The phylogenetic species concept holds that the definition of a species should be
A. based on branching relationships among species.
B. based on reproductive compatibility.
C. based on evolutionary relationships.
D. variable depending on the type of organism.
Answer: A
You might also like to view...
Radiocarbon dating is useful in dating event that occurred within the past________
a) 4 thousand years b) 40 thousand years c) 400 thousand years d) 4 million years e) 40 million years
Narrow surface currents that flow in the same general direction as the approaching waves are:a
rip currents. b. nearshore currents. c. longshore currents. d. upwelling currents. e. refraction currents
Evaluate how the location of ancient cultural hearths has influenced modern population distribution
What will be an ideal response?
Please compare and contrast muscovite and biotite.
a. Both muscovite and biotite are feldspars that have cleavage in two directions and have a shiny luster. However, unlike clear muscovite, biotite is black because it contains iron and magnesium. b. Both muscovite and biotite are micas that have cleavage in two directions and have a shiny luster. However, unlike clear muscovite, biotite is black because it contains iron and magnesium. c. Both muscovite and biotite are micas that have cleavage in one direction and have a shiny luster. However, unlike clear muscovite, biotite is black because it contains iron and magnesium. d. Both muscovite and biotite are micas that have cleavage in one direction and have a shiny luster. However, unlike clear biotite, muscovite is black because it contains iron and magnesium. e. Both muscovite and biotite are feldspars that have cleavage in one direction and have a shiny luster. However, unlike clear muscovite, biotite is black because it contains iron and magnesium.