Baltes et al.'s research in gerontology is focused on plasticity. the research uses the term "plasticity" to describe people's capacity. plasticity refers to the belief that capacity is not fixed but can be learned or improved with practice. which core issue of human development does baltes et al.'s research explore? a. stability–change issue b. universal versus context-specific controversy c. continuity–discontinuity controversy d. nature–nurture issue

C. continuity-discontinuity controversy      

Explanation:

The continuity approach says that change is a gradual and continuous process. A Child becomes more skillful in talking, thinking, or acting a lot the same way as they get elder or taller. The discontinuity approach says development is an abrupt process-a sequence of changes that construct different behaviors at different ages.

Discontinuity includes:

1. lack of cohesion or continuity.

2. Gap sense.

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.

the correct answer is option c. elenita versus "early puerto rican decor" is the best example, out of all the options, of a cultural conflict. a cultural conflict is defined as what happens when different cultures, that have different values and believes, clash. elenita not liking or accepting the puerto rican style of decoration, would represent that she does not identify herself with the puerto rican culture, therefore does not want to have decorations influenced by that culture.