Early Study
Natural Selection
The Process Evolution
Evidence: Fossil Records
Evidence of Evolution
100
Adaptations and variations show evidence of _______
evolution
100
Darwin was able to create the fantail pigeon from the wild rock dove by using ______
artificial selection
100
Unlike an organism with low fitness, an organism with high fitness has the ability to survive and ______
reproduce
100
What evidence supports biological evolution that is found in our fossil record
similar anatomies and embryos
100
Evolution results from changes in
a) genetic material
b) habitats & climate
c) migration patterns
genetic material
200
Who made the first attempt at developing a theory of evolution?
Lamarck
200
Darwin observed that some variations make individuals better adapted to their ________
environment
200
Because they create multiple alleles, mutation can cause:
a) cell division
b) damaged DNA to repair itself
c) variations in traits
C) Variations in traits
200
What can you infer about a fossil record that looks like the following?
related to the turtle, lived in wet area, shell (hard covering for protection)
200
DNA comparisons show that dogs are more related to wolves, than coyotes. How else could scientists confirm their close relationship?
protein structures, fossil structure
300
On his five-year journey sailing around the world, Darwin was amazed by the _________ of living things that he saw.
Diversity
300
Natural selection is affected by three factors: variations among members, competition, and ______
overproduction
300
________ is a mechanism of evolution, that is a random, directionless process
Genetic drift
300
TRUE or FALSE
Younger layers of rock are toward the bottom or center of the Earth
FALSE; towards the top (surface)
300
RANDOM:
Are all genetic traits passed on to the offspring?
TRUE OR FALSE
FALSE
400
A species is a group of similar organisms that can mate with each other produce offspring capable of __________
reproduction
400
Some helpful variations may accumulate in a population, while unfavorable ones may disappear
TRUE or FALSE
TRUE
400
When can mutations occur?
Exposed to radiation, or certain chemicals that damage the cell's DNA
400
What information can you get from a body fossil
shape, structure, type of animal,
400
RANDOM:
Mrs. Shane's favorite subject to teach is ______
Life Science (7th grade science)