hydra animal reproduction

Reproduction in Animals Class 8 MCQs Questions with Answers. Question 1. Asexual Reproduction 14. • External fertilization-occurs outside the body of a female. Asexual reproduction takes place either by budding or by fission. Sexual Reproduction in Hydra Unlike asexual reproduction, sexual reproduction in Hydra occurs when environmental conditions become unfavorable for the organism (autumn or winter). Hydra reproduces by asexual and sexual methods. Hydra (nombre común hidra) es un género de hidrozoos hidroides de la familia Hydridae propios de las aguas dulces.Miden unos pocos milímetros y son depredadores, capturando pequeñas presas con sus tentáculos cargados de células urticantes.Tienen un asombroso poder de regeneración y se reproducen tanto asexual como sexualmente y son hermafroditas. 13. Predatory hydra feed on insect larvae and, especially, small crustaceans, such as water fleas, seed shrimps and copepods. • It occurs in some animals such as: –Starfish –Hydra –Flatworm 15. Budding appears to be the normal method of reproduction in Hydra and occurs at all times of the year. Also explore over 25 similar quizzes in this category. The number of modes by which animals reproduce are Try this amazing Animal Reproduction quiz which has been attempted 1506 times by avid quiz takers. A bud is usually formed in the middle of the body by rapid multiplication of inter­stitial cells. Write the similarities and differences between budding in yeast and hydra However, any small animal up to the size of the hydra may be engulfed. Examples of animals that carry out internal fertilization are: rhinoceroses, dogs, birds, crocodiles, insects and elephants 12. Asexual reproduction takes place either by budding or by fission. Budding appears to be the normal method of reproduction in Hydra and occurs at all times of the year. They mostly occur in ponds, lakes, and slow flowing parts of streams and rivers. Choose the correct option. 6. You can refer to NCERT Solutions for Class 8 Science Chapter 9 Reproduction in Animals to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams. 56 Reproduction in Animals Changes in the nucleus/body structure 1st diagram: 2nd diagram: 3rd diagram 4th diagram 5th diagram 6th diagram Does zygote form in this type of reproduction, why? Habitat: Hydra can be found in large variety of freshwater habitats. Here, such factors as changes in temperature (low temperatures) and the lack of sufficient food sources cause the organism to start developing gonads in preparation for sexual reproduction. Reproduction in Hydra: Hydra reproduces by asexual and sexual methods. Hydra …

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