Horses and tapirs have a common ancestor, but they now look very different from one another. horses are now grassland animals adapted for grazing on grass and shrubs. tapirs are jungle animals that live in dense forests and eat fruit, leaves, and aquatic vegetation. which of the following led to the development of such differences in the two species?
a. selective breeding
b. convergent evolution
c. dna hybridization
d. natural selection

you can have just about every answer you can think of

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.  

dna is a set of a gene held together by a chemical bond