1 is true
2 false
3 false
4 false not always
5 true
<span>nerve cells need b 12 for proper functioning</span>
<span>Density-dependent factors, however, are those that have great impact only once populations reach a certain level. A flood or some other natural disaster may affect them by decreasing the rate of these factors on having an effect to the society. Hope this helps. Have a nice day.</span>
Answer:
A cladogram is used by a scientist studying phylogenetic systematics to visualize the groups of organisms being compared, how they are related, and their most common ancestors. Cladograms represent hypotheses about the evolution of organisms and are subject to revision when theories are disproved and additional data become available.
Explanation:
