Answer:
A; when a new trait evolves
Explanation:
Each branch of a cladogram represents a species ending at a clade. A clade represents a group of organisms with a common ancestor. When a new trait evolves and the group is no longer the same species, it will branch off
Community, also called biological community, in biology, an interacting group of various species in a common location. For example, a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community.
Coral reef
<span>Multi-celled organism
1. They have a nucleus which serves a great function in many cellular activities. <span>Nucleus,
the control center of the cell is the organelle which intiates,
enables, and manages the various simplex. compound and complex cellular
activities. It also stores the DNA of the cell which is then replicated
and recopied over a hundredth and thousandth times over through cell
division processes. In the nucleoplasm -nucleolus, the inner part of
nucleus of a cell is where the DNA to mRNA and to protein; vice-versa
happens. <span>
2. Muticellular organisms have improvised mitochrondria and chloroplast vital for many functions.</span></span></span>
They will become extinct and the level of oxygen in the atmosphere decreases and. carbon emissions increases
<h2>Answer:</h2>
Option C is correct.
C. 5 kilocalories
<h2>Explanation:</h2>
Only a little amount of energy as 10% is transferred to the next trophic level. This is called 10% rule. So, in this case as the energy available at the secondary trophic level is 50 kilocalories and 10% of it is transferred into the tertiary level so it would be 5 kilocalories.
