Evolution Flashcards
Why the Oxygen level increased in Archaen Eon?
The Oxygen level increased because the cyanobacteria produced them.
tells us about
the theory of special
creation.
Conventional religious literature
This theory has three connotations.
Conventional religious literature
What are the three connotations theory of conventional religious literature?
- One, that all living organisms (species or types) that we see today were created as such.
- Two, that the diversity was always the same since creation and will be the same in future also.
- Three, that earth is about 4000 years old.
is any change in the heritable traits within a population across generations
Evolution
refers to a change in the characteristics of a population over time.
Evolution
is caused by changes in the alleles
present in a population.
Evolution
are the alternative forms of genes present in an organism,
which are inherited through sexual or asexual reproduction.
Alleles
The alleles present in an organism are known as the ______
genotype
refers to the physical characteristics that
result from expression of the genotype.
phenotype
There has been gradual evolution of life forms. Any
population has built in variation in characteristics.
Theory of Evolution by Charles Darwin
concluded that existing living forms share similarities to
varying degrees not only among themselves but also with
life forms that existed millions of years ago. Many such life
forms do not exist any more
Charles Darwin
Based on observations made during a sea voyage in a sail
ship called ______.
H.M.S. Beagle round the world.
what is the other word that charles darwin use in his theory?
fitness of the individual or
population