The best option would be the letter A. They supply freshwater to support life on Earth.
Freshwater is the ultimate source of water in the terrestrial biome. It is not only important in the terrestrial biome but also in the aquatic ecosystem as it helps in transporting nutrients (ex. river is connected to the ocean).
Answer:
Sunlight and Carbon Dioxide
Explanation:
Plants get nitrogen by absorbing it from soil through its roots.
Answer:
Sex chromosomes
Explanation:
Sex chromosomes affect your gender through X and Y
<span>An ecologist can make a good guess on the type of biome if he knows what type of *plants* are in the area.</span>