this biome is characterized by extremely low precipitation, regardless of whether or not it is hot
What is a desert?
the part of the ecosystem where an organism prefers to live
What is habitat?
non-living factors in an ecosystem, such as weather or topography
What are abiotic factors?
the thin upper layer of the ocean that gets light
What is the photic zone?
In parasitism, one organism benefits usually by taking nutrients from the other organism, called this
What is the host?
these areas receive huge amounts of precipitation, and have the greatest biodiversity of any biome
What are tropical rainforests?
large areas of the earth with a fairly consistent environment
What are biomes?
the middle layer of the ocean, which gets no (or very little) light
What is aphotic zone?
gaining elevation on a mountain will result in lower temperatures and precipitation, similar to when you travel in this direction
What is toward a pole?
(north)
the type of symbiosis in which the organisms have no direct affect on each other
What is neutralism?
caribou and grizzly bears can be found in these areas that have permafrost, or frozen ground, and experience long winters and short summers
What is tundra?
all of the giraffes living in the same part of a savanna are members of the same ___
another name for producers, or organisms that make their own food
What is autotrophs?
The point of a mountain's elevation above which there are no trees due to low temperature and precipitation
What is timberline?
the type of symbiosis in which both organisms benefit
What is mutualism?
areas where you can find oak and maple trees that experience four distinct seasons
What is a deciduous forest?
the term for the way an organism lives in the habitat
What is niche?
rainforests are divided into vertical zones based on this
What is amount of light and rain?
the term for aquatic creatures such as whale and plankton, which swim or drift with the current
What is pelagic?
the type of symbiosis in which one organism benefits, but the other isn't really affected
What is commensalism?
these areas don't receive enough precipitation for tress, but have moderate temperatures and many herbivores, such as wild horses and pheasants
What are grasslands?
all of the organisms of all the species within an ecosystem
What is a community?
a type of symbiosis in which one organism is injured while the other is not affected
What is amensalism?
the three factors affecting vertical zonation in a body of water
What is 1)temperature, 2)amount of oxygen dissolved, 3)sunlight?
the two types of symbiosis that involve one organism being harmed
What is parasitism and amensalism?