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.
The steps of the scientific method, also known as hypothesis testing
Elephant footprints (tire tracks for scale)
Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event
Solar particles interact with Earth's magnetosphere. Sizes not to scale.
Test for Depressive Symptoms: CED Scale
The illusory bands visible in this figure are often called Mach bands, although Mach used a ...