Ok but what is the question
I believe it is water depth.
The water depth will tell us the sunlight that the ecosystem gets. I hope this helps! :)
Natural selection is a theory developed by Charles Darwin. It is believed that animal species evolve by nature "selecting" the ones that are fit to live in specific environments. For example, if an animal lacks a trait that is needed for a certain environment, it is likely to die. The animals that have the needed traits are more likely to live and procreate, which will pass on the trait to its offspring. Hope this helped!
From the cladogram, we can tell that the ancestral species most likely had a vertebral column.
<h3>What is a cladogram?</h3>
The cladogram is a branched diagram that can be used to show the relationship between organisms. It can also be used to decode evolutionary relationships.
As such, from the cladogram, we can tell that the ancestral species most likely had a vertebral column.
Learn more about a vertebral column:brainly.com/question/8053940
#SPJ1
