WorksheetsEvolution Review
Total questions: 18
Worksheet time: 16mins
Structures that have no common DNA link, but have similar functions. EX: Butterfly and bird wings. (a)
What are the 3 types of evidences we talked about in Evolution?
Fossils
Anatomy
Genetic Material
Common Ancestor
Mutations are important because ____.
they bring genetic variation needed for a population to evolve
mutations are not important
they bring about benefits for the individual not the population
they bring death of the organism in which they develop
Change over time is
evolution
generation
growth
biogenesis
A phenotype that improves an organism’s chance of survival in their environment is considered a(n) ____________.
natural selection
adaption
speciation
The forelimbs of mammals have similar anatomy because these groups descended from a recent common ancestor. Their bone structure is an example of a(n) ______________ structure.
vestigial
analogous
homologous
Many different groups of organisms have wings, even though they do not share a recent common ancestor. This is because they evolved in environments with similar selective pressures. Wings are an example of a(n) ______________ structure.
vestigial
analogous
homologous
Below are the % similarities of DNA between whales and other species. Based on this, which are whales most closely related to?
Pig, 68.4%
Hippo, 83.4%
Mouse, 38.4%
Which best describes the phrase survival of the fittest?
strongest in a population are most successful
fastest in a population are most successful
those that can survive and reproduce are most successful
those that can live the longest are most successful
Match the following pictures with the words they represent
Analogous Structure
Homologous Structure
Adaptation
Artificial selection
Natural selection
Organism
Population
Community
ecosystem
biosphere
Evolution affects a(n) _____.
organism
population
environment
biosphere
vestigial structures, like the tail bone, are
No longer used
Serve an important role in our body
allow us to connect with animals
serve multi-purposes
What percent of a population would be affected by a parasite if the parents already survived the parasite? Why?
Which of the following is a fossil?
A plant that has recently died
A trace of an organism that existed in the past
A structure or organ that no longer functions
A group of organisms that can reproduce
Natural selection results in change over time by acting on traits that are ____.
Mutated
New
Old
Heritable
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