They both have an egg cell wall, a vacuole, and chloroplast, smooth and rough ER, and much more.
Onion skin is treated to be a tissue because it is thin and - brittle.
The skin cells of the onion get a well which gives- the outer portion its rigid shape.
It is Nucleic Acids, they consist of long chains of units like the proteins, but still both are different.
The answer to your question is B- introduction of non-native animal species
Observation– the process of using the five senses to gather information.
Allopatric<span> speciation occurs when new species arise as a result of geographic isolation from the ancestral species. It involves an extrinsic barrier to gene exchange and can occur by a number of means including subdivision or peripheral division.</span>