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14 questions
The hind leg bones of a whale is an example of a _________ structure
analagous
homologous
vestigial
_________ structures evolve in different species when environmental pressures are similar.
analagous
homologous
vestigial
This graphic illustrates that the heart of a human and turtle are _________ structures.
analagous
homologous
vestigial
Homologous structures necessarily have the same function.
true
false
Bat wings and butterfly wings are both adapted for flight, but evolved separately. Bat and butterfly wings are _________ structures.
analagous
homologous
vestigial
What is is the study of how and why plants and animals live where they do?
evolution
radiology
biogeography
natural selection
The fossils on the layers closest to the top are the ____________.
oldest
youngest
Which statement is best supported by the observable structures of the different humerus bones?
The primates lived in similar environments.
The primates interbreed with similar organisms in a population.
The primates shared a common ancestor.
The primates had similar diets.
Which of the following is an example of a trace fossil?
bones
teeth
shells
nests
Sharks and dolphins are very different organisms even though they look alike. The process in which unrelated organisms evolve to resemble each other is ___________.
punctuated equilibrium
convergent evolution
gradualism
coevolution
Which two species are most closely related?
1 & 3
1 & 4
2 & 3
3 & 4
Antibiotic resistance enters a population of bacteria through ____________.
natural selection
adaptation
mutation
evolution
After many generations, an insect species evolved resistance to a particular pesticide. This occurred because spraying the pesticide...
killed most of the insects in the population
caused another inspect species to go extinct
caused mutations in the insect species’ gene pool
selected for insects that were able to survive and reproduce
Shown here is a reconstruction of an early hominin fossil. What is the nickname of this fossil?
Julia
Prudence
Lucy
Sadie
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