Answer:
A control group is a set standard so that comparisons can be made to see what your experiment did. The experimental group is the group that has been changed. A control group also allows you to determine your variables.
Explanation:
Answer:
It is used to identify the most recent common ancestors and to recognize how closely related species are. To relate the milestones of the evolution of major life forms to the tree of life. To represent evolutionary relationships between organisms that are believed to have some common ancestry.
Explanation:
hope it will help you
There are 7 life processes: Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition. You would need at least four or five characteristics to consider if an organism is living, mainly movement, respiration, growth, reproduction, and nutrition. (I might be wrong)
Answer:
Genetic engineering has its grass roots from the recombinant technology.
Explanation:
Genetic engineering is seen to have started from a scientists activity which involved restriction enzymes and DNA ligases that were used by Paul Berg in 1972 to create the first recombinant DNA molecules. A monkey virus which is SV40 was combined with a lambda one. Following that, the results of the experiment and attempts were further investigated by other scientists and later, the first plant that underwent genetic engineering was the plant tobacco.
Can you please retype that with proper grammer i did not understand the question.
