I hope this helps
gymnoseperms meaning "naked seeds" are a diverse group of seed plants and are paraphyletic. paraphyletic groups are those in which not all members are descendants of a single common ancestor. gymnoseperm seeds are not enclosed in an ovary; rather, they exposed in cones or modified leaves
The respiratory system brings air into the lungs supplying the blood with oxygen. Oxygen is carried throughout the body to the organs and keeps the heart pumping and when the blood circulates back to the lungs the process starts over again.
The prey is likely to decrease/decline if the predator's population increases
The cure for scurvy, sort of
A) be unable to maintain homeostasis