Which hormone influences a person's rate of metabolism? a. PTH b. aldosterone c. thyroxine d. calcitonin

Jeremy is observing a cross-section of a corn stem under the microscope. He observes that there is no vascular cambium present in this stem. Why is there no vascular cambium in corn stems?

Which term describes the origin of life from nonliving matter

What are two types of deserts? A. Cold Tundra and Sandy Beaches B. Cold Tundra and Plateaus C. Dry Deserts and Cold Tundra D. Dry Deserts and Plateaus

Which of the following can block some UV rays? A human skin B water c the human eye d the ozone layer

Residential construction is expanding in Florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther,

How do cells acquire positional information about their location in a developing embryo?

Which kind of solution is the concentration of solutes the same inside and outside if the cell

Identify the two primary fluids found within the eye. which one of these fluids provides nutrients to the rest of the eye

How are microscopes advantageous to scientist? name two examples when a biologist (or other scientist) may use a microscope?

Some geneticists study the genes that control bone development to try to understand bone growth and find cures for diseases. How is this different from an orthopedist (a doctor who specializes in bones) ? A.