Many mammals, especially those living in natural, wild conditions exhibit reproductive cycles only during favourable seasons in their reproductive phase and are therefore called.

Many mammals which are reproductively active throughout their reproductive phase are called.

Many mammals which are reproductively active throughout their reproductive phase are called.

$ Annual plants live for only one favourable season. ! Polycarpic plants are those which produces flowers and fruits many times during their life span.

$ Annual plants live for only one favourable season. ! Polycarpic plants are those which produces flowers and fruits many times during their life span.

In primate mammals cyclical changes occur during reproduction are called

Read the following text and answer the following questions on the basis of the same: During sexual reproduction, the male inserts the sperm into the female reproductive tract, and sperm receive by the ovary and after that sperm fuse with the egg (ovum) in the ampullary region, this process is called fertilization, haploid nucleus of sperm fuse with that of ovum to form Diploid zygote. The phenomenon of sperm activation in mammals is known as.

Read the following text and answer the following questions on the basis of the same: During sexual reproduction, the male inserts the sperm into the female reproductive tract, and sperm receive by the ovary and after that sperm fuse with the egg (ovum) in the ampullary region, this process is called fertilization, haploid nucleus of sperm fuse with that of ovum to form Diploid zygote. Assertion (A): All copulations do not lead to the fertilisation and pregnancy. Reason (R): Fertilisation can occur only if the ovum and sperms are transported simultaneously to the ampulllary-isthmic junction.