1. Thermostat.
2. C. Thermal energy.
3. Internal combustion engines are those in which combustion takes place inside the engine. Examples are petrol or diesel engines. External combustion engines are those engines in which combustion takes place outside the engine. Examples are steam engine and steam turbines.
Answer:
sympathetic nervous system
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Bacteria have 1 cell, they reproduce asexually and create other 1 cell bacterium.
Answer:
The answer might be D
Explanation:
The answer could be D because birds with larger beaks should be capable of eating soft shell seeds, as well as hard shell seeds. So natural selection would not occur because the finches with large beaks would not die as a result of not eating soft shell seeds. The finches with large beaks should be able to reproduce offspring with the same trait. And so should the finches with small beaks.
Describes the relationship between an organism and its environment
