Evolution theories
Selective pressures
Evidence of Evolution
Phylogenetic trees
Evolution terminology
100
Who theorized that evolution occurred through natural selection?
Charles Darwin
100
What type of selection is being shown in this image?
Natural selection
100
What are the names of structures/ organs that once served a purpose in a past ancestor, but serve no purpose now?
Vestigial structures
100
Which two pairs of species are most closely related to each other?
A&B, C&D
100
State the term that matches this definition:
Multiple organisms with the same niche fighting to survive.
Competition
200
Who theorized that evolution occurred through the inheritance of acquired traits?
Lamarck
200
What kind of selection is being shown in this image?
Artificial selection
200
Paleontologists use __________ to look for anatomical homologies of ancient organisms.
fossils
200
What does a phylogenetic tree show us?
- relatedness between organisms/ species
- unity of life
- descent with modification
200
State the term that matches this definition:
Differences in an organism's characteristic(s) that determines its survival (ex. beak sizes)
Variation
300
What is another term for Darwin's theory of natural selection where the most suitable organism survive and produce offspring?
Survival of the fittest
300
What type of selection is being shown in this image?
Sexual selection
300
What are the 3 types of homologous structures that can provide proof of evolution?
anatomical, molecular, and embryological
300
Which trait connects the primates, rodents & rabbits, crocodiles, and dinosaurs & birds through a common ancestor?
Amniotic egg
300
State the term that matches this definition:
The process by which organisms, over time, develop heritable traits that enhance their ability to survive and reproduce in a specific environment
Adaptation
400
Darwin published his ideas of natural selection in a book called:
The Origin of Species
400
Over time, a group of ticks may become resistant to a certain pesticide that was created by humans. What type of selective pressure causes this to happen?
Natural selection
400
What is the name of the transitional fossil that showed the evolutionary transition from fish to tetrapod?
Tiktaalik
400
What are the 2 most closely related animals to crocodiles?
Birds and non-avian dinosaurs
400
State the term that matches this definition:
Environmental factor or force that influences the survival and reproduction of organisms (ex. seeds)
Selecting agent
500
What are two characteristics of a species?
- organisms can mate with each other
- organisms can pass their DNA onto their offspring
- there is a variation of traits
500
Name all 4 selective pressures of sexual selection.
Coloration, songs, dances, and fighting
500
Why do scientists look at embryological homologies to determine relatedness between organisms?
Certain traits can only be seen in an embryo stage.
500
What would be the 3 most recent common ancestors to the chicken- in the order of most recent to most ancient?
Turkey, zebra finch, and lizard
500
State the term that matches this definition:
The process of humans selecting individuals/ crops from different breeds, varieties, or species, resulting in offspring with a combination of traits from both parents (hint- think of the corn video!!)
Cross breeding