Other pages in this set

Page 2

Preview of page 2

Here's a taster:

F215 Module 3: Ecosystem and Sustainability
In 1934, GeorgyiFrantsevitchGause grew two species of Paramecium , both
separately and together. When together, there was competition for food,
with Paramecium aurelia obtaining more food effectively than
Parameciumcaudatum , resulting in Paramecium caudatum dying out and the
numbers for Paramecium aurelia increasing, eventually becoming the only
species remaining .
Gause concluded that more overlap between two species' niches would
result in more intense competition .…read more

Page 3

Preview of page 3

Here's a taster:

F215 Module 3: Ecosystem and Sustainability
Preservation is the protection of ecosystems, as yet unused by humans, leaving it untouched so it is kept exactly
as it is.
(f) explain how the management of an ecosystem can provide resources in a sustainable way, with reference to
timber production in a temperate country
With human population getting larger and expanding exponentially, it is putting pressure on our resources.…read more

Page 4

Preview of page 4

Here's a taster:

F215 Module 3: Ecosystem and Sustainability
(h) discuss the economic, social and ethical reasons for conservation of biological resources
Economic Social Ethical
Provide resources that humans need, e.g. clothes, food, drink, Areas to enjoy Organisms have
etc. for recreation, the right toexist .
Genetic diversity in wild strains may be needed in future to e.g. bird Moral
breed for disease resistant, drought tolerance or watching. responsibility to
improvedyield = better crops means more money. Aestheticallyple future
New drugs can still be discovered in natural environments.…read more

Page 5

Preview of page 5

Here's a taster:

F215 Module 3: Ecosystem and Sustainability
'No take' areas have been set up where tourists
are not allowed to extract resources and
communitiesare left undisturbed .…read more

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all resources »