Grade 11 Exam > Grade 11 Videos > Biology for Grade 11 > Frog: Reproductive System
Frog: Reproductive System Video Lecture | Biology for Grade 11
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FAQs on Frog: Reproductive System Video Lecture - Biology for Grade 11
| 1. What are the main parts of the frog's reproductive system? |  |
Ans. The main parts of the frog's reproductive system include the testes (in males) and the ovaries (in females), which produce reproductive cells (sperm and eggs respectively). Additionally, there are other structures such as the cloaca, where the reproductive and excretory systems meet, and the oviducts (in females) and the vas deferens (in males), which transport the reproductive cells.
| 2. How do frogs reproduce? | |
Ans. Frogs reproduce through a process called external fertilization. During mating, the male frog grasps the female from behind in a behavior known as amplexus. As the female releases eggs into the water, the male fertilizes them by simultaneously releasing sperm. The fertilized eggs develop externally in water, eventually hatching into tadpoles.
| 3. Do all frogs have the same reproductive process? | |
Ans. No, not all frogs have the same reproductive process. While most frogs reproduce through external fertilization, there are some species that exhibit internal fertilization. In these species, the male transfers sperm directly to the female's cloaca, where fertilization occurs. The female then lays fertilized eggs or gives birth to live young, depending on the species.
| 4. How long does it take for frog eggs to hatch? | |
Ans. The time it takes for frog eggs to hatch varies depending on the species and environmental conditions. Generally, it takes anywhere from a few days to a few weeks for the eggs to hatch into tadpoles. Factors such as temperature, water quality, and availability of food can influence the hatching time.
| 5. Are there any threats to frog reproduction? | |
Ans. Yes, there are several threats to frog reproduction. Habitat loss, pollution, climate change, and disease outbreaks can all negatively impact frog populations and their ability to reproduce. Additionally, the introduction of non-native species can disrupt breeding patterns or prey on frog eggs and tadpoles. These threats highlight the importance of conservation efforts to protect frog reproductive systems and ensure their survival.
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Nov 24, 2024 Last updated |
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