Answer:
Cellular respiration breaks down glucose, photosynthesis builds glucose.
As materials move from higher to lower concentration diffusion is occurring.
Heterozygous, because there are two different alleles for one trait.
Tissue, the word cell is singular - there is more than one cell here.
Dolphins eat the equivalent of 4-5% of their body mass each day. The sonar frequency most often used by thedolphins is around 100kHz. Notice thequalitative data are descriptions. Thequantitative data are objective, numerical measurements.