How many chromosomes does a normal passeriformes have?

What is the first step in a life cycle of a plant reproduce sexually

Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?

Which feature would you expect to find in a population in which sexual selection depends on male competition?