Answer:
In a population, a specific gene has two alleles, 'A' and 'a.' Individuals with
genotype 'aa' die in early childhood. Individuals with genotype 'Aa' have a
higher rate of surviving and reproducing than individuals with genotype 'AA.'
This phenomenon is called survival of the fittest, Darwins law which entails the fittest organisms survives while the ones that could not would go into extinction
Explanation:
Answer:
The correct answer is - A. Trade
Explanation:
Darius the emperor of the Persian empire was the first Persian emperor to use a coin system for goods, services, and even for tax which makes his economy large and developed his empire, and created a new capaital. Darius used a gold minted coin system for trade for the goods and services and salaries to the army which made his empire popular and a large economy. His economy was a trade economy as coins were used for the different type of goods, foods and services.
Involuntary muscles are the muscles that move without conscious control of the organism and are controlled by the autonomic nervous system.
Some examples of this are:
• the ,cardiac muscle, (,heart,)
,
• smooth muscles,, like the ones found in the ,stomach,, ,intestine,, and, bladder.
I would say A is the correct answer. B and C are definitely wrong, and I think D is talking about genes and not chromosomes.