1. Theory
2. Law
3. Law
4. Law
Vestigial structures are often homologous to structures that are functioning normally in other species. Therefore, vestigial structures can be considered the evidence for evolution, the process by which beneficial heritable traits arise in populations over an extended period of time.
Oxygenated blood is pumped from the left ventricle
cells, membranes, and ribosomes are all found in prokaryotic and eukaryotic cells:)
Instead of burning coal to power our country we could use solar panels. As long as we have the sun we will have "free" energy.
Instead of continuing to mine for metals, we could recycle metals and then less greenhouse gases would be released into Earth's atmosphere.