One day in the Forest
All of the maple trees in a particular forest make up a...
What is population
This is the number of offspring produced in a population in a given period of time.
What is birth rate
The movement of a species into a population
What is immigration
This is the largest population that an environment can support at any given time.
What is carrying capacity
After reaching carrying capacity, what does population size do over time? (Think of a graph.)
What is fluctuates around an average
In this relationship, one organism benefits and the other is neither helped nor harmed...
What is commensalism
A population that has a huge effect on the health and diversity of the entire ecosystem
What is keystone species
A term that describes the variation and variety of organisms that live within an ecosystem
Biodiversity
If emigration increases in a region, the population will ...
What is decrease
A remora fish feeding off the scraps from a shark's prey is an example of what symbiotic relationship?
What is commensalism
Living things like food sources and disease that impact the carrying capacity of a population
What is biotic factor
A winter storm could be an example of a(n) _____________ limiting factor.
What is abiotic
A relationship between two species in which one species benefits and the other is gradually harmed.
What is parasitism
Molecules in earth's atmosphere like CO2 that trap and re-radiate heat, causing the earth to warm
What is greenhouse gases
A population is most likely to deplete the resources of its environment if the population goes beyond ...
What is carrying capacity
Term for population growth that increases dramatically when there are unlimited resources
What is exponential
This is a relationship between two species in which both species attempt to use the same limited resources; both are negatively affected by the relationship
What is competition
An area of land along a body of water where native plants grow; this area helps purify runoff, prevents soil erosion, and supports biodiversity
What is riparian zone