Posted on 07 August 2012. Tags: acacia, acacia seeds, biology help, Bird, bird species, Community, exotic bird, food resources, niche, parrot, red rumped parrot, use
question 11) if an exotic bird species tha feeds on acacia seeds were introduced to this community in this habitat, which existing species would be expected to be most affected by this introduction?explain
question12) a species was identified as having niche with a high degree of niche overlap with the red rumped parrot in terms of its use of food resources.what predcitions would you make abt this species?
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Posted on 20 October 2010. Tags: dolphin, ecological niche, ecosystem, Ecosystems, food resources, food source, organism, pathogens, pods, position, predators, Relation, shorthand
the relational position of a species or population in its ecosystem to each other; e.g. a dolphin could potentially be in another ecological niche from one that travels in a different pod if the members of these pods utilize significantly different food resources and foraging methods.
A shorthand definition of niche is how an organism makes a living.
The ecological niche describes how an organism or population responds to the distribution of resources and competitors (e.g., by growing when resources are abundant, and when predators, parasites and pathogens are scarce) and how it in turn alters those same factors (e.g., limiting access to resources by other organisms, acting as a food source for predators and a consumer of prey).
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