BIO 100 Chapter 12 Diversity of Life
Which group of organisms are most important as decomposers, which decay dead organic matter and recycle its nutrients ?
Bacteria and fungi
The three domains of life are :
Bacteria, Archaea, Eukarya
Which of the following best describes the taxonomic relationship between chimpanzees and humans?
Chimpanzees and humans evolved from a common ancestor.
Which of the following organisms belongs in the same class as humans?
Dog
Which of the following is the correct classification for humans ?
Domain Eukaryea, kingdom animalia, phylum chordata, class mammalia, genus homo.
A phylogenetic tree:
Illustrates a pathway of evolutional history.
Which of the following are correct assumptions regarding cladistics ?
Living things are related by descent from a common ancestor. Speciation occurs by splits of one species into two species, never more than two at a time and at one point in time. Characteristics change enough over time to be considered in a different state. If a character is found in all members of a clade it is shared ancestral character.
Within the domain Eukarya, the four kingdoms are:
Protista, Plantae, Animalia, and Fungi.
Which statement about taxonomic classification is correct ?
Species are the most specific category of classification.
What is the correct relationship among analogous structures ?
They are derived in response to similar environmental pressures but have different ancestors.
