The number of eggs an animal produces is related its form of fertilization and development because the more eggs there are, the more likely it is for one to be fertilized.
We can do this with animals as well. They are called hybrids. Some are not fertile. An example of an animal is a mule: a cross between female donkey and a male horse. A cross between a male donkey and female horse produces a hinny which is considered worthless.
Meiosis.
in animal male produce sperm(male gametes) and female produce ova(female gametes).these gametes are produces in a their reproductive organs.therefore those cells which produces these gametes are called germ cells.they are haploid.when fertilization occur then formation of zygote take place
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A group of plants that depend on animal vectors for fertilization is called zoophytes. These plants rely on animals, such as insects, birds, or bats, to assist in the transfer of pollen from the male reproductive organs to the female reproductive organs, thus enabling fertilization. Examples include many flowering plants and orchids.
Gametogenesis Fertilization Cleavage Gastrulation Organogenesis and the Later Stages (Growth)
Internal fertilization is essential for true terrestrial living because this means an animal will give birth to live young. Their is never any stage of development where the young depend on water to survive.
wormsduckshumansbearssquidsharksdolphins
internal fertilization
We can do this with animals as well. They are called hybrids. Some are not fertile. An example of an animal is a mule: a cross between female donkey and a male horse. A cross between a male donkey and female horse produces a hinny which is considered worthless.
mitosis
Elephants are an animal that produces large piles of feces. A hippopotamus is another animal that produces large piles of feces.
Reptiles and birds are among the major groups of vertebrates that have internal fertilization and external development. Also included are monotremes and marsupials.
dog
Land animals.
Fertilization
meiosis → fertilization → zygote → embryo