Why do scientist avoid using analogous characters when they study phylogeny

What is the most abundant organic compound on earth

When fossil fuels are burned, carbon dioxide is released. How does this gas impact the environment?

What was a major source of controversy for President Andrew Jackson? his support of expanded voting rights the Indian Removal Act and the Trail of Tears his upbringing west of the Appalachians his appeal to the public during his campaign

When plants engage in cellular respiration, what will happen to co2 levels in the atmosphere? Why?

Because plant-like protists make their own food from sunlight, in what kind of environment would they not be able to survive? Why?

How does an emerging idea differ from scientific consensus?

What is kind of relationship is mutualism

Which drugs appear to produce therapeutic effects by occupying the receptor sites for dopamine and blocking its activity?

What is the origin of flowering plants?

A single-gene trait that has two alleles and that shows a simple dominant-recessive pattern will result in