List type of evidence of evolution

Genetics, similarity in DNA, Two closely related organisms will have similar DNA, RNA, and protein sequences Shows evidence of a common ancestor

Changes to a body part over time Takes millions of years Mimicry, copy the appearance of another organism Camouflage, blend into surroundings

the number of times that an allele occurs in the gene pool compared to the number of times the other alleles for the same gene appear

long neck and curved shell to let the turtle reach sparse vegitation Isabela Island: dome shaped shell and shorter neck, the vegetation is closer to the ground

List sources of genetic cariation

Gene Recombination, sexual reproduction. Sexual reproduction provides variety within a population when two gametes are combined.

members of a species compete for the necessities of life, the ONLY reason we are on this planet is to survive and reproduce

Individual organisms differ due to heredity Organisms overproduce offspring because more organisms are produced than can survive.

Different but related species occupied different habitats within a local area Tortoises had different shaped shells Hood Island, long neck and curved shell to let the turtle reach sparse vegitation.

What gases made up earths early atmosphere?

Hydrogen sulfide, Methanem, amd carbondioxide

What occurred at the time is that animal corpses would be found by worm-like creatures that would make the corpses in to land

Many bone fragments were left under ground by volcanic reactions henceforth giving us land

Volcanic eruptions commonly occurred at that time period but when erupting the volcanic looking liquid would harden, giving us land

What is the endosymbiotic theory?

Prokaryotic cells engulfed each other creating the first eukaryotic cells

Eukaryotic cells were the first to form and then they created prokaryotic cells

Both prokaryotes and eukaryotes created at the same time

Prokaryotic cells fought each other to become eukaryotic cells

What is an example of a vestigial structure?

Pelvic and femur bone of a whale

arm bones of a cat, human, and bat

wings of a butterfly, bat, and bird

What is an example of a analogous structure?

wings of a butterfly, bat, and bird

arm bones of a cat, human, and bat

Pelvic and femur bone of a whale

Humans selecting desired traits

All of the genes present in a population

What is an example of a homologous structure?

arm bones of a cat, human, and bat

wings of a butterfly, bat, and bird

Pelvic and femur bone of a whale

The amount of time it takes for half of the radioactive atoms to decay

A fossil used to tell how old other fossils are

The amount of time it takes for the radioactive atoms to double

All of the genes present in a population

The selection of desired traits by humans to be passed on to future generations

When a new mutation enters a population, what determines if that mutation is passed onto future generations?

The mutation increases the animals fitness

The mutation decreases the animals fitness

The mutation does not impact the organisms fitness

We have no idea how mutations are passed through generations

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age of the fossil is determined by comparing it to fossils in other layers

record of the life forms and geological events in Earth’s history

Any trait that aids in the chances and reproduction of an organism

how well an organism can survive and reproduce in its environment

individuals better suited for their environment will survive and reproduce most successfully

Darwin’s explanation for evolution
Organisms with favorable variations survive and reproduce and pass these on (less desired traits die and aren’t passed on)

remnants of organs that no longer function but they did in an earlier ancestor. Shows evolutionary relationships

similar structure but different functions, shows common descent and evolutionary relationships

groups of individuals of the same species that interbreed
They share a gene pool

all of the genes, including different alleles, that are present in a population

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Popular Resources on Wayground

Discover more resources for Biology

Shortest bio quiz

36 questions

age of the fossil is determined by comparing it to fossils in other layers

record of the life forms and geological events in Earth’s history

Any trait that aids in the chances and reproduction of an organism

how well an organism can survive and reproduce in its environment

individuals better suited for their environment will survive and reproduce most successfully

Darwin’s explanation for evolutionOrganisms with favorable variations survive and reproduce and pass these on (less desired traits die and aren’t passed on)

remnants of organs that no longer function but they did in an earlier ancestor. Shows evolutionary relationships

similar structure but different functions, shows common descent and evolutionary relationships

groups of individuals of the same species that interbreedThey share a gene pool

all of the genes, including different alleles, that are present in a population

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Biology

Darwin’s explanation for evolution
Organisms with favorable variations survive and reproduce and pass these on (less desired traits die and aren’t passed on)

groups of individuals of the same species that interbreed
They share a gene pool