Stage 1 Biology Investigation Folio Task: Science as a Human Endeavour Topic 4: Biodiversity and Ecosystem Dynamics Introduction and Purpose of task: The term keystone species was created by American zoologist Robert T. Paine in 1969. He likened these species to the pillars of a bridge, as without these the bridge would not stand. A keystone species ● is a species that has a disproportionately large effect on its ecosystem relative to its abundance (population's size). ● O can be described as playing an important role in maintaining the structure the community. Such species help to maintain local biodiversity within a community either by controlling populations of other species that would otherwise dominate the community or by providing critical resources for a wide range of species. This task provides the opportunity to ● ● investigate the importance of a keystone species and how humans impact these species determine the effect of scientists' work on these species from various perspectives (e.g. the influence of economic, social or environmental factors) evaluate the solutions proposed by scientists (Application and Limitation) that could be used to reduce the impact of human activities on these species and their ecosystem ● communicate your findings as either an article in a scientific journal or a report providing an expert's point of view ● use and acknowledge a variety of relevant sources to find data and information
Stage 1 Biology Investigation Folio Task: Science as a Human Endeavour Topic 4: Biodiversity and Ecosystem Dynamics Introduction and Purpose of task: The term keystone species was created by American zoologist Robert T. Paine in 1969. He likened these species to the pillars of a bridge, as without these the bridge would not stand. A keystone species ● is a species that has a disproportionately large effect on its ecosystem relative to its abundance (population's size). ● O can be described as playing an important role in maintaining the structure the community. Such species help to maintain local biodiversity within a community either by controlling populations of other species that would otherwise dominate the community or by providing critical resources for a wide range of species. This task provides the opportunity to ● ● investigate the importance of a keystone species and how humans impact these species determine the effect of scientists' work on these species from various perspectives (e.g. the influence of economic, social or environmental factors) evaluate the solutions proposed by scientists (Application and Limitation) that could be used to reduce the impact of human activities on these species and their ecosystem ● communicate your findings as either an article in a scientific journal or a report providing an expert's point of view ● use and acknowledge a variety of relevant sources to find data and information
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Are you able to help me formulate a question regarding Keystone species? I have chosen to focus on Australian bees and the questions must cover the SHE conceptions. I want the question to be sophisticated and clear. I’ve attached a photo of the task sheet. Please give a 3-4 questions for ideas. Thanks!
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Stage 1 Biology
Investigation Folio Task: Science as a Human Endeavour
Topic 4: Biodiversity and Ecosystem Dynamics
Introduction and Purpose of task:
The term keystone species was created by American zoologist Robert T. Paine in 1969. He likened
these species to the pillars of a bridge, as without these the bridge would not stand.
A keystone species
●
is a species that has a disproportionately large effect on its ecosystem relative to its
abundance (population's size).
can be described as playing an important role in maintaining the structure the community.
O Such species help to maintain local biodiversity within a community either by
controlling populations of other species that would otherwise dominate the
community or by providing critical resources for a wide range of species.
This task provides the opportunity to
•
●
investigate the importance of a keystone species and how humans impact these species
determine the effect of scientists' work on these species from various perspectives (e.g. the
influence of economic, social or environmental factors)
●
evaluate the solutions proposed by scientists (Application and Limitation) that could be
used to reduce the impact of human activities on these species and their ecosystem
●
communicate your findings as either an article in a scientific journal or a report providing an
expert's point of view
use and acknowledge a variety of relevant sources to find data and information
19
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