Fossils and genes are used to determine(1 point)
Evolutionary relationships.
how species will change over time
what are all the answers?
answers?
Fossils and genes are used to determine the evolutionary history and relationships of organisms.
Fossils are the preserved remains or traces of ancient organisms found in rocks and sediment. By studying fossils, scientists can determine the age of different species and understand how they have changed over time. Fossils can provide information about an organism's morphology (physical structure), behavior, and even its environment. This allows scientists to reconstruct the evolutionary history of species and identify common ancestors.
Genes, on the other hand, are segments of DNA that carry the genetic information of an organism. By comparing genes between different species, scientists can determine their genetic similarities and differences. This helps in understanding how species are related and how they have evolved over time. The study of genes, known as molecular phylogenetics, enables scientists to construct evolutionary trees or family trees that show the relationships between different species.
Both fossils and genes play crucial roles in determining the evolutionary history of organisms. Fossils provide insights into the physical characteristics and ancient past of species, while genes provide insights into the genetic relationships and evolutionary connections between species. By combining information from both fossils and genes, scientists can gain a more comprehensive understanding of how organisms have evolved and are related to one another.