<span> Obviously its surface area gets bigger, but the real issue is that its surface area gets bigger at a slower rate than its volume. In other words, the surface area to volume ratio decreases, so before long there is not enough surface area to take in enough nutrients to feed the greater volume. This is the principle limiting factor in how large cells can grow. if the cell is getting bigger as a result of being placed in a hypotonic solution. That situation could end in the cell bursting (blowing up). However, the question sounds like it is asking about getting bigger through normal cell growth. hope it helped you. :)
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Plants use carbon dioxide to breathe basically and then that converts to photosynthesis witch gives them nutrients. And then they release oxygen which humans consume to breathe in then we release carbon dioxide and the circle goes on and on
They did it to get more detailed pictures of space
Multi cellular organisms are composed of many cells whereas unicellular organisms are composed of single cell. Multicellularity is indeed a progressive attribute of evolution where cells form tissue which forms organ and then organ system and finally an organism. Both multi cellular and unicellular organisms has advantages and disadvantages of their own. One of the main disadvantage of multi cellular organisms is that due to such a complex composition and functioning they require a large amount of energy for their maintenance and survival. Different organs and system require a huge amount of energy when it comes to comparison with unicellular organisms. A large amount of energy is also wasted in all these life processes. Though multi cellular organisms can survive in a variety of environmental conditions but then also their survival is difficult than any unicellular organism.
