Answer:
In everyday language a theory means a hunch or speculation. Not so in science. In science, the word theory refers to a comprehensive explanation of an important feature of nature supported by facts gathered over time. Theories also allow scientists to make predictions about as yet unobserved phenomena".
Explanation:
Phylogenetic trees are often used to track what evolved from what.
Answer:
Cross-pollination.............
Secondary succession because it was previously abandoned but since its been found theres a new ecosystem growing . ( u could word it a bit differently but it’s definitely secondary succession )
