Drag the tiles to the boxes to form correct pairs. Carmen conducts tests on a sample of four autotrophic organisms to determine the type of photosynthetic pigment present. Match the
pigments to the species in which they are present.
phycobilin
sea lettuce
phycocyanin
diatoms
chlorophyll b
cyanobacteria
fucoxanthin
red algae

Which statement is correct? the speed of the light ray is the same in air and medium a. the speed of the light ray is the same in air and medium b. medium a and medium b have different densities because light refracts at different angles. medium a and medium b have the same density because the light ray strikes both at the same angle.