fossils and evolution

identify the statement that is true about charles darwins theory of evolution by natural selection

organisms that are able to survive and reproduce pass on characteristics to their offspring

which of the following statements about fossil preservation is true

organisms with hard parts made of shell or bone are more likely to become fossilized

which of the following is/are trace fossils

coprolites

how does a mass extinction event affect biodiversity on the earth

mass extinctions decrease the diversity of life

which of the following would not be considered a fossil

a basalt dike

in which of the following rocks would you be most likely to find fossils

limestone

why is the preservation potential of an organism higher if it dies in an anoxic environment

the organism will likely decay very slowly in an anoxic environment

if a mastodon dies while walking along a river, what needs to happen in order to fossilize the body

a flood must order occur so that sediment can bury the body

which of the following circumstances is likely to preserve a fossil

a clam is buried by a submarine landslide

Which of the following statements regarding the fossil record is true? 

Paleontologists have not yet found all the fossils that are in rocks

Petrified wood is a type of 

permineralized fossil

What type of fossil forms when a buried organism decays or is dissolved but the original shape is preserved in the sediment? 

Mold fossil

Fossils are most often identified based on changes in their ________, which is easily recognizable, even in the field.  

morphology

When the last member of a species dies, this is called 

extinction

What is natural selection? 

The passing on of beneficial characteristics so that the most adaptable survive

Which of the following is an example of natural selection? 

Birds the evolve a new beak shape to exploit a different food source

The body of an animal is more likely to become fossilized if it; 

Is buried deep in the ground

Based on our discussion of depositional environments, which of the environments below is unlikely to preserve a fully intact fossil

beach