Succulent
having fleshy tissues designed to conserve moisture (A3, C2)
having fleshy tissues designed to conserve moisture (A3, C2)
an external supportive covering of an invertebrate (A3)
in immediate danger of becoming extinct (A3, C4)
a species not native to a particular area (A3, C4, R5)
the rapid development of many species from a single ancestral population (A3, R2, R3, IS1)
a change in an organism or species that enables it to survive in a particular habitat (A3, C3, R3, M2, M3)