A medicine e. g penicillin which is developed from organism e. g bacteria or fungi and used to fight infections caused by either bacteria or fungi give the correct biological term

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

In the water cycle , when does water undergo a chemical change

What is used to keep track of the gamates and possible offsprings combination