All of the following are characteristics of birds' bones except:

A. many have air spaces

B. many are fused together

C. the breastbone is minimized

D. they are strengthened by struts within the bone

Label the mitochondria. What is its function?

What is the product of glycolysis a. adp b. one molecule of alcohol c. two pyruvate molecules d. one molecule of lactic acid

A car moving at 12 m/s and has mass of 600kg. What is the kinetic energy of the car?

What characteristics of life do bacteria have?

The first organisms to grow in new or disturbed areas are called

The skin is the primary organ of the

What is true for urochordates? A. The notochord is present throughout their lives. B. The notochord is present only in the larval stage; it is absent in adults. C. The notochord is present in the larval stage; it becomes vertebrae in adults.

What term is used to refer to a characteristic of a population in statistics?

Which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll?

Why do farmers sometimes use more wasteful methods of irrigation than are available?