C. Very Short Answer Type Questions 1. What type of fertilisation takes place in oviparous animals? 2. What is that tube called where the fertilisation takes place in humans? 3. What is the fusion of male and female gametes called? 4. What are the larvae of frog and butterfly called? 5. What is the attachment of embryo to the wall of uterus by placenta called?
D. Short Answer Type Questions 1. Explain the differences between oviparous and viviparous animals with two examples each. 2. In what way does a tadpole differ from an adult frog? 3. What causes pregnancy? How long does it last in humans? 4. What is asexual reproduction? Explain in short. 5. What is metamorphosis? 6. Draw the life cycle of butterfly.
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Oviparous - Eggs, Externally, Sperm, and Fertilization - JRank Articles Oviparous animals may fertilize their eggs either externally or internally. External fertilization involves the passage of the sperm to the ova through an ambient medium, usually water.
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How Pregnancy (Conception) Occurs - My Health Alberta A pregnancy starts with fertilization, when a woman's egg joins with a man's sperm. Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.
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Asexual and sexual reproduction - National 4 Biology Revision - BBC In 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.
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Animal development - The larval phase and metamorphosis Larvae in different animals have special names given to them, such as the tadpole of frogs, the caterpillar of butterflies, and the fry of fishes.
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Attachment of embryo to the wall of the uterus is known as…….. Implantation is the very early stage of pregnancy at which the embryo adheres to the wall of the uterus. Placentation is the formation, type and structure or arrangement of placentas. Implantation is the very early stage of pregnancy at which the embryo adheres to the wall of the uterus.
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Difference Between Oviparous and Viviparous - ResearchGate The main difference between oviparous and viviparous animals is that oviparous animals do not undergo any embryonic development inside the mother whereas viviparous animals develop into a young animal inside the mother. This means oviparous animals lay eggs. ... Most mammals are viviparous animals.
Answer:
1. What type of fertilisation takes place in oviparous animals?
answer: Oviparous animals may fertilize their eggs either externally or internally. External fertilization involves the passage of the sperm to the ova through an ambient medium, usually water.
2. What is that tube called where the fertilisation takes place in humans?
answer: A pregnancy starts with fertilization, when a woman's egg joins with a man's sperm. Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.
3. What is the fusion of male and female gametes called?
answer: Syngamy is the process in which the fusion of the male and female gamete takes place. It occurs in the fallopian tube and results in the development of fertilized egg cells or the zygote. This zygote undergoes cell division to form a new individual. It is also known as fertilization.
4. What are the larvae of frog and butterfly called?
answer: Larvae in different animals have special names given to them, such as the tadpole of frogs, the caterpillar of butterflies, and the fry of fishes.
5. What is the attachment of embryo to the wall of uterus by placenta called?
Implantation is the very early stage of pregnancy at which the embryo adheres to the wall of the uterus. Placentation is the formation, type and structure or arrangement of placentas. Implantation is the very early stage of pregnancy at which the embryo adheres to the wall of the uterus.