a plant or animal that is in danger of extinction, either throughout its entire range or in a significant portion of it is known as _________
Endangered Species
the variety of life in an area that is determined by the number of different species in that area is known as _________
Organism that creates glucose using energy from sunlight. Plants. Autotrophs.
Producer
Close relationship between two organisms, two species related/interacting in environment.
Symbiotic relationships
What do the arrows represent in a food web or food chain?
a non-native organism that can cause harm is known as _______
Invasive Species
deals with the variation of genes inherited within a population is known as ______
genetic diversity
Organism that gets energy from producers or other consumers. Animals. Heterotrophs.
Consumer
Both species benefit
EX: Bird cleans alligator's mouth
Mutualism
extinction, humans, limiting factors are examples of _________
threats to biodiversity
When a population is about to become endangered it is known as ______
Threatened
deals with the number of different species and the number of each specific species in a ecosystem is known as ______
Species diversity
Describes the level of feeding hierarchy in an ecosystem (or food chain or food web).
Trophic Level
One species benefits, the other is not affected
EX: Bats (none)and cockroaches(home) in the cave
Commensalism
the disappearance of a species when the last of the members dies
Plants or animals that are originally from a part of the world other than where they are growing are known as ________
Non-native species
refers to the variation in ecosystems in the biosphere is known as _______
Ecosystem diversity
Model of a feeding relationship between one or more producers and many consumers in an ecosystem.
Food Web
One species benefits, the other is harmed
Parasitism/Predation
use of resources at a rate that they can be replaced or reduced
Sustainability/sustainable use
having more animals or plants in a given area than the resources can support is known as ______
Over populated
three types of biodiversity are what _____
genetic, species, and ecosystem diversity
Model of an ecosystem that shows how energy is distributed throughout an ecosystem as well as the relative amount of organisms in each trophic level.
Food Pyramid
Species compete against one another for survival (food, land, shelter, mates)
EX: Two different species of fish in a tank, the stronger one will one
Competition
What happens to an ecosystem if one species drastically decreases/goes extinct?
The ecosystem becomes unbalanced