Download Biodiversity Exam Review

Biodiversity Exam Review Sheet
Definitions
● Biodiversity: the variety of life in a given ecosystem
● Keystone species: one that is critical to the survival of an ecosystem
● Invasive species: invasive species is a species that does not naturally occur in a specific area
and whose introduction does or is likely to cause economic or ecological harm
● Genetic Biodiversity: the sum total of all different forms of genetic information carried by a
particular species, or by all organisms on Earth.
● Ecosystem diversity refers to the variety of habitats, communities, and ecological processes in
the biosphere.
● Species diversity - The number of different species in the biosphere, or in a particular area.
● Ecological hot spot - biogeographic region with a significant reservoir of biodiversity that is
under threat from humans.
Biodiversity of Microbes - study your notes
● 5 types of microbes - archaea (extremophiles), protists, fungi, viruses, bacteria
○ be able to give examples of each
● Why is eating yogurt good for when you are taking antibiotics (probiotic)
● Commensal bacteria - “Normal Flora” - how do they help us?
Biodiversity Review slides - study the slides
● 3 types of biodiversity - what are they?
○ What are they? How are they related?
● Threats to biodiversity - how do these affect ecosystems?
○ Human activity
○ Altering habitat - habitat fragmentation
○ hunting
○ pollution
○ introducing invasive species
● conserving biodiversity - Conservation Biology
○ protect individual species
■SSPs
■Captive-breeding program
○ preserve habitats and ecosystems
■Ecological hot spots
● be able to identify several
■preserve natural interactions of as many species as possible
Miscellaneous
● Recreational activities
● Ecosystems
○ Vernal pools
○ Rainforests
● Endangered and Threatened Species
○ know what the Endangered Species Act is!