The diagram shows an animal cell. Which letter marks the location where carbon dioxide is produced during respiration?

W
X
Y
Z

Aseries of connections of food chain in an ecosystem is called a what

What feature of cell theory is best demonstrated in the image

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