孤雌生殖

孤 = 孑 + 瓜 : Gitta Giraffe (gu) is currently the space station's lone (孤) inhabitant. To feel less lonely (孤), she drew a mosquito's (孑) face on a melon (瓜) to have somebody to talk to in front of the space station (Ø1).

雌 = 此 + 隹 : The King of Chu (c) is wooing a female (雌) sparrow (隹) just inside the space station's entrance (Ø2). He knows that women like shoes, so he brought a pair of big and expensive boots (此), unfortunately much too large for the small female (雌) sparrow (隹).

生 = 牛 + 一 : Mnemonic symbol: a cradle.

Sherlock Holmes (sh) comforts a crying baby bull (牛) in a cradle (生) in front of the engine ((e)ng1) and plays him a tune on a flute (一).

殖 = 歹 + 直 : The wicked witch (歹) asks James II of England (zh) to reproduce (殖) with her just inside the space station's bathroom (Ø2), but James II of England will only agree if she'll be straight edge (直).