Which of the following statements is true?

fossilization can only occur when oxygen is present.
soft body parts are well preserved as fossils.
a cast fossil leaves a hollow space once occupied by a dead organism.
vertebrate fossils are more common than invertebrate fossils.

Me with these questions if you’re it sure don’t answer

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population