin
ligament strong connective tissue that holds together the bones in a movable joint
smooth muscles involuntary muscles found in many internal organs
skeletal muscles muscles that are attached to the bones
striated muscles involuntary muscles that doesn't get tired
cancer an uncontrollable growth of cells
pore opening stretching where sweat reaches the surface of skin
follicle structure in the dermis where a strand of hair grows
cardiac muscle muscle only on the heart
Created by: marieno