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LivingNLDead

TermDefinition
Need of all living organisms. 1. Food for energy 2. Water to dissolve chemicals 3. Living Space 4. Homestatois (Stable Internal Conditions) for cells to work properly.
Characteristics of all living organisms. 1. Made of cells 2. Use Energy 3. Respond to their environment 4. Can Reproduce 5. Grow and develop more complex 6. Contain the Chemicals of Life
*Cells "Building Blocks of Life" All living things are made of one or more cells.
*Use Energy Animals get energy when they break down the food they eat. Plants make food using Photosynthesis; then take this food and use it for energy.
Metabolism Ingestion- take in food. Digestion- break down into simple molecules. Respiration- Combine food with oxygen to make energy. Excretion- Get rid of waste.
*Response a reaction caused by a stimulus. Ex: A flower will follow the sun as it goes across the sky. When it is hot out animals will perspire , which will let their body cool down.
Stimulus a change in the environment that causes a response. Ex: When there is a loud noise we jump.
*Reproduction Living things make more of themselves. One celled organisms will divide into two Identical cells, called asexual reproduction. Multi celled organisms will reproduce sexually where genes from both parents will combine to make a unique offspring.
*Growth When an organism is 'born', gets more complex, and dies. Lifespan.
*Chemicals of Life Carbohydrates- used for energy, Lipids-used for energy, Proteins-used to repair, Nucleic Acid- DNA- blueprints of life-carry the traits of parents.
Heterotroph Eats to get food. Animals are all Heterotrophs.
Autotroph Makes own food. Usually they do this with chlorophyll . (Photosynthesis) Plants are all Autotrophs.
Asexual Reproduction Mitosis, Binary Fission- when a cell divides into two identical cells.
Sexual Reproduction Two organisms combine their genes to make a unique offspring.
Homeostasis 'Home is stable'- maintain normal stable internal conditions. shiver, sweat, thirsty, blink, sneeze
Created by: bdepalo
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