Why can't animals undergo photosynthesis?

Question

Why can't animals undergo photosynthesis?

Answer 1

In general, they can't, because they lack chlorophyll, but one animal (Euglena) does contain chlorophyll, so it can undergo photosynthesis:  http://staff.jccc.net/pdecell/protista/e...

In addition, some animals (certain corals and anemones) have a symbiotic relationship with algae that live inside their cells where they carry out photosynthesis and make food for the coral or anemone as well as for themselves:  http://oceanservice.noaa.gov/education/k...

Answer 2

because animals lack chlorophyll and chloroplast. which is what a plant needs to undergo photosynthesis.

Answer 3

no chloroplasts

Answer 4

plants can carry out photosynthesis because of the abundancy of the green pigment molecules,i.e. chlorophyll in the plant tissues.Animals cannot carry out photosynthesis because animals do not have chlorophylls and the tissues cannot convert the light energy absorbed into the organic molecules such as glucose and other nutrients that an individual needs.