Answer: Possibly meaning sciene is a subject where you actually have to put in the work. You are doing stuff. Many stuff actually.
Explanation:
The answers are yeast and penicillium.
Some yeasts are used in medicine, for example, some Saccharomyces species, Candida species, etc. They are used for the production of some amino acids, vitamins (C, B2), some proteins (insulin). Penicillium is used for production of antibiotics.
They both are heterotrophs. Both are multicellular eukaryotes. Both reproduce sexually. Both have mitotic and meiotic cell division. Hope this helped=)
They are both plants, also reproduction, and pollen, i think