The answer is Speciation cannot occur in the absence of mutation. Speciation cannot occur in the absence of natural selection
Pangea was the supercontinent that had all the landmasses of earth together before the Triassic period and that broke up into Laurasia and Gondwanan. However, Panthalassa is a prehistoric ocean that was surrounding Pangea.
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Answer:
The correct match for the terms with their description is given below:
Explanation:
- Gene: f) A sequence of nucleotides in DNA that codes for a functional product such as a protein.
- Nucleotide: d) The building blocks of nucleic acids, includes a phosphate, sugar and organic base.
- Chromosome: e) The structure that carries the DNA sequences
- Frameshift mutation a) The loss or addition of a nucleotide pair in a DNA strand.
- Point mutation: c) The substitution of one nucleotide pair for another in DNA strand.
- Genotype: g) The entire genetic makeup of an organism
- Phenotype: b) The physical and biochemical expression of the genotype.
internal-organ function, breathing, digestion, and heartbeat. This system consists of two complementary parts: the sympathetic and parasympathetic systems.
"It converts the inactive enzyme pepsinogen into the active enzyme pepsin, which is responsible for digesting proteins in your stomach. HCL also helps digest other foods in your stomach. Ultimately, HCL is neutralized by chemicals secreted in your small intestine."
But, use your own words, though. Because I just hit copy & paste. Hope this helps!
