Alya Is Visiting a Zoo and Notices That One Male

question 334

Multiple Choice

Alya is visiting a zoo and notices that one male peacock has a really scrawny,thin tail compared to the other peacocks.Furthermore,this one sad looking peacock is completely ignored by all the peahens.What is most likely the reason for this?

• A) Peacocks advertise their health by the size of their tails.
• B) The peahens have already mated with him.
• C) The peahens are only receptive for a short period of the year.
• D) Peahens prefer peacocks with long tails that have more 'eye' spots.

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Definitions:

Methanogens

Microorganisms that produce methane as a byproduct of their metabolism, usually found in anaerobic environments.

Attachment Stage

The initial phase in some viruses' life cycles during which the virus attaches to a host cell's surface.

Viroids

Small, circular RNA molecules that infect plants, lacking a protein coat.

Retroviruses

A type of virus that inserts a copy of its RNA genome into the DNA of a host cell it invades, changing the genome of that cell, such as HIV.