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physical science.

terms for physical science

QuestionAnswer
Cell the basic unit of ALL living things.
Unicellular organisms made up of only one cell.
Multicellular organisms made up of many cells.
Similarities between plant and animal cells nucleus, mitochondria, cell membrane.
Differences between plant and animal cells plants have cell walls for protection and chloroplasts to carry out photosynthesis.
Nucleus the control center of the cell that holds the DNA.
Mitochondria breaks down sugar to release energy for the cell.
Chloroplasts contains chlorophyll that traps sunlight for photosynthesis.
Respiratory system takes in oxygen and releases carbon dioxide.
Circulatory system delivers oxygen and nutrients to the body and gets rid of wastes.
Digestive system breaks down food and gives the energy to the body.
Excretory system gets rid of wastes from the body.
Muscular system relax and contract for mmovement.
Nervous system sends and recives messages to the entire body; processes information from the outside environment.
Reproductive system creates offspring.
Skeletal system provides support for the body.
Equilibriium homeostasis; the process of keeping the internal environment stable.
Feedback Mechanism the response of an organism to a given change to maintain equilibrium; Ex. sweating/shivering to maintain body temperature, pancreas releasing insulin to maintain sugar levels.
Adaptation a genetic trait that helps an organism survive in its environment.
Organisms that are adapted to their environment are able to survive and reproduce.
Extinction the loss of an entire species.
Created by: ArianaFarris
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