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akins
exam review
| Question | Answer |
|---|---|
| A fault is a break in the Earth's? | crust |
| Ozone is a molecule made up of? | 3 oxygen atoms |
| The boundary between warm and cold water in an ocean or lake is? | thermocline |
| a volcano is a mountain bulit from? | magma |
| which of the following are producers of oxygen? | plants |
| What essential characteristics does a good experiment have? | a single variable is tested and a contol is used |
| the first step in the decision-making model is to? | gather information |
| What kind of natural disaster helpls some commumities by allowing some trees to release their seeds, by clearing away deadwood, and by encouraging new growth? | fire |
| what kind of organism obtains energy only from prodducers? | herbivores |
| where would an ecologist be least likely to go to study primary succession? | the Amazon Rain forest |
| what term is used to refer to the many feeding relationships that are possible in an ecosystem | food web |
| which orgainism is likely to be in the bottom trophic level of a food chain? | alage |
| which gas makes up 78% of our atmosphere but can be used by plants only when transformed by bacteria first? | nitrogen |
| what type of succession occurs after a natural process such as a volcanic eruption or flood? | secondary succession |
| which of the following does not contain carbon from the bodies of plants and animals that died millions of years ago? | phosphate salts |
| whcich of the following plants is likely to be pioneer species? | shrubs |
| which of the following statements is correct? | consumers get their energy directly from the sun |
| deserts are | often formed on the dry side of mountain ranges |
| animals that live in the desert | are usually nocturnal |
| taiga is..... | a forst biome dominated by coniferous trees, such as pine, fir, and spruce |
| many angiosperms depend on animals for | pollination their flowers and distributing their seeds |
| change in the genetic characteristics in a population from one generation to the next is | natural selection |
| which of the following is an abiotic factor in an ecosystem? | water |
| which of the following best describes a population? | member of the same species living in the same place at the same time. |
| the place that contains everything an organism needs is its | habitat |
| a desert ecosystem contain? | air, land, living things, and sand. |
| which two kingdoms contain organisms that can use energy from the sun to make food | protists and plants |
| the initial souce of food in most oceans and freshwater ecosystem is | phyplanton |
| animals that lack backbones are called? | invertibrates |
| athlete's foot is a disease caused by | fungi |
Created by:
jakins.2010
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