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- Multiple ChoicePlease save your changes before editing any questions.
_____________________are similar structures which species have, but which perform different functions. They provide evidence of a common ancestor.
DNA
Vestigial structures
Fossils
Homologous structures
- Multiple ChoicePlease save your changes before editing any questions.
Recently, scientists have been able to use ___________to find common proteins and amino acids to determine how closely related species are.
DNA
Vestigial structures
Fossils
Homologous structures
- Multiple ChoicePlease save your changes before editing any questions.
_____________________are features present in modern organisms which are no longer in use.
DNA
Vestigial structures
Fossils
Homologous structures
- Multiple ChoicePlease save your changes before editing any questions.
_________________ show clear changes in an organism over time, the environment organisms lived in, the time period the organism lived in, and where the organism lived.
DNA
Vestigial structures
Fossils
Homologous structures
- Multiple ChoicePlease save your changes before editing any questions.
Click on ALL examples of a vestigial structure?
A whale's pelvis and femur.
A snake's hind legs.
A human's nose.
A human's appendix.
A human's wisdom teeth.
- Multiple ChoicePlease save your changes before editing any questions.
Which IS NOT used as evidence for evolution?
Fossils
Natural Selection
Early Development/Embryos
Body Structure/Anatomy
DNA/Proteins
- Multiple ChoicePlease save your changes before editing any questions.
When vertebrates are in the early stages of development (an embryo) they all possess....
gill slits and tails
backbone and hands
hands and feet
tongue and mouth
- Multiple ChoicePlease save your changes before editing any questions.
Tiktaalik is an important ____________________because it shows how fish evolved into tetrapods.
theory
funny name
transition fossil
omnivore
- Multiple ChoicePlease save your changes before editing any questions.
The coelacanth is considered a __________________because it existed for a long time, then there was a gap in the fossil record, and it has been discovered living in modern times.
scary sea creature
monster
fish
living fossil
- Multiple ChoicePlease save your changes before editing any questions.
Because whales have a pelvis and femurs, it shows whales are descended from an ancestor that was able to _____________________.
walk
sing
swim
polka