Answer:
All of the above.
Explanation:
Garden peas were used by Mendel for experiment and are good choice of studying heredity because they have the ability to control their fertilization and transfer pollen . They can engage in either self fertilization or cross's fertilization.
Garden peas are easy to grow and they can be bred very easily and they have alot of traits that can easily be observed i.e their characteristics are visible and they produce many offsprings.
They are of different varieties.
The simple organisms may be unicellular, consisting of just 1 cell, but more complex organisms are multi-cellular, which means they might have more than one. So the answer you are looking for is A. 1
I hope this helps! :>
D, hydrotrophism.
the word gives the answer away because Hydro is a word meaning water
