Biotic Factors
The definition of a biotic factor in an ecosystem.
What is the living and once-living things in an ecosystem?
The definition of an abiotic factor in an ecosystem.
What is the nonliving things in an eosystem?
The smallest unit (part) of an ecosystem.
What is an organism?
The definition of an ecosystem.
What is the living and nonliving things in a given area?
The equation used to calculate population density.
What is
Population Density = Number of Organisms / Area
The living part of soil.
What is humus?
The part of the Earth that receives the least amount of direct sunlight.
What is the poles?
All the populations living in the same are at the same time.
What is a community?
True or False: Biomes are ecosystems that have similar plant species, but different climates.
What is false?
Calculate the population density of a herd of 248 elk living in a 50 acre area?
List two effects of high population density.
What is population decrease, increased competition, limited resources, etc.
The relationship between the amount of humus found in soil and the amount of species/organisms in an ecosystem.
What is..
When there is less humus, there is less organisms
When there is more humus, there is more organisms
The definition of a population in an ecosystem.
What is all of the organisms of the same species in the same area at the same time?
An example of a ecosystem/biome that would be found close to the equator.
What is a tropical rainforest, savanna, or desert?
Describe a low population density.
What is when there are few organisms living in a large amount of space?
What is population density?
What is the size of a population compared to the amount of available space?
The reason that abiotic factors are important to an ecosystem. (Don't give an example)
What is biotic factors depend on abiotic factors to survive?
The definition of a biome.
What is all of the ecosystems with similar organisms and climates grouped together?
The names of 5 different eosystems/biomes we have mentioned in class.
What is rainforest, tundra, lake, pond, savanna, desert, coral reef, grasslands, etc.?
Calculate the population density of a 42 gallon aquarium contining 484 fish. (Answer with 2 decimal points)
What is 11.52 fish per gallon?
List two effects of low population density.
What is population increase, decreased competition, resource availability, increased space, etc.
The relationship between the amount of water an the amount of species in an ecosystem.
What is the more water in an ecosystem the more species there will be?
A community combined with the abiotic factors in the same area is referred it as a(n):
What is Ecosystem?
What determines the location of different types of biomes/ecosystems on Earth.
What is the amount of direct sunlight an area receives?
Describe a high population density.
What is when there is a large amount of organisms living in a small space?