Ecology and evolution of infectious diseasesgenomics"Tree of All Life"global There are many fields of biology, and in some branches, biologists are concerned with tiny

, while others study vast

. Biologists who study how the activities of all living organisms affect both the atmosphere and climate are working in the field of

. Researchers who seek to replace damaged genes or to genetically engineer bacteria are studying

. Some biologists work to combine the latest genetic information with computer technology to organize all living things into a single universal

. Scientists concerned with HIV, bird flu, drug-resistant bacteria, and other pathogens are researching the

, while others who look at the entire sets of DNA code contained in a wide range of organisms are studying

i think its white blood cells

i hope this

osteogenesis imperfecta (oi) refers to a congenital ailment of bones. in the condition, the bones become brittle or fragile. this ailment is a general result of the defect or mutations in the genes (colia1 or colia2). this mutation results in imperfect collagen formation either in quantity or quality wise.  

there are eight kinds of oi defects, and each kind varies with certain distinctions in symptoms. the usual symptoms include frequent bone fractures, loss of hearing in infants, protruding eyes, discoloration of the white in the eyes, respiratory issues, loosening of the joints, short stature, and other symptoms.  

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,

the answer is d hope this