Deep in the Ocean Off the Shore of Japan Are

question 49

Multiple Choice

Deep in the ocean off the shore of Japan are communities nestled around hydrothermal vents where super-heated water springs from the bottom of the ocean.No sunlight ever penetrates to these deep regions.In these communities,bacteria have special enzymes that allow them to form organic matter by chemosynthesis.These communities frequently have worms,clams,shrimp,and many other organisms clustered together.
-In such a system,fish feed on shrimp that feed on the bacteria.This food chain represents a

• A)tertiary consumer eating a secondary consumer eating a primary consumer.
• B)primary consumer eating a secondary consumer eating a tertiary consumer.
• C)consumer eating a producer which then consumes chemoautotrophic bacteria.
• D)secondary consumer eating a primary consumer which then eats a producer.

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Definitions:

Gene Expression

The process by which the information encoded in a gene is used to direct the assembly of a protein molecule, influencing an organism's traits.

Neurotransmitters

Chemical substances in the nervous system that transmit signals from one neuron to another.

Enzymes

Biological molecules that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.

Authoritarian

A style of leadership or governance characterized by strict obedience to authority and control over individuals without much personal freedom.