Phylogenetic trees are often used to track what evolved from what.
Intrusive is crystallized below the surface
<span>extrusive is when lava crystallizes on earths surface</span>
It is important<span> to distinguish between species richness and </span>biodiversity<span>. ... Species richness enhanced by exotics also often means the loss of distinctive ecosystems or small azonal habitat </span>areas<span> such as localised wetlands. This too represents a loss in overall global </span>biodiversity<span>.;0</span>
Explanation:
Cell wall is not present in animal cells .