The eye, heart in skin of a pig, and a leaf from an oak tree are all examples of. They are groups of tissues join together to perform a specific function. A. Tissue B. Organs C. Systems D. Cells

Describe how an electric generator works

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots