The seminal work that defined and provided a structure for the concept of cultural. competence was a monograph published in 1989 by the Georgetown University Child. Development Center through a contract with the Department of Health and Human. Services as part of the Child Adolescent Service System Program (CASSP).
Insects also probably have the largest biomass of the terrestrial animals. At any time, it is estimated that there are some 10 quintillion (thatâs 10,000,000,000,000,000,000 for those who like actual numbers) individual insects alive. In the United States, the number of described species is approximately 91,000.
Stick insects are insects that often mimic sticks, branches or leaves. There are over 6000 stick insect species on Earth, many of which are kept as pets. This is a subadult nymph of the stick insect Extatosoma tiaratum. Stick insects are truly masters of disguise.