The Shells of Diatoms and Radiolaria,which Accumulate on the Abyssal

question 45

Multiple Choice

The shells of diatoms and radiolaria,which accumulate on the abyssal plain,are composed of

• A)calcium carbonate.
• B)iron sulfide.
• C)silica.
• D)sodium chloride.

Differentiate between parasitism and other ecological relationships.

Explain the concept and importance of resource partitioning to reduce competition.

Understand interspecific and intraspecific competition and its examples.

Identify ecological concepts demonstrated by food chains and trophic levels.

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