By intruding mutations, which are the ultimate source of biological diversity. I think this is it.
Answer:
The answer is d. carbon-12, potassium, and argon
Answer:
1)Genus 2)Family 3)Order 4)Phylum 5) Domain
Explanation:
Species is a large group of living organisms that can breed freely among themselves, exchange genes and produce offspring.
Taxonomic rank is the group of living organisms that are related to each other and most basic rank is species. The lower the rank the smaller it be and contain most similar organisms.
The higher rank comprises by combining of smaller ranks like in your question the family contain many genus and order contain many families and so on. Thatswhy most higher rank would contain maximum number of species.
The cells of the CNS are called neurons. They secrete neurotransmitters.
Minerals are naturally-formed substances that have a specific chemical properties: abiogenic (minerals are not produced by or derived from living organisms, non-organic in origin), stable at room temperature (i.e. at 25 degrees C)
, are represented by a known chemical formula
, have an ordered atomic arrangement/structure. Coal is not classified as a mineral because it is an organic substance. Correct answer: D (coal is formed from the remains of dead plants and animals).