Question | Answer |
Autotroph | an organism that can make its own food |
Carrying Capacity | maximum population size of species in an environment |
Commensalism | a relationship in which one organism benefits and the other is not harmed |
Heterotroph | an organism that must obtain its energy from an outside source |
Host | the organism that is harmed in a parasitic relationship |
Mutualism | a relationship in which both organisms benefit |
Natural Selection | process by which organisms that inherit helpful traits tend to reproduce more successfully than others |
Parasite | an organism that causes harm to its host |
Parasitism | a relationship in which one organism benefits and the other is harmed |
Phytoplankton | Plankton consisting of microscopic plants |
Symbiosis | a relationship in which two organisms live in close association with others |
Zooplankton | plankton consistsing of small animals. |
autotroph examples | rose, tree, grass |
heterotroph examples | foxes, snakes, owl |
Example of predator-prey relationship | snake - mouse |
Example of parasite-host relationship | tapeworm - cow |
Example of mutualism relationship | oxpeckers feed on ticks found on rhinoceros |
Example of communalistic relationship | hermit crab lives in shell that was made and left by snails |
Which organisms are the decomposers in this specific food web? | bacteria/fungi |
Which organisms are competing for the "Forage Fish" Group? | salmon/Lake Trout, cormorant, herring gull, snapping turtle, eagle |
If the Salmon/Lake Trout were removed from this specific food web, how would this affect the forage fish population? | the numbers would increase |
What is the relationship between the Eagle and the Salmon? | Eagle=predator; Salmon=prey |
What is the relationship between the Plankton and the Waterfowl in this specific food web? | Plankton=producer; Waterfowl=Herbivore |
According to the specific food web, which organism has the most types of food? | Eagle |
In a typical predator-prey relationship of over 10 years, what happens to the level of predators? | there are few in the beginning, then increase midstream then decrease |
In a typical predator-prey relationship of over 10 years, what happens to the level of prey? | there are many in the beginning, then slowly decrease midstream to where there are few |