A reproductive barrier keeps similar species from interbreeding.
Answer:Negative feedback is a type of regulation in biological systems in which the end product of a process in turn reduces the stimulus of that same process.Sometimes referred to as a “negative feedback loop”, negative feedback occurs when the product of a pathway turns the biochemical pathway off.
Explanation:
Answer: I dont know the answer I just Want POints
Explanation: I still Dont Know
Beshan, thats what my dog is and she's really good with children and stuff
Answer:
At brain death.
Explanation:
If an individual is awake but not conscious of what is happening in the surrounding environments the person is in the vegetative state.Such individual could respond to certain reflexes as eye blinking,withdrawal of hands in response to touch, ability to sleep and wake up at normal sensations.However, cognitive functions and sensory responses which are related to emotions are not responded to.It is different from Coma in which the individual lacks ability to be aware of the environments and tom be awake or alert.
The vegetative state ends when brain deaths occurs.This is the state when all brain activities are lost permanently. Breathing seized,and contact with the external world is cut.Thus, the functions of the brain which were supported by artificial supports are lost because the parts of the brain which control breathing,heartbeat ,and blood pressure are dead. Therefore, the life supports can not stimulate them to life
