Close, long-term relationship between two species. They benefit from each other.
What is symbiosis?
A dry, cold landscape.
What is a tundra?
When a population can no longer grow it has reached _________.
What is carrying capacity?
Rocks and water are _______ factors.
What is abiotic?
How organisms interact with their environment.
What is ecology?
Animal behavior that is part of their genotype, a behavior genetically coded and they are not aware of it.
What is innate behavior?
List the two different main types of water biomes.
What is freshwater and saltwater?
Second level consumers may have these two types of eating habits.
What is omnivore and carnivore?
Recycles nutrients a back into the ecosystem.
What is decomposers/detrivores?
The sum of all living things in an ecosystem.
What is biodiversity?
When a fish like a remora attaches to a shark or other big fish and travel attached to them.
What is commensalism?
Biome with largest species diversity.
What is a rain forest?
The four ways a population can change.
What is emigration, immigration, births, and deaths?
The specific area that an organism inhabits and/or the role of a species in an ecosystem.
What is niche?
The percentage of energy lost as it moves from producer to primary consumer to secondary consumer.
What is 90%?
When two species try to get the same food source.
What is competition?
Largest biome on Earth.
What is the Ocean?
Number of people in each age group is the same, birth and death rates are equal.
What is zero population growth?
Put the following in the correct order: biosphere, population, organism, ecosystem, community, and biome. (Smallest to biggest).
What is organism, population, community, ecosystem, biome, and biosphere?
Formula for population density.
What is number of individuals divided by area?
A fox species eats mice, rabbits, and a species of birds. The mice population is drastically lowered because of a new predator. What is the result of this change?
The bird and rabbits' populations decrease because the fox population hunt more exclusively for them.
Region of the body of water that is closest to the bottom.
What is the benthic zone?
Two factors that regulate a species’ population growth.
What is predation and competition?
Measures the health of an ecosystem. A lot of it means a strong, healthy ecosystem. Not much of it means a weak, endangered ecosystem.
What is the use of biodiversity?
Disrupts the natural balance. Pushes out natural species. Are dangerous without a predator.
What is the effect of introduced species?