Which of the following is not an example of a fossil?

a fern imprint in shale

a trilobite in sandstone

footprints in snow

a petrified tree trunk

we need additional information in order to determine the cause of death for anna garcia. there are at least 3 things with explanation included as to why we need them are as follows:

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.