Bees obtain food they need from flowers. the flowers benefit by having their pollen dispersed by the bees as they travel from flower to flower. what type of symbiotic relationship is this? a. commensalism b. mutualism c. parasitism d. predation

A mutualistic relationship describes a relationship in which the participating organisms, each of a different species, engages and interacts with one another in a manner in which both organisms benefit. In this case, the bees benefit from having food whereas, the flower benefits by having its pollen spread.

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.