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KLS General Review 1
| Question | Answer |
|---|---|
| compound | group of two or more elements bonded together |
| abiotic | nonliving parts of an ecosystem |
| biotic | all the living parts of an ecosystem |
| first level consumer | eats plants |
| secondary level consumer | eats consumers that eat plants |
| third level consumer | eats other consumers |
| producer | green plants capable of making their own food using energy from the sun in a process called photosynthesis. |
| independent variable | the variable that is purposely changed by the person doing the experiment. |
| dependent variable | the variable that is changed by the independent variable. |
| observation/observing | using one or more of your senses to gather information |
| respiration | process where glucose is broken down to release energy |
| scavangers | animals which feed on the bodies of dead organisms. Examples: raccoons, crabs, vultures |
| equations for cellular respiration and photosynthesis | they are opposite equations |
| hypothesis | a possible explanation for a set of observations that is testable |
| population | all the members of one species living in a particular area |
| population density | the number of individuals of a population in a specific area |
| classifying | put things into categories or group together items that are alike in some way |
| habitat | place where an organism lives and that provides the things the organism needs |
| mitochondria | convert energy from food molecules into energy that the cell can use; create ATP |
| cell membrane | found in all cells and encloses cell and controls which substances enter and leave the cell |
| cell wall | found only in plant cells |
| cell | basic unit of structure and function in a living thing |
| emigration | when something leaves an area to go to another area (wolves leave area because there is not enough prey) |
| immigration | when something moves into a new area (falcons move into cliffs to nest) |
| ecology | the study of how things interact with each other and with their environment |
| nucleus | control center of the cell |
| organelle | part of a cell |
| three types of symbiotic relationships | commensalsim, parasitism, mutualism |
| biotic factor | something that is living or was once living |
| abiotic factor | non-living factors in the environment |
| competition | struggle between organisms to survive in a habitat with limited resources |
| niche | organism's particular role in its habitat |
| omnivore | consumers that eat both plants and animals |
| carrying capacity | largest population that an environment can support |
| community | all the different populations that live together in an area (example - a bird lives off of the bugs on the back of a buffalo) |
| products of photosynthesis | oxygen and glucose (sugars) |
| chlorophyll | captures energy from sunlight during photosynthesis |
| SI unit of length (metric system) | meter |
| SI unit of time (metric system) | second |
| producer | organism that can make its own food through photosynthesis |
| consumer | organism that eats a producer or other consumers for energy |
| nitrogen cycle - how do consumers get nitrogen | get it from food they eat; from plants |
| diffusion | process where substances move through cell membranes from areas of higher concentration to areas of lower concentration |
| host | organism that another organism lives on |
| parasite | an organism that lives on another organism |
| inferring | interpreting observations based on reasoning from what you already know |
| stomata | part of a plant located on the underside of a leaf that allows gases like carbon dioxide to enter the plant |
| cell theory | theory that states that all cells come from other cells, all living things are made of cells and that cells are the basic unit of life |
| food web | many overlapping food chains in an ecosystem |
| quantitative observations | observations that deal with a number or amount |
| qualitative observation | observations that deal with descriptions that cannot be expressed as numbers |
| Examples of Compounds | Carbon dioxide, nitrous oxide, sodium chloride, water, carbon monoxide |
| plant and animal growth requirement | energy to transform raw materials throughout life |
| cellular respiration compared to photosynthesis | *they have opposite equations * photosynthesis makes food where as respiration breaks food down into energy * photosynthesis happens only in plant cells where as respiration occurs in all cells |
| lactic acid fermentation formation | occurs during very intense physical activity like sprinting or swimming laps |
| organism | smallest unit of ecological organization |
| ecosystem organazation levels in order from smallest to biggest | organism, population, community, ecosystem, biosphere |
| number metric system based on | 10 |
| many celled organisms | have cells that are usually specialized such as heart cells |
| Levels of organization in organisms | atoms, compounds, cells, tissues, organs, organ systems, organism |
| Abiotic factors plants use to make food | sunlight, carbon, water |
| Many celled organisms | made up of specialized cells that have a specific function |
| microscope | made it possible for the discovery of the cell |
| level of organization in organisms | atom, molecules, compound, cell, tissue, organ, organ system |
| Hooke | scientist who first named cells while studying corks under the microscope and observed that it looked like the cork was made of cells (rectangular rooms) |
| photosynthesis | process by which plants and algae make their own food |
| mitochondria | place where respiration releases the energy in glucose by transforming it into a form the cell can use |
| evaporation | process where molecules of water absorb energy and change into a gas |
| estimate | used when an exact number cannot be obtained |
| accuracy | closeness of a measurement to its true value |
| precision | how close measurements are to each other |
| herbivore | consumer that eats producers like deer, moose, antelope, rabbits, etc |
Created by:
coachkls
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