Unit 1
Which law explains the loss of energy when it moves from lower to higher trophic levels?
The second law of thermodynamics
A racoon is an example of what kind of species?
Generalist species
The number of children under age 1 that die per 1,000 live births is called what?
Infant mortality rate or IMR.
What kind of relationship is it called when one organism benefits and the other his harmed?
parasitism
What is the name for organisms that eat prey?
Predator
What refers to the range of conditions that an organism can endure before injury or death result?
Tolerance
Under Ideal conditions with unlimited resources, what kind of population growth can be seen in a species of consumers?
exponential population growth.
What kind of succession is it when there is no soil present in the area?
Primary succession.
The approximate amount of energy that is transferred up to the next trophic level in a food chain is called?
Ecological Efficiency
Island species are usually what kind of species?
Specialists species
The time it takes a population to double
What is the most abundant gas in the atmosphere?
Nitrogen
If a Buffalo eats 1000 calories of grass, approximately how much does it waste through cellular respiration?
900 calories
Sea level has varied significantly as a result of changes in the amount of ______ ___ on earth over a geological time
Glacial Ice or Glaciers
Logistic growth
What is the name given to the above-average sea-surface temperatures that periodically develop across the east-central equatorial Pacific
El Nino
What is the Process of decomposers breaking down biomass into NH3 or NH4+as a part of the nitrogen cycle called?
Ammonification
_____ _____ is a event that drastically reduces the size of a population, it may be caused by various events, such as an environmental disaster, the hunting of a species until extinction, and more.
Population Bottleneck
Natural disasters such as hurricanes and tornados are examples of
density independent factors impacting population size
What is the most used energy source in the world?
Oil or Fossil Fuels