Answer: Availability of water
Explanation:
When a person is travelling from a forest ecosystem towards grassland ecosystem the number of trees gets reduced in number.
The trees are replaced by prairie grasses. This change is because of less water availability in the area having grass.
The amount of precipitation decides the type of vegetation found in that area.So the area having trees would be having more precipitation as compared to the area having prairie grass.
It takes less than a gram of heroin to cause a lethal overdose. Hope this helps.
The right answer for the question that is being asked and shown above is that: "TRUE; TRUE; TRUE" (1) While the Lophophorata (this groups includes worms and mollusks) are a well-recognized group, phylogenetic (family tree) studies do not yet agree on the identity of their closest relatives. (2)The marine flatworms (polycladids) are the smallest of the free-living flatworms, sometimes reaching lengths of 15 centimeters. (<span>3)Bilateria is a classification within Animalia, and are characterized by animals which are bilaterally symmetrical (with a left and a right side to their bodies).</span>
C would be your answer because, it is a nonliving thing. It is not a living chemical or physical factor in the environment. I hope this helped!
<span />