A student is investigating different types of trees. Two trees are found to have similar growth rates, temperature ranges, and sizes, but different leaves and flowers. The trees are most likely in:.

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

What type of competition exsist between two species. turtles and fish

Which units ate used to measure both velocity and speed? check all that apply