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Char. Living Things

Raczkowski- Characteristics of Living Things

cell a membrane covered structure that contains all of the material necessary for life
stimulus a change in an organism's environment that affects the activity of an organism
response a reaction due to a change in an organism's environment
hemeostasis maintenance of a stable internal environment
asexual reproduction a single parent produces offspring that are identical to the parent
sexual reproduction two parents produce offspring that share the characteristics of both parents
DNA hereditary material that controls all the activities of a cell
Heredity transmission of characteristics fron one generation to the next
metabolism the sum total of all the chemical activities of an organism
producer organisms that can make their own food
consumer organisms that must eat other organisms to get food
decomposer organisms that get their food by breaking down the nutrients in dead organisms or animal wastes
protein the second most abundant material in a cell
carbohydrate source of energy, made of sugars
lipid include fats and oils
nucleic acid DNA, the blueprint to make proteins
ATP major fuel source for all the cell's activities
spontaneous generation the belief that life just appears
cold-blooded animals that have a body temperature that changes with the environment
warm-blooded animals that have a constant body temperature
multi-cellular more than one-celled organism
uni-cellular one celled organism
Name 3 one-celled organisms hydra, paramecium, amoeba
photosynthesis the process that converts the energy in sunlight to energy in stored food
List the six characteristics of all living things cells, sense and respond to change, reproduce, energy, DNA, grow and develop
Four necessities of living things food, water, air, a place to live
Six elements of living things carbon, oxygen, hydrogen, nitrogen, sulfur, phosphorus
Created by: seagullq