Is this actually a question? Lol.
Answer: Because of the texture of their skin. Lizards have dry scaly skin, whereas the frogs have thin, moist skin.
Answer:
When the seed germinates, the two cotyledons emerge from the soil to form the seed leaves. The seed leaves nourish the plant until it can form its true leaves. (Not all dicots' seed leaves emerge during germination; for example, peas are dicots, but the pea cotyledons remain underground.)
Explanation: