Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Biology 3-4 test
| Term | Definition |
|---|---|
| Biosphere | all life on Earth and all parts if the Earth in which life exists (land, water and the atmosphere) |
| Ecology | the study of interactions among organisms and between organisms and their physical environment |
| Levels of ecology | organism, population, community, ecosystem, biosphere |
| Ecosystem | an area with a distinguishable set of characteristics in which a wide variety of biotic and abiotic factors interact with each other |
| Ecosystem - the full overview Habitat - where one lives through their view | What is the difference between an ecosystem and a habitat? |
| Autotrophs | use solar and chemical energy to produce "food" by assembling inorganic compounds later used by other organisms |
| Photosynthesis | captures light energy and uses it to power chemical reactions that convert carbon dioxide and water into oxygen and energy-rich carbohydrates such as sugars and starches |
| Chemosynthesis | used to produce carbohydrates by using hydrogen sulfide |
| Heterotrophs | organisms that don't harness energy from the environment like the primary producers do (energy thieves / the second level) |
| Consumers | organisms that rely on other organisms for energy and nutrients |
| Detritivores | eat decomposed stuff (detrive) |
| Flows, Cycles | Energy __________, Matter ___________ |
| The way that the energy is flowing | Which way do the arrows point in a food chain? |
| 90%, lost as heat | What percentage of energy is lost during the transfer and how is it lost? |
| Trophic level | each step in a food chain or web |
| 1 - primary producer 2 - primary consumer 3 - secondary consumer 4 - tertiary consumer so on.... | What are the trophic levels? |
| 10% of the energy | How much energy is actually transferred (on average)? |
| Ecological Pyramid | show the relative amount of energy or matter contained within each trophic level in a given food chain or food web |
| Pyramid of Energy | Which ecological Pyramid shows the relative amount of energy available at each trophic level of a food chain or web? |
| Pyramid of Biomass | Which ecological pyramid illustrates the relative amount of living organic matter available at each trophic level in an ecosystem? |
| Pyramid of Numbers | Which ecological pyramid shows the relative number of individual organisms at each trophic level in an ecosystem? (Note: the reason why the pyramid looks the way it does is because it only counts the individual organisms and not their biomass or size) |
| Keystone Species | changes the population of a single species |
Created by:
Brooke.isnt.smart