Any place, where organism are linked with their environment is referred to as an "Ecosystem". It can be as small as a "Cow dung" & may be as large as a whole "Biodiversity"
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A.
Protozoa reproduce by internal fertilization, or asexual reproduction.
The answer is FR schedule or fixed ratio schedule. It is a timetable of fortification where a reaction is strengthened simply after a predefined number of reactions. Basically, the subject gives a set number of reactions and after that, the mentor offers a reward. One preferred standpoint of this kind of calendar is that it creates a high, enduring rate of reacting with just a concise delay after the conveyance of the reinforcer.
Answer: Heart Rate
Explanation:
When you are running in a race, one feedback mechanism that happens as you increase exercise and muscle activity is that, your heart rate also increases. Your heart rate increases because it needs to sustain the body's need of more energy to be supplied to the different parts of the body during an activity.
