Which of the following is not something directly compared to determine if species are related?

a dna

b embryos

c skeletal structures

d color

Often, caries will develop in an area of the tooth that's not readily accessible. which cavity preparation form defines this? a. retention b. resistance c. outline d. convenience

If someone could do the first couple, just so i can see how it's done that would be great! 20 points. complete a dichotomous key for the 10 leaves on the common leaves sheet. the chart provided here allows for 11 pairs of statements. depending on how you build your dichotomous key, you may or may not need all of them, or you may need to add some.

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria