Ecosystems
Animals ____________ for food, water, territory, and mates.
What is compete?
The highest and most stable level of ecological succession.
What is a climax community?
The number of species that exist within an ecosystem.
What is biodiversity?
This complex diagram shows how organisms obtain energy in an environment.
What is a food web?
One way humans can positively impact regrowth in the Ocean.
What are artificial reefs?
Water is an example of a(n) _______ factor.
(biotic or abiotic)
What is abiotic?
If there is a lot of rainfall in an ecosystem, there will be very little _______.
What is competition
Examples of natural disasters that can cause an ecosystem to start at secondary succession are....
What is forest fires, tornadoes, hurricaines, flooding, tsunamis, or mudslides?
The ability to meet the current demands for a resource without depleting the future supply is...
What is sustainability?
The source of all energy in a food web.
What is the Sun?
Three ways human rely on the oceans.
What is transportation, fishing and energy?
Seeds are an example of a(n) _________ factor?
(biotic or abiotic)
What is biotic?
There is a large population of rabbits, the competition between snakes would be ____.
(high or low)
What is low?
The first inhabitants in ecological succession are called...
(Examples include:)
What are pioneer species?
(Lichens, moss, weeds or grasses)
Biodiversity makes it more likely that an ecosystem will be able to...
What is keep functioning after disease or a natural disaster?
This is the 3rd level on an energy pyramid.
What is secondary consumers?
Overfishing ________ the food web in a marine ecosystem and it is caused by __________.
What is disrupts and humans?
Dirt/soil may have ________ factors in it, but it is generally classed as a(n) __________ factor.
(biotic or abiotic for each)
What is biotic and abiotic?
If there is a small population of snakes, the competition between hawks for food would be ____.
What is high?
The main goal of ecological succcession.
What is equilibrium or to become a climax community?
The ecosystem with a higher level of biodiversity between a desert and a tropical rainforest.
What is the tropical rainforest?
If there are lot of consumers, there will need to be a lot of ______ to support them.
What is producers?
Two major ways humans pollute the ocean.
What is fertilizer run off and oil spills?
Potato chips are an example of a(n) _________ factor?
(biotic or abiotic)
If the rabbit population decreases, what will happen to the grass and snake populations?
(One answer for grass and one for snake)
What is increase and decrease?
(The grass has less organisms eating it and the snakes will have lost part of their food source.)
In Primary Succession, the base material is _____ and in Secondary Succession the base material is _____
What is rock and soil?
The higher the biodiveristy of an ecosystem, the higher the _______.
What is sustainability?
How much energy is transferred between trophic levels?
What is 10%?
Examples of how humans can cause secondary succession.
What is deforestation, building roads, mining, or land abandonment.
Give an example of an abiotic factor acting as shelter for a biotic factor.
Teacher discretion :)