Develop an investigation and describe the data that will be collected to
test how changes in an external environment can impact the internal
conditions of a living system. Use background knowledge and textual
evidence to support your answer(s).

The external environment has a direct effect on the internal condition of living organisms.

Explanation:

External environment plays an important role on the internal system of living organisms because the internal environment acts according to the external environmental condition. For example, when the external environment of plant is hot so for regulating internal temperature, the plant transpire water through stomata in order to cool down the internal system because in high temperature plant body cannot perform proper function.

the titanic would be the correct answer

layer 3 is younger than layer 6.