Animals are classified into vertebrates and invertebrates based on the presence and absence of
back bone
ribs
legs
cranium
Earth worm is an example of
Eucoelomate
Acoelomate
Pseudo coelomate
Coelom
Which is the highly poisonous fish in the world?
Star fish
Stone fish
Lion fish
Shark
Sponges are example of ______ phylum.
mollusca
annelida
porifera
protazoa
Fishes live in fresh water and breed in the ocean, this migration is called as
Anadromous
Catadromous
Amphidromous
Bidromous
Cockroach belongs to which phylum.
Protozoan
Porifera
Arthropoda
Mollusca
______ is referred to as farmer's friend.
Cockroach
Leech
Birds
Earthworms
Among the following which one is an example of acoelomate
Earth worm
Round worm
Tape worm
Fish
During the time of delivery, the mother experience severe labour pain, Name the hormone responsible for it?
estrogen
progesteron
oxytoxin
glucocorticoid
Round worm is an example of