Biology Chapter 3 Test
Terms in this set (33)
The ____ of abiotic and biotic factors result in conditions that are suitable for some organisms but not for others.
Food availability and temperature are...
Limiting factors for a particular organism
Any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organisms.
At high elevations where the soil is thin, vegetation is limited to...
Small, shallow rooted mosses, ferns, and lichens.
Factors that limit one population in a community may also have an ____ effect on another population.
The ability of an organism to withstand fluctuations in biotic and abiotic environmental factors is...
A population of deer would become ___ as conditions move away from optimal toward either extreme of the deer's range of tolerance.
Different species have ____ ranges of tolerance.
Natural changes and species replacements that take place in the communities of ecosystems
How long can it take for one community to succeed another?
Decades or even centuries
First organisms to colonize the new areas
What is primary succession?
Colonization of new areas after a new area is formed
Eventually, succession ___ ____ and the community becomes more stable.
A mature community that undergoes little or no change
An example of an abiotic limiting factor affecting a community of organisms.
A severe drought
An example of a biotic limiting factor affecting a community of organisms.
Amount of plant growth
Biomes located in bodies of water (oceans, lakes, and rivers)
The water in marine biomes is ____.
Oceans contain the largest amount of what of any biome on Earth?
Biomass (living material)
Part of marine biomes shallow enough to be penetrated by sunlight
Deep-water regions of marine biomes receiving no sunlight
A river would eventually flow into a(n)...
Ocean or a sea
The body of water where fresh water from a river mixes with salt water
Organisms living in intertidal zones have structures that protect them from...
Why is life abundant in photic zones?
There are many nutrients
The greatest number of organisms living in the photic zone of a marine biome are...
Few organisms live at the bottom of a deep lake because of...
The lack of sunlight
Which two abiotic factors generally determine the type of climax community that will develop in a particular part of the world?
Temperature and precipitation
In which terrestrial biome is the ground permanently frozen?
What are some adaptations that desert plants have developed?
Some leaves have reduced to spines, and they've developed poisons that discourage herbavores
Name the layers of the Tropical Rain Forest.
Canopy, Understory, and the ground
What are the organisms that live in each layer of the Tropical Rain Forest?
Monkeys and birds; bats and tree frogs; and rodents, frogs, cats, and insects.