#Question id: 8695
#Unit 9. Diversity of Life Forms
Phylogenetic trees constructed from evidence from molecular systematics are based on similarities in ________.
#Question id: 8696
#Unit 9. Diversity of Life Forms
There is some evidence that reptiles called cynodonts may have had whisker-like hairs around their mouths. If true, then hair is a shared ________.
#Question id: 8697
#Unit 9. Diversity of Life Forms
Use the figure to answer the following question.
Which extinct species should be the best candidate to serve as the outgroup for the clade whose common ancestor occurs at position 2 in the figure?
#Question id: 8698
#Unit 9. Diversity of Life Forms
Use the figure to answer the following question.
If the figure above is an accurate depiction of relatedness, then which of the following should be an accurate statement?
#Question id: 8699
#Unit 9. Diversity of Life Forms
Use the figure to answer the following question.
If the figure is an accurate depiction of relatedness, then which of the following should be an accurate statement?
#Question id: 8700
#Unit 9. Diversity of Life Forms
Use the following figure and description to answer the question.
Humans, chimpanzees, gorillas, and orangutans are members of a clade called the great apes, which shared a common ancestor about 15 million years ago. Gibbons and siamangs comprise a clade called the lesser apes. Tree-branch lengths indicate elapsed time. Assuming chimps and gorillas are humans' closest relatives, removing humans from the great ape clade and placing them in a different clade has the effect of making the phylogenetic tree of the great apes ________.