Question

Human ears have muscles responsible for ear movement, but they are nonfunctional in most humans, unlike in other primates. This is an example of which form of evolutionary evidence?
homologous structures
analogous structures
vestigial structures

Answer 1

From google
they said that it is based on vestigial structures
but i have to double check it, hang on

Answer 2

positive!!
" Although structures usually called "vestigial" often appear functionless, a vestigial structure may retain lesser functions or develop minor new ones"
~wiki

hope that helps! :)

Answer 3

thank you!(: i got it right!

Answer 4

yay! congratz! ^.^

Answer 5

i need help with some more/:
An elongated tailbone occurs rarely in some newborn children. What does the presence of a tailbone indicate?(do you want the answer choices)

Answer 6

nm. the answer was b

Answer 7

do you still need help?

Answer 8

Which of the mechanisms below increases the amount of genetic variations in a population?
Genetic drift
Gene flow
Bottleneck effect
Founder effect

Answer 9

before i answer, is this some kind of test or quiz?

Answer 10

no its a pretest. nothing major.

Answer 11

u sure?
hehehe!
kay, according to our bestfriend, "google",
the best answer will be Genetic drift because "it has is a stochastic effect that arises from the role of random sampling in the production of offspring. Like selection, it acts on populations, altering the frequency of alleles and the predominance of traits amongst members of a population, and changing the diversity of the group. "
~ http://www.wordiq.com/definition/Genetic_drift

Answer 12

thank you!(: thats the last one imma ask.

Answer 13

(^_^)