Which of the embryo has parasite mode of nutrition

Options

A. Bird's embryo
B. Amphibian embryo
C. Reptilian embryo
D. Mammalian embryo

Explanation

**Step-by-Step Solution:**

1. **Understanding Parasitic Nutrition**: Parasitic nutrition is a type of heterotrophic nutrition where one organism derives nutrients from another organism. This can occur either by living inside the host (endoparasitism) or on the surface of the host (ectoparasitism).

2. **Identifying the Embryos**: We need to consider the types of embryos mentioned in the question. The question implies that we are looking for an embryo that exhibits parasitic nutrition.

3. **Analyzing Mammalian Embryo**: The mammalian embryo is connected to the mother through a structure called the placenta. The placenta facilitates the transfer of nutrients and gases between the mother and the embryo.

4. **Conclusion**: Since the mammalian embryo relies on the mother's body for its nutritional needs and is dependent on the mother for survival, it exhibits a parasitic mode of nutrition.

5. **Final Answer**: Therefore, the embryo that has a parasitic mode of nutrition is the mammalian embryo.

---