Evolution 1
Evolution 2
Evolution 3
Evolution 4
Evolution 5
100
A process by which favorable traits tend to increase in frequency over time is called
What is natural selection?
100
Embryological evidence provides _____________ evidence of a common ancestor among all vertebrate species.
What is developmental?
100
Why is not finishing all of your prescribed antibiotics bad?
What is some potentially resistant bacteria will remain and could begin to grow again, cause a worse infection. Finishing all of an antibiotic should kill the nonresistant bacteria so that the body can more effectively fight off the resistant bacteria ?
100
When individuals at only one end of a bell-shaped curve of phenotype frequencies have high fitness, the result is ___________ selection
What is directional selection?
100
The number and location of bones of many fossil vertebrates are similar to those in living vertebrates. Most biologists would probably explain this fact on the basis of
What is a common ancestor?
200
How did fossils contribute to Darwin’s ideas about changes in species over time?
What is
- common ancestry
-relationship of living species to fossil species?
200
The similarity in homologous structures between different species is evidence that they
What is share a common ancestor?
200
The species of tortoises that Darwin found on the Galápagos Islands displayed different structural adaptations. One of the adaptations that Darwin noted was the
What is difference in neck length of the tortoises on different islands?
200
The combined genetic information of all members of a particular population is the population’s
What is gene pool?
200
An adaptation is an inherited characteristic that can be __________ _____________. (think echolocation)
What is physical or behavioral?
300
What is an inherited trait that increases an organisms chance of surviving and reproducing?
What is an adaptation?
300
Natural selection acts on traits in a __________________.
What is a population?
300
A diagram that organizes evolutionary history of organisms.
What is a cladogram?
300
The separation of populations by barriers such as rivers, mountains, or bodies of water is called
What is geographic isolation?
300
Darwin called the ability of an organism to survive and reproduce in its environment
What is fitness?
400
What type of distribution of phenotypes is described and shown in the graph?
What is stabilizing selection?
400
What are the four steps of natural selection?
What is overproduction, variation, , selection, adaptation?
400
A tool used to identify the scientific name of an unknown organism.
What is a Dichotomous Key?
400
The most important factor that is necessary for the formation of a new species is
What is reproductive isolation?
400
What is overproduction?
What is more offspring are produced than can possibly survive?
500
List the evidence (s) for evolution.
What is are homologous structures, analogous structures, vestigial structures, embryology, biochemistry, fossil record, biogeography ?
500
Explain why selection can cause populations of organisms to change
What is it allows some organisms to survive and produce offspring while others do not?
500
The Galápagos finch species descending from one common ancestor and were being split by islands are an excellent example of
What is speciation?
500
According to Darwin’s theory of natural selection, the individuals that tend to survive are those that have
What is
variations best suited for the environment
fitness ?
500
What are the three components of an adaptation?
What is
1. heritable
2. functional
3. increases an individuals fitness ?