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28 Cards in this Set
- Front
- Back
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Nature
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Everything in the universe except what humans have manufactured
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Atoms
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Fundamental Building blocks of all substances
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Cell
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The smallest unit of life that can survive and reproduce on its own, given information in DNA,Energy Inputs, and suitable environment conditions
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Molecule
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Atoms joined with other atoms
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Organism
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individual that consists of 1 or more cells.
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Population
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A group of individuals of the same kind of organism, or species, living in the same area.
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Commnunity
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All populations and all species in a specified area.
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Ecosystem
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A community reacting with its chemical and physical environment
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Biosphere
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Encompasses all regions of earth's crust, water and atmospheres in which organisms live.
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energy
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Capacity to do work
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Nutrient
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a type of atom or molecule that has an essential role in growth and survival and that an organism cannot make for itself.
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Producers
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Acquire energy & simple raw materials from environmental sources & make their own food.
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Photosynthesis
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PLants use sunlight and energy to form sugars from carbon dioxide and water
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Consumers
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Cannot make own food.
Get it from other producers. |
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Receptor
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A molecule or cellular structure that responds to s specific form of stimulation
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Homeostasis
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Keeping conditions in the internal environment in the favor of cell survival.
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DNA
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Signature molecule of life. Basis of growth survival and reproduction
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Traits
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Distinct features
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inheritance
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Transmission of DNA from parents to offspring.
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reproduction
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Actual mechanisms in which parents transmit DNA to offspring
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Development
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Orderly transformation from a single call into a living organism
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Genus
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A group of species that share a unique set of features.
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Bacteria & Archaeans
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Single celled organisms- prokaryotes= no nucleus
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EUkaryotes
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cells that start life with a nucleus.
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Protists
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simplest kind of eukaryote.
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Mutations
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small scale changes in DNA
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natural selection
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The differential survival and reproduction of individuals in a population that differ in the details of their heritable traits.
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Sampling error
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differnece between results of subset and results form a whole
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