Why are advantageous traits more likely to be passed onto offspring?
  • Because they are more likely to survive and reproduce.
  • Because they come from dominant alleles.
  • Because they come from recessive alleles.
  • Because the organism knew it needed that trait, survives, and passes it on.
Mutations are a change in what?
  • DNA
  • tRNA
  • protein
  • rRNA
The differences among a species, like different bird beaks, are called
  • genes.
  • variations.
  • traits.
  • theories.
Why is the mouse population changing over time?
sc-9 sb-10-Natural Selectionimg_no 133.jpg
  • The light mice can reproduce more successfully than the dark mice
  • The hawks eat more dark mice than light mice because the dark mice taste better
  • The hawks eat more light mice than dark mice because they can see the light mice more easily
  • The hawks eat more dark mice than light mice because they can see the dark mice more easily
What process is being shown in this image?
sc-9 sb-10-Natural Selectionimg_no 134.jpg
  • Variation
  • Natural Selection
  • Selective Breeding
  • Homeostasis
Where do adaptations come from?
  • The individual organism decides to adapt
  • Mutations that give an organism an advantage in its environment
  • Genetic recombination during meiosis
  • Both mutations and genetic recombination are sources of adaptation
"Organisms that are better adapted to the environment survive to pass traits to their offspring" is the definition of
  • Natural Selection
  • Evolution
  • Selective Breeding
  • Artificial Selection
Which best describes the role of mutations in natural selection?
  • Mutations help an organism to better survive in their environment
  • An organism may acquire a helpful mutation by interacting with the environment
  • A mutation may result in a beneficial trait that makes an organism more likely to survive and reproduce
  • Organisms with certain traits are more likely to win competitions for mutations
All rabbits of the same species living in a particular area would be an example of a(n)
sc-9 sb-10-Natural Selectionimg_no 135.jpg
  • population
  • species
  • community
  • ecosystem
The more genetic variation a population has, the more likely it is for some individuals to
  • evolve
  • migrate
  • survive
  • mutate
Mutations are important because they bring about
  • death of the organism in which they develop
  • genetic variation needed for a population to evolve
  • benefits for the individual, not for the population
  • changes in genotype, but not phenotype
Why do frogs and other organism reproduce so many eggs or offspring?
  • so that their babies can have friends to play with
  • the more offspring the more likely the offspring will survive
  • the more offspring the less likely offspring will survive 
  • the more offspring the less competition
Which organisms are most likely to survive?
  • the best adapted
  • the fastest
  • the strongest
  • the most domesticated (tamed)
Do organisms "decide" to evolve and change?
  • Yes, they know they need to change to survive 
  • No, they change because of natural selection
The long and sharp beak of a woodpecker is an example of:
sc-9 sb-10-Natural Selectionimg_no 136.jpg
  • Natural Selection
  • Selective Breeding
Domesticated dogs are an example of:
sc-9 sb-10-Natural Selectionimg_no 137.jpg
  • Natural Selection
  • Selective Breeding
Why is competition important for natural selection?
  • It shows which variations are more successful, allowing the organisms with those variations to survive.
  • It causes organisms, regardless of which traits they have, to die out, reducing the population size.
  • It causes organisms to get stronger due to having to outcompete other species.
  • Competition is not important for natural selection.
The change over time in populations of related species.
  • biological evolution
  • transition
  • variation
  • adaptation
These cause variations.
  • mutations
  • adaptations
  • a desire to change
  • injuries
A slight difference in an inherited trait between individual members of the same species.
  • variations
  • adapatations
  • homologous structures
  • analogous structures
An inherited trait that increases an organism's chance of surviving and reproducing.
  • variation
  • adaptation
  • vestigial structure
  • mutation
The discovery of DNA and genes proved that
  • Darwin was wrong
  • mutations create variations and come from genes
  • we are all the same species
  • bats and butterflies have a very close common ancestor
The study of the similarity and differences in body structures between species.
  • comparative anatomy
  • embryology
  • molecular biology
  • archaeology
Body parts of organisms that are the same in structure and position but different in function.
  • embryos
  • homologous structures
  • analogous structures
  • vestigial structures
Body parts that function like each other, but are different in structure.
  • embryos
  • homologous structures
  • analogous structures
  • vestigial structures
Body parts that have lost their original function.
  • embryos
  • homologous structures
  • analogous structures
  • vestigial structures
Organisms with these structures are believed to be closely related.
  • analogous structures
  • homologous structures 
  • mutated DNA
  • gills
Organisms with these structures are NOT believed to be closely related.
  • analogous structures
  • homologous structures
  • vestigial strucutres
  • gills
Organisms with these are believed to be related to an organism who once used the body part.
  • analogous structures
  • homologous structures
  • vestigial structures 
  • gills
Studying the development of ____ can provide scientists with evidence that certain species are related.
  • fish
  • embryos
  • Tiktaalik
  • vestigial structures
What structure on Tiktaalik links fish to humans?
  • gills
  • limbs
  • embryos
  • brain
When an organism of a species is born with a variation in a trait that gives it an advantage in its environment, we call that trait an adaptation.
  • true
  • false
When an organism of a species has an adaptation, it will compete for resources better, survive longer and pass that adaptation on to it's offspring. This process is called
  • evolution by natural selection
  • artificial selection
  • inbreeding
  • outbreeding
What is it called when humans decide which traits of an organism are the most desirable and only allow those organisms with the specific, desired traits to breed.
  • biological evolution
  • evolution by natural selection
  • artificial selection
  • inbreeding
When an organism has a trait that allows it to blend in with its environment, we call that ____.
  • mimicry
  • camouflage
  • lucky
  • sonic hedgehog gene
When an organism has a trait that makes it resemble another species, either in looks or behavior, we call that ____
  • mimicry
  • camouflage
  • copycatting
  • sonic hedgehog gene
The English naturalist that developed the theory of how evolution works.
  • Charles Darwin
  • Charles M. Schulz
  • Charles Dickens
  • Charles Norris
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