Limiting Factors
Name a limiting factor in an ecosystem.
What is Water, space, shelter, food?
Arrows in a food web or food chain show this.
What is the flow of energy and nutrients?
When two organisms of the same or different species compete for resources, scientists call it this.
What is competition?
A positive thing that humans can do to improve or benefit the environment.
What is recycle, reuse, plant trees, etc...
These organisms go on the base of a food/energy pyramid.
What are producers?
In an ecosystem, scientists look at these living and non-living factors do predict the change in a population.
What are biotic and abiotic factors?
These organisms make their own food through photosynthesis and are food for other organisms.
What are producers?
This type of relationship is when two organisms benefit each other.
What is mutualism?
This term is used to describe only the biotic factors when observing an ecosystem.
What is a community?
As you go up the energy pyramid, energy does this.
This term is used to describe all of the abiotic and biotic factors observed when studying ecology?
What is an ecosystem?
These type of organisms consume only producers, often called primary consumers.
What are herbivores?
Dogs and heartworms have this kind of relationship, often with the shorthand of (+,-).
What is parasitism?
An example of an abiotic factor.
Wind, water, sun, temperature, etc...
What is a decomposer?
This is the total population of a species that an ecosystem can sustain
What is carrying capacity?
The main difference between a food chain and a food web is that food chains show a series of events, where as a food web shows this.
What are all of the possible outcomes in an ecosystem?
This type of relationship could be explained through the example of a wolf that hunts small rabbits in its forest.
What is a predator-prey relationship?
This type of human activity threatens rainforests, and the millions of species that live in them for the sake of things such as wood, food and other human needs.
What is deforestation?
What percent of energy is kept as you go up the energy pyramid?
10%
As the population of a species begins to go over the carrying capacity of an ecosystem, more than likely the population will do this.
What is decrease/ go down?
These consumers sit on top of a food web, normally are carnivores as they only eat others consumers.
What is a third level or tertiary consumer?
The shark and remora have a relationship in nature. The remora gets a free ride and some free food from the shark. The shark does not benefit or lose anything from this kind of relationship.
What is commensalism?
As humans continue to use natural resources and move into new areas, scientists fear that this will cause less species of organisms to exist.
What is climate change/ global warming?
As energy flows from one organism to the other, it is often lost due to these two items.