The intentional breeding for certain traits, or combination of traits, is

Babies with very low or very high weight are less likely to survive .

Describe how a student should adjust the microscope to see the cells on a slide more clearly?

Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates