Species Interactions
When two or more organisms fight over limited resources.
Competition
__________ flows through an ecosystem and is represented by arrows on food chains and webs.
Energy
A species that movies into a new environment and out competes local/native species.
-Keystone Species
-Pioneer Species
-Invasive Species
-Commensal Species
Invasive Species
What is one factor that determines a biome?
Precipitation and temperature.
How an organism uses its resources and fits into it's ecosystem.
-Succession
-Commensalism
-Pioneer Species
-Niche
Niche
A seal kills and consumes penguins for food. What type of symbiosis is this?
Predation
The first organism on the bottom of a food web/chain is referred to as a primary...
producer
Invasive Species are very successful in new habitats because they...
-Have a LOT of competition
-Have LOW reproduction rates
-Are generalists
-Have numerous predators they must avoid
Are generalists
A group of ecosystems that share similar biotic (living) and abiotic (nonliving) conditons...
Biome
A local area's short-term atmospheric conditions are ______, while long-term conditions are _______.
Climate, weather
Weather, climate
Storms, weather
Climate, patterns
Weather and climate
Eels allow shrimp to clean their mouths. The shrimp get food by eating bacteria and parasites while the eel gets their mouths cleaned What type of symbiosis is this?
Mutualism
where is the most energy located in a food chain/web?
The producers
Which best describes and ecological disturbance?
-When a community is stable and reaches equilibrium
-Physical appearance of an ecosystem
-Organism's "job" in the community
-Changes in a community that disrupt and harm communities
Changes in a community that disrupt and harm communities.
On a range of tolerance graph, the area with the most organisms is referred to as the...
-Optimal Range
-Range of Stress
-Range of Intolerance
Optimal Range
The first organisms to colonize an area after an ecological disturbance, like a forest fire...
-Keystone species
-Pioneer Species
-Commensal Species
-Endangered Species
Pioneer species
Leeches attach themselves to the sides of fish and suck out their blood, harming but not killing the fish. What type of symbiosis is this?
Parasitism
Organisms that must eat other living things to survive are called...
Consumers
What is one example of an ECOLOGICAL DISTRUBANCE?
Forest fire, flooding, volcanic eruption, glaciation, etc.
On a range of tolerance graph, the area with no organisms is referred to as the...
-Optimal Range
-Range of Stress
-Range of Intolerance
Range of Intolerance
The process by which toxins build up in organisms through a food chain.
Biomagnification/Bioaccumulation
A bird takes shelter under a tree during a thunderstorm. The bird gets protection but the tree is unaffected. What type of symbiosis is this?
Commensalism
Where does most of the energy from our food chains and webs come from originally?
The Sun
Organisms that breakdown dead and rotting material in the ecosystem.
Decomposers
On a range of tolerance graph, the area with the only a few organisms is referred to as the...
-Optimal Range
-Range of Stress
-Range of Intolerance
Range of Stress
Where would you expect to find the highest concentration of toxins in a food chain?
-Primary producer
-Primary consumer
-Secondary Consumer
-Tertiary Consumer
Tertiary Consumer