2024 Evolution No Pictures

natural selection

more fit organisms live longer, reproduce more and pass along those traits

fitness

having adaptations that make an organism better able to survive in the environment

adaptations

traits that help an organism survive

evolution

change in traits in a species over time due to natural selection

reproductive advantage

individuals with a certain trait are more successful at reproducing than others

speciation

formation of a new species through evolution

tree diagram

used to show the common relationships between species

fossil evidence

fossil shows how life has changed over time

evidence for evolution

fossils, anatomy, DNA, embryos

anatomy evidence

different organisms have similar body parts

DNA evidence

all living things have DNA and share some similar DNA

embryo evidence

before birth, different organisms are very similar