Early Study of Evolution
what is the process by which modern organisms have descended from ancient organisms
evolution
which one of these factors do NOT affect the process of natural selection
genetic varation
why do some species survive while others go extinct
A quick change in conditions or environment.
how can a scientist tell how old a tree is
By counting the rings on the inside.
True or false, Scientist use genetic D.N.A in order to determine the species ancestors and relatives
True
The first serious attempt to explain evolution began when? and who did it?
late 1700s-Jean Baptiste Lamarick
What is Natural selection
The process by which an organisms that are best adapted to their environment are most likely to survive and reproduce
True or False there are six thousand units in one copy of human DNA
False
When an animal dies, after 13 days the body turns into a fossil, T or F?
False the body isn't the fossil and it takes longer
What is a species?
A group of similar organisms that can mate
who made natural selection
Charles darwin
true or false there are 6 thousand units in one copy of human DNA
false ( 6 billion )
what are proteins
complicated molecules that carry out important functions
how do fossils form
a mold creates a hollow area in a rock that is the shape of an organism or part of an organism
What is the name of the person that taught herself how to reconstruct bodies of fossilized animals, which helped scientists to figure out that some animals lived in the past and were extinct now?
Mary Anning
What is mutation?
Any change in the DNA of a gene or a chromosome
True or false- The process by which two species evolve in response to changes in each other over time is called natural selection.
False- It is called Coevolution
Many types of fossils reside in what type of water?
Still water
The ________ of genes can occur when one cell engulfs the other or when bacteria share their DNA with other cells.
Transfer
What is it called when an organism inherits a behavior or physical characteristic that helps the organism survive and reproduce in it's environment
Adaptation
The process by which organisms that are best adapted to their environment are most likely to survive and reproduce is called _______
Natural Selection
The adaptation of ducks having oily feathers allows them to keep _______
dry
True or False? A fossil is the impression that an organism or part of an organism leaves in the atmosphere.
False
What does LUCA stand for?