Answer:
a. preserved remains or traces of a living thing
Explanation:
c & d already dont make any sense because we aren't talking about earth. b seems like it would be correct but fossils are preserved
Answer:
False - cells can differ in structure in order to perform a specific function..
Explanation:
For example, neurons (nerve cells) are electrically excitable. These have an axon (long section that conducts impulses, and ends which branch out - called dendrite. This is an example of a cell structure unique to a certain function.
I think they’re
1.Lipid-derived
2.amino acid-derived
3. Peptides
Answer:
Either B or D
Probably B because genetically modified
Explanation:
its not A or C because:
A doesn't do anything (it just reduces the population of dogs)
C only alters a specific dog's behaviour, not all of them