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