The bands of circular muscle structures that are located at the cuttlefish skin are most likely responsible for the changes of its outer covering. In addition, the colour cells that are present on the cuttlefish skin were estimated to be about 10 million which is why it was coined "the chameleons of the sea."
Osmosis<span> is the phenomenon of the movement of Solvent molecules from lower solute conc. to higher solute conc. through a semi-permeable membrane to make solute conc. equal on both sides.</span>
3. Autotrophs produce organic molecules. I think 4 is cellular respiration cannot occur without photosynthesis
Answer:
The nucleus, cell membrane and cytoplasm.
Explanation:
The nucleus, cell membrane and cytoplasm are three elements that cannot be absent in a cell because they are necessary for the survival of the cell. The nucleus controls and regulates the activities happening inside the cell e.g. growth and metabolism etc. Cell membrane acts as a wall to protect the inner part of the cell from the external environment as well as allows nutrients and gases inside and outside the cell. Cytoplasm serves as a medium for the conduction of nutrients and waste from on place to another and also for the medium for organelles in which they floats.
Maya is pregnant and the doctor should tell her about the
condition of preeclampsia that this condition <span>can affect other
organs in the mother's body. It can cause kidney damage, liver failure,
neurological symptoms, such as severe headaches, seizures, and fluid on the
lungs and the reason behind this is may be a substance released from placenta.
And due to this the fetus may not get the nourishment and oxygen it needs for
growth. </span>