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What are isolating mechanisms?
Intrinsic mechanism is defined as an obstacle to interbreeding. Examples of intrinsic isolating mechanism includes behavioral and structural incompatibility. An example of extrinsic is geographical barrier.
Isolating mechanisms that take effect before or during fertilization are termed?
Prezygotic isolating mechanisms.
Why prezygotic isolating mechanisms have an advantage over postzygotic isolating mechanisms?
prezygotic isolating mechanisms were here first and have the advantage over postzygotic because they have had a longer time to develope and get harmful genes out of their population.
How intrinsic control mechanisms cause cardiac output to increase during exercise?
that means that she wants you
Is cerebral blood flow regulated by intrinsic autoregulatory mechanisms?
Yes, cerebral blood flow is regulated by intrinsic autoregulatory mechanisms in the brain. These mechanisms ensure a relatively constant blood supply to meet the brain's metabolic demands, even when there are fluctuations in systemic blood pressure. Autoregulation helps to maintain stable oxygen and glucose delivery to the brain, supporting its constant function.
What is a pivotal molecule associated with the external surfaces of aggregated platelets and is involved in the intrinsic and extrinsic mechanisms of blood clotting?
Thrombin
Two species breeding at different times describes what isolating mechanisms?
Temporal isolation: Individuals do not mate because they are active at different times. This may be different times of the day or different seasons. The species mating periods may not match up. Individuals do not encounter one another during either their mating periods, or at all. Source:Wikipedia: Isolating mechanisms
How do postzygotic isolating mechanisms reinforce prezygotic ones?
Postzygotic isolating mechanisms reduce the fitness of hybrid offspring, adding an additional barrier to prevent interbreeding between different species. This reinforces the effectiveness of prezygotic isolating mechanisms by ensuring that even if mating does occur, the resulting hybrids are less likely to survive and reproduce, further preventing gene flow between the species.
What type of homeostatic mechanisms are built in to the organs being regulated?
Organs have built-in mechanisms such as negative feedback loops to help maintain homeostasis. These mechanisms involve sensors that detect changes in internal conditions, control centers that interpret the information and initiate responses, and effectors that carry out the necessary adjustments to bring the body back to its set point.
What 3 factors that determine the time and amount of change in a cell are its?
The 3 factors that determine the time and amount of change in a cell are the cell type, the specific stimuli acting on the cell, and the cell's intrinsic regulatory mechanisms. Cell type influences its responsiveness to stimuli, while the nature and strength of the stimuli dictate the magnitude of change. Intrinsic regulatory mechanisms such as feedback loops and signaling pathways modulate the speed and extent of cellular changes.
Is pressure a extrinsic or intrinsic?
Intrinsic
Is pf3 a pivotal molecule associated with the external surfaces of aggregated platelets and is involved in the intrinsic and extrinsic mechanisms of blood clotting?
No, PF3 is not a pivotal molecule associated with the external surfaces of aggregated platelets. It is a protein that plays a role in blood clotting by enhancing the activity of coagulation factors in the intrinsic pathway of blood coagulation.
