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science finale exam
| Question | Answer |
|---|---|
| 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
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