The smell of freshly cut grass occurs because the plant is signaling it is in distress, simultaneously warning other plants, trying to attract a creature to save it, and signaling to the cells around it to divide to close the wound. this type of signal would most likely be

answer; i believe that the best answer is (secondary cardiac arrest due to

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.