2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt What kind of Interaction? I need some ENERGY! Levels of Organization Abiotic Factors Miscellaneous
During a drought, many different organisms try to get water from a small supply, resulting in….
What is competition?
Two organisms interact, and both benefit from the arrangement.
What is mutualism?
An interaction in which one organism benefits, but the other isn’t helped or hurt in any way
What is commensalism?
An interaction in which one organism captures, kills, and feeds on another
What is predation?
An interaction in which two organisms live closely together (parasitism is an example)
What is symbiosis?
From one trophic level to the next, this is a good estimate of how much energy is LOST.
What is 90%? (careful! It didn’t ask how much is passed to the next level)
A diagram showing the complex feeding interactions in a community
What is a food web?
Which trophic level would have the largest biomass in an ecosystem?
What is the first trophic level (autotrophs)?
An organism that eats both animal and plant matter
What is an omnivore?
The two different processes that producers use to make carbohydrates.
What are photosynthesis and chemosynthesis? (Photosynthesis is by far the most common)
Assemblages of populations that live together in a defined area
What is a community?
A community plus all the abiotic factors around it
What is an ecosystem?
A group of similar ecosystems with similar climate and dominant communities.
What is a Biome?
The combined portions of the planet in which all life exists
What is the Biosphere?
All the organisms of a particular species that live in a defined area
What is a population?
The changing seasons we experience are a result of this
What is the tilt of earth’s axis? –Causes changes in the length of days and angle of heating
A particular chemical substance needed by living things that is in short supply in an ecosystem
What is a limiting nutrient?
The average weather conditions an area has year-after-year.
What is climate?
This is the condition in which gases in a planet’s atmosphere, such as CO2, retain heat
What is the greenhouse effect?
This is a process in which nitrogen gas in the atmosphere is converted into a form that living things can use.
What is Nitrogen fixation?
This says that two species cannot occupy the same niche in the same habitat at the same time
What is the competitive exclusion principle?
The role or job that an organism fulfills within its ecosystem
What is a niche?
The area that an organism inhabits is called this.
What is a habitat?
Name for a group of organism so similar to each other that they can breed and produce fertile offspring
What is a species?
This is a word for the evaporation of water from the leaves of plants.
What is transpiration?
Two factors that effect enzyme activity.
What is pH and temperature.