Ecological Relationships
Barnacles living on the sides of whales is an example of this relationship
What is commensalism (type of symbiosis)?
Living things that eat carnivores?
What are tertiary consumers / secondary carnivores / organisms in the fourth trophic level?
Number of individuals living in a defined area at a given time
What is population density?
When growth rate decreases over time
What is logistic growth?
Clown fish living with sea anemone is an example of this relationship
What is mutualism (type of symbiosis)?
Living things that eat producers
What are primary consumers / herbivores / organisms in the second trophic level?
They way that a population is spread out over an area
What is dispersion?
When growth rate stays constant
What is exponential growth?
Fleas living on dogs are an example of this type of relationship
What is parasitism (type of symbiosis)?
Living things that are autotrophs
What are producers / organisms in the first trophic level?
The number of individuals in a population
What is population size (N)?
Formula to calculate a final population size based on the growth rate and initial population size
What is
Snakes and mice are an example of this relationship
What is predation?
Living things that eat herbivores
What are secondary consumers / carnivores / organisms in the third trophic level?
A method for estimating population size
What is the mark-recapture method?