Answer:
Option A, Key stone
Explanation:
A keystone species plays a major role in an ecosystem as it is the species whose presence effects all other species in the ecosystem .In general a keystone species is always a dominant predator that feed on prey population. If it is removed, the prey population will explode and the population diversity will reduce. For example - bison, prairie dog etc.
Hence, option A is correct
Answer:
2 NH3 (ammonia) + CO2 + 3 ATP + H2O → H2N-CO-NH2 (urea) + 2 ADP + 4 Pi + AMP
Explanation:
I found the formula for creating urine innthe body, i think its ammonia that is created by the nitrogen excess abd waste produced by the body.
Hope this helps
What's up? this organelle is known as a vacuole. best of luck with your studies!
Scientific knowledge is knowledge that is 100% accurate and proven. other knowledge such as possibly prior knowledge is from ones own experience which may not be proven 100% correct. along with every other type of knowledge.
An unspecialized cell that can give rise to one or more different types of specialized cells, such as blood cells and nerve cells. Stem cells are present in embryos and in various tissues of adult organisms
