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5 Cards in this Set
- Front
- Back
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Which of the following causes Earth's seasons?
Earth's tilt on its axis vertical air circulation global wind patterns changes in the Earth's distance from the sun ocean currents |
Earth's tilt on its axis
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Which of the following investigations is an example of the study of an abiotic factor?
investigating how an elk population competes for food observing interactions among various organisms in a rainforest canopy the relationship between finch beak size and food availability on two different Galapagos Islands identifying food sources for an egret population investigating how the amount of annual precipitation affects the distribution of a tree species |
investigating how the amount of annual precipitation affects the distribution of a tree species
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In most cases, the two major climatic factors affecting the distribution of organisms in terrestrial ecosystems are _____.
competitors and predators predators and parasites water and temperature temperature and sunlight wind and water |
water and temperature
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What is a biome?
a set of similar communities a major type of biosphere a specific set of abiotic factors a major type of ecosystem an area with a uniform distribution of organisms and abiotic environmental conditions |
a major type of ecosystem
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In ecological terms, disturbance is an event such as a storm, fire, or human activity that changes a community, removing organisms and altering resource availability. Which of the following statements about the effects of disturbance is correct?
The effects of disturbance on a community are almost always negative. A healthy community is in an equilibrium state of balance, with few disturbances. Disturbances can create patches of different habitats in a community. |
Disturbances can create patches of different habitats in a community.
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