Entries by Daphne Hanson

Cognitive changes in regard to development and maturity levels

Discusses Middle Childhood and Adolescence. During these times, the body goes through a lot of physical, psychological, emotional, and cognitive changes in regard to development and maturity levels. Think of moral behavior, moral reasoning, and the primary developmental task of school-age children during middle childhood and adolescence. Think about developing a sense of identity, independence, […]

The replacement of bison

How has the replacement of bison with cattle on the prairie impacted the ecosystem? Prairie chicken habitat has been reduced and the species is considered endangered. There has not been an impact because bison and cattle both graze on grass. Cattle have encouraged wolves and grizzlies to return to the prairie. Cattle graze on less grass and prairie grass […]

The composition of biological membranes

The composition of biological membranes found in archaea is distinct from biological membranes found in bacteria and eukaryotic cells. The unique lipid composition is thought to afford protection from extreme environments that many archaea inhabit. 10. To survive extreme environments archaea must have very stable biological membranes. Explain how archaea could adapt their biological membranes […]

The process of depolarisation and repolarisation

Explain how neurons communicate using action potentials and neurotransmitters. the answer must compare and contrast the similarities and differences between these two means of communication BACKGROUND SUBJECT: Under resting conditions, the concentration of sodium ions — shown here in red — is about 10 times higher outside the neuron compared to the concentration inside. At […]