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exam review
exam review for science
| Question | Answer |
|---|---|
| which of the following is not one of the compositional layers of Earth? | mesosphere |
| ozone is a molecule made up of? | 3 oxogen atoms |
| the most abondant gas in Earth's atmosphere | nitrogen |
| the boundry between warm and cold water is an ocean or lake is | |
| Valcanoes occur at tectonic plate boundaries that are | colliding & separating from one another |
| the richter scale best describes the magnitude of an earthquake | |
| a volcano is a mountain built from | magma |
| what kind of natural disaster helps some forest communties by allowing some trees to release their seeds, by clearing away deadwood, and by encouraging new growth | fire |
| is freshwater algae a photosynthetic organism | yes |
| consumers are organisms that | get solar energy inderectly |
| organism that that obtains energy from producers | herbivores |
| where would an ecologist be least likely to go to study primary seccession | the Amazon rain forest |
| what term is used to refer to the main feeding relationship that are possible in a n ecosystem | food web |
| which plant is likely to be a pioner species | shrub |
| what type of seccession occurs after a natural process such as a volcanic eruption or flud | secondary succession |
| which gas makes up 78% of our atmosphere but can be used by plants only when transformed by bacteria first | nitrogen |