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UNIT 3
| Question | Answer |
|---|---|
| requiring oxygen | aerobic |
| organism that makes its own food (autotroph) and produces organic molecules that serve as food for other organisms in its ecosystem | producer |
| organism that obtains food by eating producers (autotrophs) or other consumers | consumer |
| organism that breaks down wastes and dead organisms | decomposer |
| chemical process that uses oxygen to convert chemical energy stored in organic molecules into ATP (adenosine triphosphate) | cellular respiration |
| organism that obtains food by eating other organisms | heterotroph |
| energy stored due to an object's position or arrangement | potential energy |
| organism that makes its own food | autotroph |
| A consumer (such as a horse) that eats only producers | herbivore |
| A consumer (such as a lion) that eats only other consumers | carnivore |
| A consumer (such as a bear) that eats both producers and consumers | omnivore |
| organisms produce waste and eventually die. These wastes and remains of dead organisms | detritus |
| consumer that feeds directly on producers | primary consumer |
| organelle found in some plant cells and certain unicellular organisms where photosynthesis takes place | chloroastpl |
| pattern of feeding in an ecosystem consisting of interconnected and branching food chains | food web |
| feeding level in an ecosystem | trophic level |
| consumer that eats secondary consumers | tertiary consumer |
| organic material manufactured by producers | biomass |
| rate at which producers in an ecosystem build biomass | primary productivity |
| diagram representing energy loss from one trophic level to the next | energy pryamid |
| diagram representing the biomass in each trophic level of an ecosystem | biomass pryamid |
| representation of the number of individual organisms in each trophic level of an ecosystem | pyramid of numbers |
| energy of motion | kinetic energy |
| total amount of energy associated with the random movement of atoms and molecules in a sample of matter | thermal energy |
| potential to perform work due to the arrangement of atoms within molecules | chemical energy |
| amount of energy required to raise the temperature of 1 g of water 1°C | calorie |
| main energy source that cells use for most of their work | APT (adenosine triphosphate) |
| chlorophyll: pigment that gives a chloroplast its green color; uses light energy to split water molecules during photosynthesis | chlorophy11 |
| thick fluid contained in the inner membrane of a chloroplast | stroma |
| disk-shaped sac in the stroma of a chloroplast; site of the light reactions of photosynthesis | thylakoid |
| chemical reactions that convert the sun's energy to chemical energy; take place in the membranes of thylakoids in the chloroplast | light reactions |
| Calvin cycle: cycle in plants that makes sugar from carbon dioxide, H+ ions, and high-energy electrons carried by NADPH | calvin sysle |
| distance between adjacent waves | wavelength |
| range of types of electromagnetic energy from gamma waves to radio waves | electromagnetic spectrum |
| chemical compound that determines a substance's color | pigment |
| laboratory technique used to observe the different pigments in a material | paper chromatography |
| cluster of chlorophyll and other molecules in a thylakoid | photo-system |
| sequence of electron carrier molecules that transfer electrons and release energy during cellular respiration | electron transport chain |
| all of a cell's chemical processes | metabolism |
| the splitting in half of a glucose molecule; the first stage of cellular respiration and fermentation | glycolysis |
| stage of cellular respiration that finishes the breakdown of pyruvic acid molecules to carbon dioxide, releasing energy | krebs cycle |
| protein structure in cell mitochondria that uses energy from H+ ions to convert ADP to ATP | ATP synthase |
| without oxygen | anaerobic |
| cellular process of making ATP without oxygen | fermentation |
| requiring oxygen | aerobic |
Created by:
harshpatel244
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