The central element for all living things is carbon, which is why you might often hear the phrase "carbon-based" lifeforms. Another term is often "organic matter"
Answer:
19. mass and dustance between them.
I believe the answer is the primitive organic molecules were formed in an oxidizing atmosphere in the primordial soup.
Your answer is correct. Chitin provide the strength to insect exoskeletons. Cellulose is the strength for plant. Starch and glycogen are energy sources for life.
Answer:
it would be 60
Explanation:
because if haploid cells double the amount of chromosomes then diploid would do the opposite
