Examlex
In isolated barley aleurone cells, treatment with GA causes the levels of α-amylase to ______, and treatment with ABA causes the levels to ______.
Reproductive Isolation
A set of mechanisms or barriers that prevents different species from interbreeding, leading to the formation of new species.
Biological Species Concept
A definition of species according to which a species is a group of interbreeding natural populations that are reproductively isolated from other such groups.
Phylogenetic Species Concept
A method of defining species based on the smallest group of individuals that share a common ancestor, reflecting their evolutionary relationships.
Sexual Selection
A natural selection process where individuals select mates based on certain traits, affecting the reproductive success of individuals.
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