Vocab
hollow area in sediment in the shape of an organism or part of an organism.
mold
Does natural selection occur today?
Yes
The comparison of the structures of different organism is called
Comparative
solid copy of the shape of an organism
cast
What happens when a pesticide is first used in a building?
kills almost all the insects.
Fishes, amphibians, reptiles, birds and mammals all have a similar________
anatomy
Similar structures that related species have inherited from a common ancestor
What happens to the surviving insects?
They reproduce.
how many groups did scientists classify as vertebrates?
five
Scientists who study fossils
Paleontologists
True or false: The development of pesticide resistance is one type of evidence that supports the theory of evolution.
True
if animal bones are arranged in a similar way, what does that mean?
they evolved from a common ancestor
Proposes that evolution occurs slowly but steadily.
What are some evidence that organisms have changed over time?