In Appellia, it takes 10 units of resources to increase its output of sugar from 12 tons to 13 tons, but 11 units of resources to increase output from 13 tons to 14 tons, and 12 units of resources to increase output from 14 tons and 15 tons, and so on. The need for increasing resources is an example of .

By water evaporation from the leaves is created a negative pressure at the top of the tree that promotes the ascension  of the water through channels that are called xylem. there are also two molecule forces that are involved: the intra-water molecules cohesion (water molecules stick to each other) and the adhesion when the water molecules stick to the channels they are running in. this is what enables water to go from the roots to the top of a tall tree.

Homologous chromosomes with heterozygous alleles d) heterozygous chromosomes with homozygous alleles

Achair would be nonliving, also a toy, clothesand living things would be humans, animals, bugs