what are tentacles?
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Why do humans have two intestines - small and big?
Which animal uses an ultrasonic sonar to detect its pray?
What is the world's most poisonous snake, and where is it located?
What are panthers?
Which is the largest indian deer?
Which has the thickest skin of any living animal?
what r the differences between gastropoda and pelycypoda?
How does excretion take place in fish?
what is the meaning of the word "kwashiorkor"?
Discuss the major features of at least two very different nervous systems (i.e. jellyfish, locust, lamprey, octopus, owl, rat, monkey). In what ways might the features of each system affect neural processing?
Why do some animals have larger brains than others? Why do animals with larger bodies have larger brains? How does brain size relate to metabolism or to longevity?
why the coelome is considered as perihaemal system in phylum echinodermata?