Scientist study shows which cells can clearly see that it has ribosomes and mitochondria​

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.

Match the types of competition to their descriptions

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.