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
B.
commensalism
In commensalism, association between members of different species is made in the way that one is benefitted and other neither is benefitted nor harmed.
Antibiosis is the complete or partial inhibition of one organism by another through the production of some substance as a result of metabolic pathways.
In parasitism the parasite organisms derives food and sometimes shelter also, from the host without killing it.
In predation, predatory organisms are free living which catch and kill another species for food.
In rabbit, head of epididymis present at the head of testis is called
vas deferens
cauda epididymis
gubernaculum
caput epididymis
the group of Anamniota includes
reptiles and birds
birds and mammals
fishes an amphibians
reptiles and mammals
Animals undergoes inactive stage during winter, is known as
aestivation
hibernation
adaptation
acclimatization
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
