The primary organs of excretion are the

A. heart and lungs.

B. lungs and kidneys.

C. kidneys and liver.

D. liver and pancreas.

What may happen to an ecosystem if all primary consumer were removed

Tuberculosis results from an infection by the bacterium A) Clostridium difficile. B) Staphylococcus aureus. C) Mycobacterium tuberculosis. D) Vancomycin-resistant streptococcus. E) Tuberculin plumonae.

Why does each successively higher feeding level in an energy pyramid have less biomass

The formation of glucose from noncarbohydrate sources, such as amino acids is called

Where do the light-independent reactions of photosynthesis take place? Stroma of chloroplast Grana of chloroplast Membrane of chloroplast

At the beginning of cellular respiration, energy is stored in the bonds of blank molecules. At the end of cellular respiration, energy is stored in the bonds of blank molecules. for each one has the options of: ATP, glucose, or oxygen

Which of the following does not contain carbon and energy iron ice cream lettuce or eggs

In what ways has poland suffered because of its lack of natural barriers

Which of the following statements is/are true? a. Loose connective tissue includes cartilage. b. Closely packed bundles of collagen fibers are characteristic of loose connective tissues. c.

Identify twice substances that can cause changes in DNA