What organism develop in a placenta during pregnancy?
humans females reptiles arachnids hornworts Ribosomes crusteceans glowworms
A B C D E F G H
What organism develop in a placenta during pregnancy? (A) humans (B) females (C) reptiles (D) arachnids (E) hornworts (F) Ribosomes (G) crusteceans (H) glowworms