A cladogram is shown below
a) what species is the outgroup of this cladogram
b) Name all of the traits that the frog has, based on this cladogram
c) Which trait evolved first, jaws or lungs? Explain how you know.

What came first egg or chicken? and is tomato a vegetable or a fruit?

Which element provides strength to the exoskeleton of clams and oysters

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