Ants
smell, taste and touch with their antennas. Their cylinder-like heart
pumps colorless blood throughout their body.
Ants digest only liquid food or food rendered liquid with their
digestive juices. Ants share digested food with each other. They can
carry 15-20 times their body weight.
Only the colony's queen breeds. Unfertilized eggs develop into males.
The queen also lives much longer - up to 10 years, compared to worker
ants which survive on average 50-150 days and up to 2 years in the
tropics.
Some ant varieties create no nests. Instead, worker ants link their
legs to form a living fabric on which the queen resides and performs
her functions.
http://www.lingolex.com/ants.htm
http://ant.edb.miyakyo-u.ac.jp/INTRODUCTION/Gakken79E/Page_02.html
Appendix
The appendix is located at the beginning of the large intestine. Many
types of animals have it, including rabbits and rodents. It contains
gut associated lymphoid tissue (GALT) involved in recognizing foreign
antigens in ingested food. The appendix is also helpful in the
maturation of certain white blood cells (B lymphocytes) and antibodies
(Immunoglobulin, or IgA).
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