Answer:
An ectotherm can also be called a Poikilotherm.
:)
A good example would be heating a tin can of water using a Bunsen burner. Initially the flame produces radiation which heats the tin can. The tin can then transfers heat to the water through conduction. The hot water then rises to the top, in the convection process. The atmosphere would be another example.
1. Spherical - Cocci
2. Rod-shaped - Bacilli
3. Purple stain - Gram-negative
4. Pink stain - Gram-positive
The Miller-Urey experiment showed that simple molecules could have arisen abiotically. This chemical experiment included conditions similar to those present on the early Earth, and tested the origin of life under those conditions.
Water (H2O), methane (CH4), ammonia (NH3) and hydrogen (H2) were the chemicals used to produce the results of the experiment, the factors needed for simple life to arise. Given similar conditions on other planets, it's possible that life could arise there as well.
Nervous system is much more systematic because the impulses are passed as messages through the neurons. The process and the response are very rapid. Endocrine system, on the other hand, is wide range. The process is slow and the effect is long-lasting.