Answer:
Muscle tissue originate from mesoderm (one of the three germ layers). Muscle cell are made up of fibers called myofibrils.
Explanation:
Answer:
Here's your answer
Explanation:
Normative economics focuses on the value of economic fairness, or what the economy "should be" or "ought to be." While positive economics is based on fact and cannot be approved or disapproved, normative economics is based on value judgments.
Maybe it’s because in order the get the same apple you breed more of that apple? It would take less time than natural selection since the genes of that certain apple may not appear for a few generations. If this makes any sense let me know because I’m just as confused as you are.
I'd say one was what girls where now. So, they think its okay to have sex. Causing more and more young women and teens to have a pregnancy, and because of insurance the more kids you have, the more money you get from the state.
The answer for the above question is Mutation.
Mutations are random spontaneous changes that occur suddenly in the DNA. A single mutation can have a large effect, however in may cases evolutionary changes are based on the accumulation of many mutations. The gene flow is any movement of genes from one generation to another and is an important source of mutation