The physical and genetic embryological similarities among these organisms suggest that they
a. descended from a common ancestor
b. have multiple vestigial organs in common
c. are members of the same genus
d. hunt and breed in similar habitats

Agroup of students are walking in the park, and one of them takes a picture of a pollen grain that is being blown by the wind.what caption can the student use for this picture? fahrte "littl1111111nimmt-hhhfull film# # #gene mutation in actiongene flow at workgenetic drift as it happensnatural selection in progresshii

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. agouti x albino a) 1/2 albino, 1/2 agouti b) all agouti c) 3/4 agouti, 1/4 albino