Question

1. Do the cell occur singly or are they grouped together and do they live as an individual group?
2. Do organsims produce their own food through the process of photosynthesis?
3. Of the organisms that perform photosynthesis (plants) , what is the level of organisation of their body?
4. what is evolution?

Answer 1

1. According to the cell theory, new cells form by the pre existing cells, thought it develops individually they live in group called Tissue and perform various alloted functions
2. Organisms like humans cannot produce their own food like plants do due to absence of green plastids and chloroplasts which is essential for photosynthesis