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?
A relationship between two species in which one species benefits and the other is neither helped nor harmed.
What is a commensalism?
The definition of biodiversity is _____________________.
What is the variety of different organisms living in a certain area?
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?
The largest population that a given environment can support over a long period of time.
What is carrying capacity?
The term given to a species that plays a very important role in an ecosystem. The ecosystem would fall apart quickly if this species disappeared.
What is a keyston species?
An organism's way of life and its relationship with its abiotic and biotic environments.
What is a niche?
A diagram that represents how the energy in food molecules flows from one organism to the next
What is a food chain?
These organisms are typically at the top of the food chain. They are called ____________ consumers.
What is tertiary?
A symbiotic relationship in which both organisms benefit.
What is mutualism?
The two reasons biodiversity is important.
What are for economic reasons, medical reasons, scientific reasons, enviromental reasons?
The concentration of toxins in an organism as a result of its ingesting other plants or animals in which toxins are present.
What is biomagnification?
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?
An organism that is killed and eaten by another organism.
What is prey?
These animals have not changed for thousands of years.
What are living fossils?
An interaction in which one organism kills another for food.
What is predation?
The long term changes that take place in two species because of their close interactions with one another
What is coevolution?
What is the percentage of energy LOST as it moves from producer to primary consumer to secondary consumer?
What is 90%?
A carnivore that feeds on the bodies of dead organisms.
What is a scavenger?
This group of species are very sensitive to environmental changes. Usually they are the first to be hurt due to pollution.
What are indicator species?
A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce.
What is a species?