Question 18(Multiple Choice Worth 4 points) (01.03 MC)
It is hypothesized that RNA may have evolved before DNA because RNA molecules
A
were the first molecules synthesized by Miller and Urey
B
are more important to genetic inheritance than DNA
C
can catalyze a variety of biologically important reactions
D
are found in more modern cells than are DNA molecules

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

What are genotypes? what are phenotypes?

Pls in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.