WebApr 10, 2024 · The number of offspring produced using this method is lower than those seen in animals that engage in external fertilization. While challenging, these drawbacks do not outweigh the positives that species obtain from fertilizing internally. Animals that use internal fertilization can protect their offspring throughout their development and youth. WebIn sexual reproduction new organisms are produced from the fusion of a male sex cell with a female sex cell. This fusion of gametes is called fertilisation. Sex cells are also known as...
18.1: How Animals Reproduce - Biology LibreTexts
WebMeiosis occurs in the male flower parts to produce pollen (represented by the green circle) and the female floral organs produce egg cells (represented by the white circle). Spores … WebThe multicelluar haploid stage (the gametophyte) produces gametes via mitosis which fuse to form a diploid zygote. The zygote develops into a mature multicellular diploid individual … the pennfield school
Solved Thought Questions 15. Is there anything comparable to
WebIn animals, it occurs inside the ovaries and testis of animals, and antheridia and archegonia in plants. It occurs inside the female reproductive system of animals and in female gametophytes of plants. Formation of haploid gametes. Formation of diploid cells of the embryo. 15. Describe the post-fertilisation changes in a flower. Solution: WebApr 19, 2016 · I don't think gametes are ever produced by mitosis. There can be modified meiosis in which there is no halving of the number of chromosomes. This can be seen in … WebJun 26, 2024 · Gametes are formed through meiosis (reduction division), in which a germ cell undergoes two fissions, resulting in the production of four gametes. During fertilization, male and female gametes fuse, producing a diploid (i.e., containing paired chromosomes) zygote. Why must gametes be produced through meiosis? siam thai esperance menu