Explain why seasons are not the same at the north and south poles all years long. (atleast 3 to 4 sentences)

The transport tubes from food came down the plant are called?

This is the interaction of two organisms where one is and the other is neither nor harmed.

1. isogamy 1 organisms with gametes of the same size and shape 2. anisogamy organisms with gametes of different sizes and shapes 3. oogamy 2 organisms with gametes of the same shape but different sizes 4. gonads gamete-producing organs in lower plants 5. gametangia gamete-producing organs in animals