Secondary growth increases the girth of stems and roots. true or false?

Number and variety of living organisms includes genetic, species, and ecological types

Which best example best demonstrates the importance of having knowledge of evolutionary relationships? a. illustration of a plant b.organ transplantation between species c. blood donation from a human d. do you need sequence of an insect.

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel