A :-) Sickle cell disease occurs more often among people from parts of the world where malaria is or was common. It is believed that people who carry the sickle cell trait are less likely to have severe forms of malaria.
I was able to find 10 endangered species. And they are:
Kings Gold its a plant.
Delta Smelt its a fish
Amargosa vole it is a critter either a rat or a mouse.
Tricolored blackbird it is a type of a song bird.
Buena Vista Lake ornate shrew it is a type of mouse or rat
Desert Slender Salamande it is a reptile. type of lizard
Lange's metalmark butterfly
Sacramento river winter-run Chinook salmon it is a type of fish
California condor it is a type of bird
Gray wolf
Hope this helped
Photosynthesis occurs in plant cells, but does not occur in animal cells.