Phylogeny
A phylogenetic tree can determine common or shared _________.
Ancestors
What is the correct spelling;
a.speciation
b.specition
c. spetiation
What are fossils?
Preserved remains, or traces of remains, of ancient organisms
True or false: Embryos of different species develop in completely different ways
False; they develop almost identically
What is geographic isolation?
When two populations are physically separated by barriers.
You can see which species branches off of which/came from which
What can reproductive isolation result in?
What are the two kinds of comparative anatomy?
Homologous and analogous
True or false: It is proven that all creatures came from ___ ______ _______
One common ancestor
Mountains, rivers, and bodies of water are examples of?
Geographic Isolation
The top of the evolutionary tree usually represents the _______, while the bottom usually represents the _______.
present, past
Reproductive isolation is the _________ of members of two populations to __________.
inability, interbreed
Bats, birds, and butterflies are evidence of _________ species
Converging
True or false: Bird wings and butterfly wings are an example of analogous structures
Temporal Isolation is when two or more populations reproduce ___ _________ _____.
at different times (could be season, time of day, month, etc.)
Phylogeny is the study of ____________ ________ and relationships between species.
evolutionary pathways
Speciation is a process by which members of a population evolve to become _______ ______.
distinct species
What are vestigial structures?
Organs or body parts that seem to have no function
True or False: Analogal Isolation is an example of reproductive isolation
False; it is not.
Behavioral isolation is when two populations are capable of mating, but _______ prevent.
Rituals
A phylogenetic tree is a diagram that shows what?
Evolutionary relationships between organisms
What can speciation be a result of?
Reproductive islolation
What is molecular evidence considered?
The "gold standard"
True or false: Homologous structures have the same function, but different structure
False; they have the same structure but a different function
How many different kinds of reproductive isolation are there? Name them.
Three. Geographic, Behavioral, and Temporal