Q1 : Name the animal in which notochord is present only in the tail.
Q2 : What are biotopical diversity & mule?
Q3 : Why do amphibians don't possess exoskeleton?
Plz answer these 3 questions ASAP... Earn 15 pts... ;)
Answers
Answered by
20
1.Larva
2.A mule is the offspring of a male donkey and a female horse. Horses and donkeys are different species, with different numbers of chromosomes.
3.Amphibians dont have exoskelton since their skin is thin,moistand act as a respiratory organ
2.A mule is the offspring of a male donkey and a female horse. Horses and donkeys are different species, with different numbers of chromosomes.
3.Amphibians dont have exoskelton since their skin is thin,moistand act as a respiratory organ
Answered by
3
1)Ascidians
3)An exoskeleton is a hard outer covering made of a hard, semi-transparent substance called chitin.
Chitin forms the exoskeleton in arthropods including insects, arachnids such as spiders, crustaceans such as crabs and lobsters (see arthropod exoskeleton), and in some fungi and bacteria.
3)An exoskeleton is a hard outer covering made of a hard, semi-transparent substance called chitin.
Chitin forms the exoskeleton in arthropods including insects, arachnids such as spiders, crustaceans such as crabs and lobsters (see arthropod exoskeleton), and in some fungi and bacteria.
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