Which two groups of organisms contain members that carry out photosynthesis?

a.) fungi and plants
b.) plants and algae
c.) protists and fungi
d.) animals and algae

The correct answer would be B.) plants and algae.

Photosynthesis is the process by which an organism synthesized its food (glucose) from carbon dioxide and water in presence of sunlight and chlorophyll.

Chlorophyll is the one of the essential elements required for the process of photosynthesis.

It is a green color light absorbing pigment which helps in providing energy for photosynthesis.

It is present in the chloroplast found in leaves of the green pants and algae. In addition, algae can contain carotenoids and phycobilins as photosynthetic pigments.

The process of photosynthesis is similar in both the plants and algae and is divided into two phases light-dependent and light-independent reaction.

Light-dependent reaction coverts light energy into chemical energy (ATP and NADPH) which is then used in light-independent reaction to fix carbon (obtained from carbon dioxide) into glucose.

Chlorophyll is also found in cyanobacteria however, cyanobacteria is a prokaryotic cell and lacks membrane bound organelles such as nucleus, chloroplast et cetera.  Photosynthesis takes place in the plasma membrane of the cyanobacteria.

In contrast, fungi and animals are heterotrophic in nature as they do not contain chlorophyll and do not conduct photosynthesis.

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b. read the phase at the intersection of any given temperature and pressure.