A) a common ancestor
Homologous structures are structures that are similar in related organisms. There is a basic pattern of bones which can be inherited from a common ancestor
The answer is A i just took the test
A- Mixture in which its components retain their identity.
Command economy can be define as an economy in which production, investment, prices, and incomes are determined by a government.Central government is responsible for all this.No other authorities are allowed to fix any of the above mentioned categories.
<span>All goods and services production is set through the central plan.</span>
