A hypothesis regarding ancestor-descendant relationships that includes a time-scale is called a
a. cladogram.
b. phylogenetic tree.
c. phylogram tree.
d. hypogram tree.
e. clarion gram.
Question 2
The presumed evolutionary link between theropod dinosaurs and birds is based on
a. island dwarfing phenomenon.
b. general analogous characteristics.
c. a few shared ancestral characteristics.
d. derived (modified) characteristics such as the presence of feathers in both lineages.
e. evidence of hybridization between the two.
Anatomy of the Large Intestine By the time chyme reaches the large intestine, most of its nutrients
Physics: Power, Energy and Time
Calico cat illustrates the Lyon hypothesis
Surtsey, a volcanic island, during the time of its formation.
Zone dimensions are not drawn to scale.
Time Line for Life’s Origin and Evolution