What is speciation?
a. the way that most species become extinct
b. the process by which new species are formed
c. the adaptations that an organism fit into its environment
d. the mutations that take place in an organism’s dna

Speciation is b. the process by which new species are formed. They are often caused by the isolation of certain organisms in terms of environment or geographical area. This is part of the evolutionary changes that various species undergo to brought about by natural selection.

An autotrophic protist - they can perform photosynthesis and mainly consist of unicellular algae. they can be divided into number of systematic group according to the shape of their cell and the type of photosynthetic pigments they use.