Darwin is considered the “father of evolutionary biology.” Four of his contributions to the field of evolutionary biology are listed below. -The nonconstancy of species
-Branching evolution, which implies the common descent of all species
-Occurrence of gradual changes in species
-Natural selection as the mechanism for evolution

(a) For EACH of the four contributions listed above, discuss one example of supporting evidence.

What is the average speed of a car that traveled 300.0 miles in 5.5 hours

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound

Embryonic stem cells are cells derived from an embryo. these cells can be used to create new tissues for patients suffering from certain illnesses and disorders. which statement best summarizes why the use of embryonic stem cells could be seen as unethical? a. some people consider embryos to possess rights equal to those of fully developed human beings. b. extracting stem cells from embryos is a very energy-intensive process, which consumes resources that could be used elsewhere. c. embryos are difficult to obtain, so the monetary cost of using them for research outweighs their benefit. d. the process of extracting stem cells from embryos generates biohazardous waste that cannot be safely disposed of.