I say A not sure tho but I did get a grade 5 in biology
The best answer is D, birds.
For more information and details on the way a bird's respiratory system works:
https://asknature.org/strategy/air-flow-patterns-facilitate-efficient-gas-exchange/
This is potential energy because while he was aiming at a bull's eye target, he is storing energy
People living nearby steep cliffs can impact them in
different ways, the people nearby will affect them into having a decrease area
available to grow crops as it is dangerous to even grow crops in areas like it,
another thing is, there will be an increase of landslide hazard as they are in
a steep cliff. Having steep cliffs are dangerous and will only cause them a
disadvantage.
Maybe not because after light increases stomas will decrease and after that plant leaf will take less co2 and less co2 mean less synthesis in the plant.
