Embryological evidence suggests that the echinoderms are closely related to

In tomato plants, mendel found that the allele for smooth seeds (s) is dominant, while the allele for wrinkled seeds (s) is recessive. which of these punnett squares shows crosses between two plants heterozygous for smooth seeds? i need this to be answered as soon as ! sry the picture is bad quality

Evolution acts upon the population of organisms and not on each individual organism

Why do you suppose the structural polysaccharide cellulose does not contain branches?