They need to cope with changing seasons and be able to withstand cold winters and hot summers
A test cross is used<span> to determine if a group exhibiting a dominant trait is homozygous or heterozygous for that trait.</span>
Viruses are the exception too the cell theory, but they have some characteristics of living things. What is one of these characteristics?
Genetic material.
Nitrogen and hydrogen
N2 +3 H2 ---> 2NH3
hope that answers the question:)