The least quantity of rain falls on average on the tundra and desert ecosystems.
In an ecosystem, both living and non-living things interact with one another and their surroundings. The ecological structural and functional unit is another name for it.
Terrestrial ecosystems refer to all ecosystems found on land, whereas aquatic ecosystems refer to ecosystems found in water bodies such as lakes, rivers, ponds, and oceans.
The ecology is known as tundra, and it is barren of trees and snow-covered for the most of the year. The majority of these habitats can be found in frigid climates and places with little to no rainfall. The tundra ecology can be found, for instance, in polar locations.
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In assessing the internal validity of an intervention, we try to determine if certain changes cause certain outcomes. It is relevant in studies that try to establish casual relationship. While in observational or descriptive studies, it is not that relevant. It is also possible to have internal validity in a study and not have construct validity. Example, imagine a study where you are looking at the effects of a new computerized tutoring program on math performance in first grade students.
Answer:Analyze his lifestyle and spending.
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Those who have been widowed, fired, or divorced are more vulnerable to disease.
Answer:
The main difference between population density and population distribution is that the population density is the number of individuals per unit land whereas the population distribution is the spreading of people over an area of land
