Describe how mendel showed that the green-seed trait did not disappear but was only masked.

Mendel had determined that the allele for green seeds had not vanished because after the second generation of yellow seeds, green seeds started appearing again. He logically concluded that the yellow allele was a dominant trait and the green allele was a nondominant trait.

An ecosystem is in a certain area and includes living and non living plus there is weather conditions and a biome is a large amount of area with similar climate.so ecosystem is based on weather and biome is based on the average climate