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66 Cards in this Set
- Front
- Back
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what is science based on
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curiosity
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the smallest unit of life that can be considered alive
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a cell
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how are carbohydrates classified?
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simple or complex
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ex. of simple carbohydrate
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monosaccaride
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ex. of complex carbohydrate
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polysaccaride
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2 major groups of cells
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eukaryotic and prokaryotic
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difference between eukaryotic and prokaryotic cells
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prokaryotic lacks a true nucleus
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specialized structures in the cytoplasm of eukaryotic cells w/ specific function
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organelles
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one organelle that is found only in animal cells
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centriole
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two organelles that are only found in plant cells
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chloroplast
cell wall |
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where is the largest portion of water on earth? is it usable for drinking water?
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oceans
no |
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the variety and variability among all genes, species, and ecosystems
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biodiversity
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what organelle houses chlorophyll for photosynthesis?
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chloroplast
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what organelle is the "powerhouse" of the cell?
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mitochondria
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3 fossil fuels
are they non-renewable or renewable |
coal (non-renewable)
oil (non-renewable) wood (renewable) |
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somatic (body) cells division
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mitoses
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sex cell division
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meiosis
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3 phases of meiosis
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1. interphase
2. meiosis I 3. meiosis II |
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what fossil fuel is considered the cleanest?
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natural gas
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two alternative energy sources
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hydroelectric power
geothermal power |
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the remains of an organism, usually it's hard parts such as bones, teeth, or shell, which have been naturally preserved
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fossils
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how are fossils dated ?
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radiometric dating
relative dating carbon dating |
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natural selection in terms of adaptions and "survival of the fittest"
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differential reproductive successes: some are more successful or fit
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who is responsible for the natural selection concept
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Charles Darwin
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Geologic time eras from oldest to youngest
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Pre-Cambrian
Paleozioc Mesozoic Cenozioc |
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era with largest extinction of species
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Paleozoic
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era with the most sea creatures
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Paleozoic
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era with the most reptiles
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Mesozoic
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era with glaciers in N.America
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Cenozoic
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the 4 kingdoms
are they heterotrops, autrotrops or both? |
protists-both
plants-autoroph animal-heterotroph fungi-heterotroph |
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what is biromediation
when is it used |
bacteria eating waste
used at hazardous waste sights |
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what is the current world population
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6.9 billion
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how is bacteria classified
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shape
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how are protozoans classified
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the way they move
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how is algae classified
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color
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how does carbon dioxide cause global warming?
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CO2 absorbs heat energy from the earth, trapping it's release into space
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how do fungi differ from plants
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fungi has chitlin and plants have cellulose
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how does fungi reproduce
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asexually
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what is the carbohydrate in the cell walls of:
plants fungi |
plants-cellulose
fungi-chitin |
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humans belong to which phylum
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chordata
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genetic animal behavior
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innate behavior
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gained animal behavior
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learned behavior
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biological clock on a daily basis
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circadian
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what is S.A.D
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seasonal affective disorder
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where is the concentration of nitrogen? what organisms make is usable?
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the atmosphere
bacteria |
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3 chemical elements that are present in all living organisms
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oxygen
carbon hydrogen |
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additional chemical element in proteins
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nitrogen
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the most common cause of pollution
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silt caused by surface runoff
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what form of energy is used in:
plants animals |
sunlight
ATP |
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major cause of carbon monoxide
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burning of fossil fuels
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what energy process is used in:
plants animals |
photosynthesis
cellular respiration |
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DNA has genetic information to build what organic molecules
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nucleic acids
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the manipulation of an organisms genetic material by adding, deleting, or transporting genes from one organism to another
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genetic engineering
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in what two fields has there been the most contribution to genetic engineering
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medical
agriculture |
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natural populations of organisms that can interbreed and are reproductively isolated from other such groups
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species
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how are species formed
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when organisms interbreed w/ organisms in their population
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how do species remain isolated
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an inability of individuals from two population to produce fertile offspring w/ each other
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what is the major benefit of wetlands
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filter out bacteria
promote flood control biodiversity |
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three domains
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bacteria
archae eukaryia |
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how are bacteria and archae different from eukaryia
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they are prokaryotic
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where does most US solid waste end up
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landfills
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two reasons why species populations decline or become extinct
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primary reason: habitat loss
introduced species |
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the animal group with the most number of species
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arthropods
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the simplest animal group
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sponges
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the simplest group of animal vertebrates
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fish
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what does the ozone protect from?
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the sun's harmful radiation
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