What does “in-situ” conservation involve? #1
Preserving an infant away from its natural habitat and reintroducing it when it reaches adulthood.

#2
Preserving a species in a habitat controlled by humans e. g. in zoos.

#3
Implementing international agreements to reduce the population decline of a species.

#4
Preserving the habitat where a species is normally found.

100 dollars because yeah

this protocol provides a detailed procedure for co-immunoprecipitation (co-ip) to identify protein–protein interactions.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".