Animals undergoes inactive stage during winter, is known as
aestivation
hibernation
adaptation
acclimatization
B.
hibernation
Hibernation is the inactive stage during winter or the dormancy during winter. It is known as winter sleep.
Aestivation is the dormancy during summer or dry weather. Also, it is the arrangement of parts in flower bud.
Adaptation is the sum total of environmental condition achieved by the organisms in a habitat.
Acclimatization is gradual physiological adaptation in response to environmental changes.
the group of Anamniota includes
reptiles and birds
birds and mammals
fishes an amphibians
reptiles and mammals
Small fish get stuck near the bottom of a shark and derives its nutrition from it. This kind of association is called as
antibiosis
commensalism
predation
parasitism
In rabbit, head of epididymis present at the head of testis is called
vas deferens
cauda epididymis
gubernaculum
caput epididymis
Which of the following is not vestigial in man?
Tail vertebrae
Nails
Nicitating membrane
Vermiform appendix
Which of the following provides most evident proof of evolution?
Fossils
Morphology
Embryo
Vestigial organs