Latest Exam with Accurate Solutions
2025-2026 Update.
Phylogeny - Answer the evolutionary history of a species
Dichotomous branching involves lines branching into how many parts? - Answer 2
In addition to the classification of organisms, the field of taxonomy also includes - Answer
the naming of organisms
Three Domains of Life - Answer Bacteria, Archaea, Eukarya
Approximately how many species have been named world-wide? - Answer 1,500,000
An organism with prokaryotic cell structure could be classified in the Domain/s? - Answer
Bacteria and Archaea
An organism with genetic material containing introns and with multiple RNA Polymerase
enzymes could be classified in the Domain/s? - Answer Archaea and Eukarya
An organism with a membrane bound nucleus and membrane bound organelles could be
classified in the Domain/s? - Answer Eukarya
Bacteria and Archaea utilize what nutritional modes? - Answer Photoautotroph,
chemoautotroph, chemoheterotroph
Photohetertrophs utilize what as an energy source? - Answer Light
What is considered to be alive? - Answer Archaeans
Viruses are composed of two main components: - Answer nucleic acid and proteins
Viroids are composed of - Answer RNA
Prions are - Answer mis-folded proteins
, An organism made up of many cells living together, but which could survive as single
independent cells would be said to be: - Answer colonial
Plant bodies are generally divided into two sections: - Answer the shoots and roots
The largest portion of a young plant is made up of - Answer ground tissue
Primary plant growth occurs - Answer at the tips of the roots and shoots
Protists are best described as being - Answer single-celled and eukaryotic
What would likely reduce the amount of diffusion of materials into or out of a cell - Answer
decreasing the concentration gradient
In large plants, transport in xylem is the result of - Answer transpiration
Based on your understanding of transpiration, increasing the loss of water by evaporation in the
leaves will result in - Answer an increase in the movement of fluid in the xylem
Under the Pressure-Flow hypothesis, the flow of materials in plant tissues is always - Answer
from the source to the sink
Systematics - Answer part of biology that uses phylogeny to categorize the diversity of living
organisms
Node - Answer Each branch point on a tree
Homology - Answer Things seems like they are related, but in reality have a very different
ancestral background
Lowest category of the taxonomic hierarchy - Answer species
Convergent Evolution - Answer organisms that are not close to being related, but share many
characteristics
Peptidoglycan - Answer complex of structural polysaccharides cross-linked by peptides