Answered: Whichstatement about organisms’…

Aquaculture Science

3rd Edition

ISBN:9781133558347

Author:Parker

Publisher:Parker

Chapter13: Aquatic Structures And Equipment

Section: Chapter Questions

Problem 3KA

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Question

Which
statement about organisms’ “niches” is false?
a.
The niche summarizes environmental factors influencing growth, survival,
and reproduction of a species.
b.
The niche concept was developed by Joseph Grinnell and Charles Elton.
c.
The “fundamental” niche refers to physical, but not
biological, aspects of the environment.
d.
Interactions such as competition and parasitism may restrict the size of
an organism’s niche.
e.
In the laboratory, two species with identical niches are especially easy
to maintain in a mixed culture.

Definition Definition Organism that lives in the body of another organism and obtains food at the expense of the host. A parasite can directly or indirect harm the host. There are two kinds of parasites: internal and external. An internal parasite lives inside another organism and is known as an endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite. Protozoa and helminths are examples of major human parasites.

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