<span>D. Lancelet, are examples of an invertebrate chordate:)</span>
Http://www.livescience.com/22537-skeletal-system.html
1. Protection of water resources.
2. Soils formation and protection.
3. Nutrient storage and recycling.
4. Pollution breakdown and absorption.
5. Contribution to climate stability.
Answer: A community is all of the populations of different species that live in the same area and interact with one another. A community is composed of all of the biotic factors of an area. An ecosystem includes the living organisms (all the populations) in an area and the non-living aspects of the environment.
