Molds and spores of fungus found in damp places, like basements or inside walls, can become toxic.
true or false .. i put true

i have to report this, it doesn't relate to biology

they have sperm in my gf's mouth

explanation:

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.