What can feed its self by either absorbing other living material or through photosynthesis ?

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a

Most enzyme names end in the

In pea plants, yellow seed color (y) is dominant and green seed color (y) is recessive. based on the punnett squares, what are the chances that the offspring in the second generation will have green seeds?