Predators are considered a(n) limiting factor !     abiotic                        external                          biotic                          unimportant

Predators are considered a biotic limiting factor.

The predators are a part of the natural ecosystem. They control the population growth of the preys by hunting them. Thus they play a key role of bringing a balance within the various trophic levels of the ecosystem. They also drive evolution of preys by exerting a predation pressure on them. The preys that are not able to come up with strategies for survival fall in numbers.

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.