The 2 fertilisation's are external fertilisation, or internal fertilisation. External fertilisation is the type frogs do.
The two types of fertilization are 1. Internal fertilization 2. External fertilization Internal fertilization takes place within the body of the female. External fertilization takes place outside the body of female. It takes place by layong eggs.
A process call cell differentiation which begins soon after fertilization,
Identical twins
1. gametes - zygote - fertilization - embryo 2. fertilization - zygote - gametes - embryo 3. zygote - gametes - fertilization - embryo 4. gametes - fertilization - zygote - embryo answer is 4. gametes-fertilization-zygote-embryo
Germinal period is within the 36 hours of fertilization. This where the cells division that place of fertilization to 2-3 weeks.
what are the 2 kinds of database
2. 46 chromosomes.
Fertilization
they use internal fertilization they use internal fertilization they use internal fertilization they use internal fertilization
They Have Internal Fertilization
for reptiles it is internal fertilization and they can't do external fertilization
fertilization