Vocabulary
An environment that provides the things an organism needs to live, grow, and reproduce.
What is a habitat?
These organisms produce energy through the use of photosynthesis.
What are plants/producers?
Any relationship where two species live close together.
What is symbiosis?
The role an organism plays in its environment.
What is the niche?
The organism that a parasite lives in or on in a parasitism interaction.
What is a host?
The community of organisms that live in a particular area, along with their nonliving surroundings. This includes abiotic and biotic factors.
What is an ecosystem?
These organisms are herbivores, therefore they are called ______________ consumers.
What is primary?
A bee and a flower is an example of which type of relationship?
What is mutualism?
The term given to a species that plays a very important role in an ecosystem. The ecosystem would fall apart quickly if this species dissappeared.
What is a keystone species?
An organism that is killed and eaten by another organism.
What is prey?
A relationship between two species in which one species benefits and the other is neither helped nor harmed.
What is commensalism?
These organisms are typically at the top of the food chain. They are called ____________ consumers.
What is tertiary?
The three types of symbiotic relationships.
What are mutualism, commensalism, and parasitism?
The type of consumer that eats both plants and animals.
What is an omnivore?
A carnivore that feeds on the bodies of dead organisms.
What is a scavenger?
An organism that breaks down wastes and dead organisms.
What is a decomposer?
This is a way to show how energy in a food web is allocated. Usually there is a large base and a pointed top.
What is an energy pyramid?
A leech feeding on a human is an example of which type of relationship?
What is parasitism?
This term describes any necessity of life (nutrients, water, sunlight).
What are resources?
An interaction in which one organism kills another for food.
What is predation?
A series of events in which one organism eats another and obtains energy. Usually written on one line.
What is a food chain?
A network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem.
What is a food web?
Bacteria living in a cow's stomach help the cow break down the cellulose in grass, gaining nutrients in the process. Is this an example of mutualism or commensalism? Explain your answer.
What is mutualism? Because both the cow and bacteria benefit from the relationship.
The _________ states that no two species can occupy exactly the same niche in exactly the same habitat at exactly the same time.
What is the competitive excluision principle?
A group of organiss that are physically similar and can mate wit each other and produce offspring that can also mate and reproduce.
What is a species?