Only coniferous trees have thin, waxy, needle-like leaves that drop throughout the year and help to retain water.
What are coniferous trees?
Coniferous trees are evergreen trees that produce cones.
In addition, they produce waxy and needle-like leaves that help them conserve water by limiting the evapotranspiration rate as a result of reduced surface area.
Examples of conifers include pine trees and spruces.
More on conifers can be found here: https://brainly.com/question/23222416
