Ecology Flashcards
What are the 3 types of population distribution?
Random, cluster, and uniform.
Niche definition
An organisms role in their community
Name a species and it’s 4 limiting factors.
Cottontail rabbit. Density dependent - poor reproduction. Density independent - temperature. Biotic - A suitable habitat. Abiotic - Food
Abiotic defintion
The non-living components in an environment.
Biotic definition
The living components in an environment.
Habitat defintion
The natural home of an organism.
Population definition
All individuals of the same species in an ecosystem.
Community definition
All living organisms in an ecosystem
Ecosystem defintion
All living organisms in an community and how they interact.
Organism definition
A single living creature
Ecology definition
The study of interactions between organisms and their environment.
Biosphere defintion
The entire portion of life that is inhabited by life.
Extinct definition
A species that no longer exists.
Endangered definition
A species that is facing extinction in the near future.
Extirpated definition
Any species that has disappeared in a certain area
Threatened definition
A species that is likely to become endangered
Biodiversity definition
The variety of life on Earth.
Invasive species definition
An introduced species that causes harm to its new environment.
Species definition
Living organisms consisting of similar individuals.
Carrying capacity definition
The maximum an environment can hold of species.
How can reintroducing a new species affect biodiversity positively?
Reintroduction can increase diversity.
Name an invasive species and its 3 negative effects on an ecosystem.
Zebra mussels. They filter out algae, blocked water intake and incapacitate native mussels.