WorksheetsCladograms and Phylogeny
Total questions: 15
Worksheet time: 15mins
diagram depicting patterns of shared characteristics among species
Phylogeny
Cladograms
Genetic Variation
Adaptation
the evolutionary history of lineage
Node
Clade
Derived Character
Phylogeny
a trait that arose in the most recent common ancestor of a particular lineage and was passed along to its descendants.
is the loss of a tail, a trait that first appeared in an ancestor of apes and man
Homologous Structures
Fossil
Derived Characteristic
Aerobic Heterotroph
evolutionary branch of a cladogram that includes a single ancestor and all its descendants
Clade
Node
Cladogram
Organic Evolution
the points at the ends of branches which represent sequences or hypothetical sequences at various points in evolutionary history.
Node
Clade
Derived Character
Endosymbiotic Theory
study of the diversity of life and the evolutionary relationships between organisms
Taxon
Binomial nomenclature
Systematics
Endosymbiotic theory
A cladogram is:
a diagram showing the relationships between organisms
evolutionary relationships between organisms
changes in a population over time
Where do we find the common ancestor on a cladogram?
all the way at the top
at the branch points (where lines connect)
all the way at the bottom
Evolutionary relationships between organisms is known as:
cladograms
phylogeny
descent with modification
Which organism is most closely related to the fruit fly?
Chicken
Human
Trout
Whale
Which organisms do NOT have bones?
Chicken
Fruit fly
Human
Trout
Whale
Which of the following best describes a cladogram?
A diagram that shows evolutionary relationships among organisms
A chart that measures genetic variation
A graph that depicts population growth
A table that lists species characteristics
In a phylogenetic tree, what does a node represent?
A common ancestor
A derived trait
A living species
A genetic mutation
What is the primary purpose of using cladograms in evolutionary biology?
To illustrate the evolutionary pathways and relationships between species
To measure the genetic distance between species
To calculate the age of fossils
To identify the habitat of ancient species
Which of the following is a real-world application of phylogenetic analysis?
Tracing the origin and spread of infectious diseases
Predicting weather patterns
Calculating the speed of light
Designing architectural structures
