evolution study guide flashcards for science.
what are two ways a fossil can be formed?
traits and generation
how can fossils be used t o study evolution ?
we can learn about the past and how they lived .
what do fossils prove about how life has changed on earth ?
It is the result of evolution .
which of the following fossils existed in all four time periods
A
homologous structure
organs or skeletal elements of animals and organisms that, by virtue of their similarity, suggest their connection to a common ancestor.
analogous structure
features of different species that are similar in function but not necessarily in structure and which do not derive from a common ancestral feature
trait
something that gets passed on by the parents to the kids