Fossils on one continent may be similar to fossils on another continent. this observation supports
which theory?
a. radioactive dating
b. continental drift
c. plate tectonics
d. natural selection

Drag the correct tiles to the image. not all tiles will be used. the diagram is a schematic representation of the electron transport mechanism in mitochondria. label the diagram to complete the model.

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates