Aplatypus is classified as a mammal because it has fur and feeds its offspring milk, yet it lays eggs, which is uncommon for mammals. which of the following pieces of evidence would be most in strengthening the case for continuing to classify it with the mammals? a. evidence that all vertebrates share a common ancestor. b. evidence that some platypuses have evolved to bear live young. c. fossil evidence of platypuses living alongside other ancient mammals. d. dna evidence showing it was more closely related to mammals than to other vertebrates.

What feature of cell theory is best demonstrated in the image

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.