Fertilization in earthworm is
cross fertilization
combined fertilization
self-fertilization
All of the above
A.
cross fertilization
Earthworms are hermaphroditic i.e., functional reproductive organs of both sexes occur in the same individual. The eggs of one individual, however, are fertilized by the sperm of another individual, i.e. cross fertilization. During mating two earthworms are bound together by a sticky mucus while each transfers sperm to the other.
One difference in breathing mechanism of frog and rabbit is that
expansion of frog's lungs is not much
abdominal movements more in frog
diaphragm and rib muscles play important role in rabbit
air reaching frog's lungs is to cool
Which one of the following contains the largest quantity of extracellular material?
epithelial tissue
neural tissue
Striated muscle
Areolar tissue
If frog's brain is crushed, even then its leg moves on pinpointing. It is called
simple reflex
conditional reflex
neurotransmitter function
autonomic nerve condition
