Some people believe that applying lavender oil will make you less stressed by causing the brain to release serotonin. To test this, scientists set up an experiment with three groups. The first
reported their stress levels on a scale of 1-10 at the beginning and ending of a two hour period.
At the beginning of the two hour period, they applied simple water droplets to themselves. The
second and third groups reported their stress levels at the beginning and ending of the same
two hour period, but applied two different amounts of lavender oil to themselves at the
beginning of the two hours.

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

Which of the following is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is