Adaptations
Adaptations arise from random ________
Mutations
A mutation is any change in the ___of an organism.
DNA
____Is the change in the inherited traits of a population over many generations.
Evolution
Three animals that Darwin studied on the Galapagos Island were: ___, ____, and ____.
Place these mutations in order of least to most change; no change, deletion and insertion, substitution
1. no change 2. substitution 3. deletion/insertion
An adaptation is a characteristic that (increase/decreases) an organisms fitness within its environment
Increases
A mutation can be ___,____, or have _____.
good, bad, no effect
A Paleontologist found a fossil of bony fish buried in the sediment, what conclusion can you they make?
The bony fish evolved before land plants
A ___is a group of organisms that are able to breed with one another.
species
____find and study fossils.
Paleontologists
Adaptations can include _______and ________ that help an organism find a mate, food, or protection.
structures and behaviors
____is an example of a mutation that caused an organism to have a lack of pigment within the skin and body.
Albinism
Scientist can infer that the early period of Earth lacked fossils of oxygen breathing animals, what can they conclude?
The atmosphere lacked oxygen
Lots of organisms of the same ____ form a population.
species
___isolate certain chemicals from rocks and fossils.
Chemists
Adaptations can increase an organism's fitness by allowing them to live longer, find a ____and pass on their good DNA
mate
What are the three types of mutations?
Insertion, deletion, and substitution
The collection of all known fossils and their placement from earliest to most recent is known as the ___ ___
Fossil Record
Who was the scientist that came before Darwin?
Jean-Baptiste Lamarck
____ rock is where most fossils are found.
Sedimentary
According to Darwin, which of the following causes a species to change over time?
Natural Selection
Mutations that are good can lead to ___ ___.
Natural Selection
____isolate certain chemicals from rock samples to analyze them; ____study how living things use chemicals in their bodies.
Chemists, Biologists
Lamarck theory was _____ and his theory was based on __ and ___.
transformation; use and disuse
Darwin believed that certain things causes species to change over time.
Natural selection, mutations, and beneficial traits