3. One example of a piece of evidence for evolution is the presence of vestigial structures. Which of these is an example of a vestigial structure?
A Humans, penguins, and crocodiles all have a humerus bone in their arm.
B
The DNA of humans and primates is very similar
С
In humans, the appendix is shrunken and no longer necessary for survival
D. Peacocks will grow large and bright feathers to attract mates

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.

i guess because love can be toxic ‍♂️