Phylogenetic trees are best described as hypothetical portrayals of evolutionary relationships. the most accurate representations possible of genetic relationships among taxa. theories of evolution. the closest things to absolute certainty that modern systematics can produce. true and inerrant statements about evolutionary relationships.

Drag each label to the correct location on the chart. match the function to the type of tissue

Describe the change in phase and temperature as water moves from the oceans to the atmosphere and then returns to earth again as rain. a) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature decreases b) evaporation : temperature increases; condensation : temperature decreases; precipitation (rain) : temperature increases c) evaporation : temperature decreases; condensation : temperature decreases; precipitation (rain) : temperature decreases d) evaporation : temperature increases; condensation : temperature increases; precipitation (rain) : temperature decreases

Which pair of chromosomes determines sex in humans? a.15th b.1st c.23rd