Answer:
E) there are at least two groups, one of which does not receive the experimental treatment.
Explanation:
A controlled experiment is an experiment that is manipulated by the scientist to suits his methods. They are conducted to test a single variable at a time. It helps to minimize the random effect of wild environment on the experiment.
In a controlled experiment there are two groups; one group receive treatment in certain proportion it is referred to as controlled group while the other group are exposed to the standard environment known as experimental group.
The above is not an example of sexual selection because sexual selection is about differential success in acquiring males.In sexual selection one biological sex chose mates of other sex to mate with. and compete with members of the same sex for access of members of opposite sex
Are the babies still alive??
Answer:
A
Explanation:
Pluripotency means the cell can grow to any part of the plant including the whole plants. This why meristematic stem cells are harvested from plants and used to make cultivars <em>in vitro</em>. Meristematic stem cell in plants are found in apical shoots and roots and are responsible for the growth of height and girth of the plants.