Relationship in which two or more organisms live together in close association; includes parasitism, mutualism, and commensalism.
Organism consuming a primary consumer; a carnivore.
The amount of energy made by primary producers in a community.
Organism capable of converting energy from the sun into food by photosynthesis.
Organism consuming a primary producer; an herbivore
Group of individuals of a single species living in the same area at the same time. Members of a population can reproduce with one another.
Process by which primary producers convert carbon dioxide, water, and sunlight into organic material (sugar) and oxygen.
Form of symbiosis in which one organism benefits from another organism, harming the second organism but not killing it.
Process whereby microbes convert atmospheric nitrogen gas (N2) into ammonia (NH3).
Form of symbiosis in which both organisms benefit from the relationship.
A group of atoms held together by chemical bonds.
Not living; physical, not biological.
Basic unit of an element. Atoms important in life include carbon, hydrogen, oxygen, nitrogen, sulfur, and phosphorus
Large scale areas with similar vegetation and climate.
Thin layer on surface of earth where all life exists. It is the union of all ecosystems.
Derived from a living organism.
Organism maintaining a diet of meat.
Form of symbiosis in which one organism benefits from a symbiotic relationship, while the other is neither harmed or benefitted by the relationship.
All organisms living together in the same place.
Relationship in which two types of organisms compete for the same limited resource such as food, water, or a nesting site.
Study of how organisms relate to one another and their environments.
Organisms and their physical environments within a given area. This is the smallest unit that can sustain life in isolation from all but atmospheric surroundings.
Organism maintaining a diet of primarily plants.
Which of the following is NOT one of the three main "rules" of ecology?
There is no such thing as a free lunch.
Everything is connected to everything else.
Responsible use of resources today protects the future world.
Everything must go somewhere.
_____________ include all organisms living together in the same place.
"Cleaner fish" are small fish that live in close association with bigger fish. "Cleaner fish" remove harmful microbes from the larger fishes skin, and the big fish provides the "cleaner fish" with a safe place to live. Which type of relationship is this?
In photosynthesis, there is sunlight, Co2, oxygen, minerals, and plant sugars.... what else is missing?
________________ are able to carry out photosynthesis and make all earth's energy.
Refer to figure 5, what does it say in the middle green box?
The organisms in figure 7 are engaged in mutualism, which is ________. (Select ALL that apply)
a relationship in which both organisms benefit
a relationship where a host that has evolved to benefit from a parasite
a type of symbiosis
a relationship in which the small fish will soon be eaten by the predatory shark
Carnivores are also known as ____________.
In which of the following cycles is carbon dioxide released by animals during respiration?
carbon monoxide cycle
Organisms producing either large numbers of small offspring or low numbers of large offspring is an example of ___________ in nature.
nature vs. nurture
a free lunch
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