bio evolution quiz
For a given gene, the proportion of times a certain allele occurs in a population relative to the occurrence of all the alleles for that gene is called as ____
Allele frequency
___ structures that have the same function but different evolutionary origin
Analogous
All of the following suggest proof that evolution existed. Select the exception:
Artificial selection
____ are the preserved remains or traces of organisms that had died long ago
Fossils
A ____ is a set that contains all the alleles of all the genes in all individuals of a population
Gene pool
Which of the following is not a vestigial structure in humans?
Having bacteria in large intestines
Survival of the fittest was first coined by:
Herbert Spencer
Which of the following is true?
Homo habilis lead to H. erectus, to H. sapiens.
Which of the following does not belong to apes?
Homo sapiens
________ are structures that have the same evolutionary origin despite their current appearance or function
Homologous
Which group is prosimians?
Tarsiers
Which of the following does not belong to hominoid group?
Monkeys
Examples of Vestigial structures in humans
-Coccyx bone -Hair on ears -Appendix in human cecum (large instestine) -Mammary glands in men
Examples that is proof of evolution
-Molecular biology- DNA/RNA -Vestigial and homologous structures -Genetics -Presence of pharyngeal gill slits, post anal tail, notochord, and nerve chord
In _____, a population is drastically reduced by a natural catastrophe or overhunting
Bottle neck evolution
Untrue statement
Chimpanzees are the most arboreal of all apes
_____ is one of the major sources of natural selection, is an interaction among organisms competing for scarce resources. While, ____ is a process in which species mutually affect one another's evolution.
Competition, coevolution
Leglessness in worms and leglessness in snakes is an example of:
Convergent evolution
_____ is a process in which natural selection causes non-homologous structures that serve similar functions to resemble one another
Convergent evolution
Biologists group animals based on shared characteristics. Which of the following does not belong to the group?
Endosymbiosis
Hominoid group
Orangutans,Chimpanzees,Humans, and Gibbons
Which of the following is not a characteristic embryonic feature (as per embryology)?
Phenotypic physical traits
_____structures have no apparent essential function
Vestigial