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A piece of potato tuber with eyes
A middle piece of sugarcane internode
A piece of ginger rhizome
A marginal piece of Bryophyllum leaf
it is not affected by adverse environmental conditions
fertilization is a chance factor
it rapidly multiplies the population
it assists in evolution by producing variations.
syngamy
embryogenesis
oogamy
parthenogenesis.
Fucus
Funaria
Marsilea
all of these.
never occurs
occurs at time of gamete production
occurs after fertilisation
occurs during vegetative growth.
single-celled zygote
double-celled zygote
haploid zygote
haploid gametes.
It is usually biparental.
Gametes are always formed.
It is a slow process
It involves only mitosis.
proper embryonic care and protection is absent
embryo does not develop completely
progenies are of smaller size
genetic variations do not occur.
birds and reptiles
birds and mammals
mammals and reptiles
Lizard, Turtile
Platypus, Crocodile
Cow, Crocodile
Whale, Mouse
Ornithorhynchus and Echidna
Macropus and Pteropus
Balaenoptera and Homo sapiens
Both (a) and (c)
Sharks
lizards
frogs
birds