The correct answer is Individual.
Species is the basic unit of macroevolution.
We can term macroevolution as a large-scale change at the species level which results in the formation of new species.
Answer:
a, c, d
Explanation:
A dolphin's flipper, a bird's wing, a cat's leg, and a human arm are considered homologous structures, so other structures that are like these can be considered homologous.
<span>Current understanding of the evolutionary relations among organisms may change, as more species are discovered and studied.</span>
Parasitism - the leech benefits off the alligator, while the alligator is harmed
Answer:
Explanation
In medicine, genetic engineering has been used to mass-produce insulin, human growth hormones, follistim (for treating infertility), human albumin, monoclonal antibodies, antihemophilic factors, vaccines, and many other drugs. In research, organisms are genetically engineered to discover the functions of certain genes.
