Speciation/Populations
Natural Selection
TROPHIC LEVELS
Ecological Relationships
Evidence of Evolution1
Evidence of Evolution2
100
________________ in each population results in a variety of traits.
What is genetic variation?
100
The process in which organisms with more beneficial traits will be more likely to survive and reproduce.
What is natural selection?
100
What is a food web?
100
The ecological relationship that benefits both organisms.
What is mutualism?
100
Organisms that share very similar structures may provide evidence of a ________________ common ancestor.
What is "recent"?
100
The picture shows that the study of ____________ can also provide evidence of evolution.
What are embryos?
200
Two factors that increase a population.
What is birth rate/immigration?
200
Traits that help organisms survive and reproduce.
What are adaptations?
200
In a food web/food chain, plants are the ___________.
What are producers?
200
The ecological relationship between a fox and a mouse.
What is predation?
200
Which layer would have the oldest fossils?
What is the bottom layer?
200
DNA codes for __________________, a macromolecule (ex: enzyme)
What is a protein?
300
Two factors that decrease a population.
What is death rate/emigration?
300
The peppered moth example is an example of _________________ natural selection.
What is directional?
300
Organisms that eat other organisms.
What are consumers?
300
Tapeworms, ticks.
What is parasitism?
300
Structures that are similar due to a recent common ancestor.
What is homologous?
300
Based on the protein cytochrome c amino acid sequences, which organisms are most closely related?
What is horses and whales?
400
The maximum population that can be sustained by an ecosystem.
What is carrying capacity?
400
Peacock's feathers are an example of _____________ natural selection.
What is stabilizing?
400
Bacteria, mushroom, and fungi.
What are decomposers?
400
Ecological relationship between a bird and a tree.
What is commensalism?
400
Structures that have similar functions but are not related to a common ancestor.
What are analogous structures?
400
Based on the image, which organism is most closely related to the chimpanzee?
What is bear?
500
Limiting factors to population size.
What is water, shelter, predators, food, climate, etc.?
500
Rock pocket mice are an example of ____________ natural selection.
What is diversifying?
500
The amount of energy passed on to the organisms on next level of the trophic level pyramid.
What is 10%?
500
The interaction between two organisms living in close physical proximity.
What is symbiosis?
500
Structures that no longer serve a function in an organism.
What is vestigial?
500
True/False: Molecular evidence is the most reliable evidence of evolution.
What is true?