3.3 the importance of biodiversity

biodiversity

the number of different types of specis in an ecosystem

how the loss of biodiversity can impact human

has a potential to cause serious disruption in bio geochemical cycles such as carbon cycle.

threatens food supply when entire species and plant varieties are lost

eliminates sources of natural medicines and maybe undiscovered onces

species at risk

Species at risk are plants or animals that may become extinct or disappear from their habitats.

Why are species at risk important?

They play a critical role in their ecosystems and a loss can affect other species and the environmen

extirpated

when species no longer exist in the wild in a specific area but still live elsewhere

extirpated example

paddlefish from all canada

endangered

when species are in near danger of going extinction or extirpation

example of endangered

swift fox

threatened

when species are likely to become endangered if current trends continue

special concern

when species may become threatened or endangered because of a combination of factors

special concern example

polar bear

threatened example

humpback whale