D. A keystone species existence keeps an ecosystem in balance.
Phosphorus is an essential nutrient for plants and animals. Phosphorus is a limiting nutrient for aquatic organisms. Phosphorus forms parts of important life-sustaining molecules that are very common in the biosphere.
Answer: Really hope this helps you.
Explanation: it depends in what you are using it for if you are using it for math then it means a relation from a set of inputs to a set of possible outputs where the input and the output is related exactly.
Answer:
All plants are made up of similar parts, but they often look different. Like animals, those that look more like each other than any other plant belong to the same species. Plants can be classified as grasses, herbaceous plants, woody shrubs, and trees. ... Trees are woody shrubs that have a main trunk and many branches.
Explanation:
from the interet………..
"The father passes the gene to all his daughters but to none of his sons" is the one among the following that will be the pattern of inheritance of the offspring of a h<span>emophiliac father. The correct option among all the options that are given in the question is the second option or option "B". I hope it helps you.</span>