I’m pretty sure it’s bulb but not 100% sure :)
The answer is B. Hydrosphere
Answer:
Outside cell:Signals coming from other cells
Inside cell: Cell stress, weak external signals
Explanation:
Apoptosis can be intrinsic or extrinsic. Where it is intrinsic, signal for Apoptosis comes from within the cell(in this case cell stress or weak external signal) apoptosis; death of cell occurs. Extrinsic signal occurs where the cell gets signals from other cells and apoptosis takes place.
Answer:
because some had feathers
Explanation:
