How many excretory pores are on each segment of an earthworm?​

This organism is not capable of performing photosynthesis. (horseshoe crab) true false

Why do bacteria thrive even in hostile environments

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