True.
Why by Mimiwhatsup: Any organism can form organic substances from nutritional organic substances from simple inorganic substances such as carbon dioxide.
Plants, Fungi, and <span>Prokaryotes</span>
I am going to assume you meant the "first trophic level" of the ecosystem. The first tropic level of an ecosystem is made up of producers, so the answer is C, Acorns.
The biometrics used to determine growth in a forest are the number, variety, size, shape, and age of trees. 4. How can forests remove timber and still remain sustainable? Forests can remove timber and still be sustainable because sustainability just means that only the growth is removed.