Vocabulary
An environment that provides the things an organism neds to live, grow, and reproduce.
What is a habitat?
These organisms produce energy through the use of photosynthesis or chemosynthesis.
What are Autotrophs?
A group of land ecosystems with similiar climates and organisms.
What is a biome?
Model that represents unlimited population growth.
Exponential
All the populations living in a habitat.
What is a community?
The organism that a parasite lives in or on in a parasitism interaction.
What is a host?
Model that depicts population growth constrained by limited resources.
These organisms are typically at the top of the food chain, above secondary consumers. They are called ____________ consumers.
What is tertiary?
All of the Earth.
What is the biosphere?
Name 2 factors that increase a population size.
Birth
Immigration
An organism that breaks down wastes and dead organisms.
What is a detrivore?
This is a way to show how energy in a food web is allocated. Usually there is a large base and a pointed top.
What is an energy pyramid?
Name 3 characteristics of life.
1) Has cells
2) Grows and reproduces
3) Has DNA
4) Metabolism
5) Responds to stimuli
6) Adapts
An interaction in which one organism kills another for food.
What is predation?
Provide an example of a biotic limiting factor (density-dependent)
Examples: Disease, predation, competition, parasitism
A diagram that shows the flow of energy that occurs when one organism eats another.
What is a food chain?
What is the percentage of energy LOST as it moves from producer to primary consumer to secondary consumer?
What is 90%?
Name all 6 characteristics of life.
1) Has cells
2) Grows and reproduces
3) Has DNA
4) Metabolism
5) Responds to stimuli
6) Adapts
The predator curve lags behind the prey curve.
Which survivorship curve is characterized by early survival and late loss?
Type I curve