a. RNA molecules is the correct answer.
Hope this helps~
Answer:
A. The rock was made from more than one type of material
C. Sediments and other matter were deposited in layers before lithification
Answer:
Peripheral proteins have a carbohydrate extending into the environment.
Explanation:
I think that's the answer but it may not be, if not I have no idea what it is.
Is there a picture or do you want me to explain
Answer:
Invertebrates are the organisms in which backbone or vertebral column is absent.
The three macroinvertebrate categories are annelids, mollusks and arthropods.
Annelids are the organisms having segmented body. They are found in moist places. Examples are leeches and earth worms.
Mollusks are the organisms which are enclosed in a calcium carbonate shell. Examples are snails and slugs.
arthropods are the invertebrates which have segmented body and jointed appendages. Examples are insects and crustaceans etc.