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The number of species on island depends on the size of the island and its distance from mainland. This statement would most likely be made by _______________.
The first comprehensive theory of evolution, which proposed that the mechanism was an inner drive for improvement, was proposed by _______________.
Presence of vestigial body parts in organisms like coccyx in human and leg bones in snakes _______________.
challenge prevailing beliefs
support idea on evolution
add up naturalist confusion
all of the above
Porpoise flippers, human arms, bat wings and elephat’s leg are different outwardly but have similar form internally. This shows they have_________________.
common eating behaviour
all of the above
Organs of different organisms that have a similar form due to a common origin are ______________.
These are inferences made in the Principle of Natural Selection except:
Individuals with less adaptive traits cannot survive.
Adaptive traits may make an individual better suited to an environment.
Individuals that better suited to environment are better able to survive tend to leave more offsprings
Frequency of adaptive tends to become more common in a population over time.
The first to propose that the mechanism for the evolution of organisms is by natural selection was _________________.
Parts or traces of an ancient organism preserved in rock are known as ____________.
A unique rock layer that marks an abrupt transistion in the fossil record which implies a mass extincion worldwide 65.5 million years ago.
Similar in function or appearance, but not in origin or development.