WebNov 26, 2024 · Fertilization in bryophytes or pteridophytes is considered as a internal fertilization because fusion of male and female gametes (syngamy) occurs inside the … Web1. The period from birth to the natural death of an organism represents its life span. REPRODUCTION 2. Life spans of organisms are not necessarily correlated 1. Reproduction is defined as a biological process in with their sizes, e. g ., the sizes of crows and parrots are which an organism gives rise to young ones (offspring).
Solved D 7. Why is internal fertilization necessary for true - Chegg
WebJul 1, 2024 · Internal fertilization is the process of union of male and female gametes inside the female body after insemination using copulation whereas external fertilization is the union of male gamete with female gamete outside the body, usually in the outer environment, especially in water bodies. Internal fertilization occurs in the mammals … WebMar 23, 2024 · Internal fertilization is characterized by the sperm of the fertilizing egg within the female. The second step of fertilization is karyogamy.-Liverworts: In sexual … cookeo idealo
Bryophytes: Characters and Functions Plant Kingdom
WebD 7. Why is internal fertilization necessary for true terrestrial living? Plants have evolved a number of characteristics that attract animals and ensure pollination. Describe one … WebThe first step for the sperm to get out of the antheridia and the second is to then travel to the archegonia and fertilize the eggs within. Water is essential for both steps. In some bryophytes a mature antheridium will hold free … WebNov 15, 2024 · effect fertilization. The bryophytes have evolved a life cycle which comprises two phases, ... Some bryophytes show a strong affinity either for acidic ... and thus directly affects the internal ... cookeo gamme