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FCAT week 1
Term | Definition |
---|---|
Atom | the smallest unit of an element that maintains the properties of that element |
Molecule | a group of atoms that are held together by chemical bonds |
Cell | the smallest unit that can perform all life processes: they are covered by a membrane and cytoplasm |
Tissue | a group of similar cells that perform the a common function |
Organ | a collection of tissues that carry out a specialized function of the body |
Organ system | a group of organs that work together to perform body functions |
Organism | a living thing, carries out life processes independently |
Homeostasis | the maintenance of a constant internal stat in a changing environment, think harmony |
Domain 1 | Bacteria Kingdom Monera Prokaryotic cells with no nucleus. |
Domain 2 | Archaea Also Prokaryotic with no nucleus but their structures and make up are different from Bacteria. |
Domain 3 | Eukarya Cells that have a nucleus. |
Mutualism | Both organism benefit |
Parasitism | One organism benefits, one organism harmed |
Commensalism | One organism benefits, one organism unaffected |
In Photosynthesis | ultraviolet light is used to combine H2O and CO2 to make glucose C6H12O6 that is used by the plant and humans for energy. Humans get carbohydrates from plants that are sugars and starches, and lipids(Fats) that are stored up assemblies of glucose. |
Producers | Make food from sun or environment |
Consumers | Eat part of the food made by Producers. |
Decomposers | Eat the remains from the producers and consumers and return all the materials back to be used again. |
mitosis | Each daughter cell has a full set of chromosomes and is for regular growth and cell replacement. |
meiosis | Each daughter cell has a half set of chromosomes and is only for making reproductive cells. |