WorksheetsReview for final - Evolution
Total questions: 22
Worksheet time: 11mins
the gradual change in a species over time is called
mutation
evolution
variation
migration
what refers to the process in which individuals who are better adapted to their environment and can survive and reproduce?
natural selection
overproduction
competition
variation
polar bears have evolved to have white fur that helps them hide from their prey in the arctic where they live. what is this an example of?
adaptation
inbreeding
mimicry
genetic engineering
most of what scientists know about extinct species is based on
sedimentary rock
natural selection
the fossil record
variation
The 8 levels of classification, most BROAD to most SPECIFIC
domain, genus, family, order, class, phylum, kingdom, species
domain, kingdom, phylum, class, order, family, genus, species
domain, species, kingdom, genus, phylum, family, class, order
order, kingdom, species, domain, phylum, family, class, genus
Why would white lizards survive in a white sandy environment verses a dark lizard?
White skin is a favorable adaptation because it helps lizards retain water.
White skin is a favorable adaptation because it makes lizards poisonous.
White skin is a favorable adaptation because it allows the lizards to blend in with their environment.
White skin is favored because it reflects off the clouds.
A scientist is studying characteristic of three species. Species A and species B have characteristics that are 97% similar. In contrast, species C and Species A have a 95% similarity. What can you conclude?
Species B is equally related to both species A and species C.
Species B has a closer evolutionary relationship with C than A.
Species A has a closer evolutionary relationship with B than C.
Species A has a closer evolutionary relationship with species C than it does B.
A phenotype that improves an organism’s chance of survival in their environment is considered a(n) ____________.
natural selection
adaptation
speciation
The pelvic bone of whales is not needed for movement within the water. This is an example of a(n) ______________ structure.
vestigial
analogous
homologous
What era were dinosaurs alive in?
Precambrian
Paleozoic
Mesozoic
Cenozoic
This geological era continues up to the present
Paleozoic Era
Mesozoic Era
Cenozoic Era
What were the first forms of life?
Stromatolites
Bacteria
Sponges
Trilobites
During the Cambrian Explosion, life forms generally were greater in ?
adaptations
extinctions
shells
size
The dinosaurs went extinct at the end of the __________ period.
Cretaceous
Triassic
Jurassic
Quaternary
Which of the following defines a gene pool?
The sum of alleles in an individual of a given species
An organism's complete set of DNA, including all of its genes.
The degree of variation in alleles present in an interbreeding population
The total collection of different alleles in an interbreeding population
