Which best illustrates a resultof natural selection?

Which is a genetic engineering advancement directly related to a career in biotechnology? 1) improving solar energy collection 2) transporting textiles at higher rates 3)creating crop foods that resist insect pests 4)repairing historical sites with quality materials

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?

Plz ! what does it mean for an allele to be dominant?