Answer:The four main divisions of gymnosperms are Coniferophyta, Cycadophyta, Ginkgophyta, and Gnetophyta. Gymnosperms are often found in temperate forest and boreal forest biomes. Common types of gymnosperms are conifers, cycads, ginkgoes, and gnetophytes.
Explanation:
<span>Energy must constantly flow through an ecosystem for the system to remain stable.</span> it means that organisms must eat other organisms
He will use any form of length measurement to measure the length, width, and height of the pool, use the formula V=lwh to find the volume.
