How to access Photo Stream on iPhone and iPad. 1  Launch the Photos app on your iPhone or iPad. 2  Tap on the Albums tab in the bottom navigation. 3  Tap on My Photo Stream.ow to access Photo Stream on iPhone and iPad. 1  Launch the Photos app on your iPhone or iPad. 2  Tap on the Albums tab in the bottom navigation. 3  Tap on My Photo Stream.
Ecologists study these relationships among organisms and habitats of many different sizes, ranging from the study of microscopic bacteria growing in a fish tank, to the complex interactions between the thousands of plant, animal, and other communities found in a desert. Ecologists also study many kinds of environments.
Ecology is not synonymous with environmentalism, natural history, or environmental science. It overlaps with the closely related sciences of evolutionary biology, genetics, and ethology. An important focus for ecologists is to improve the understanding of how biodiversity affects ecological function. Ecologists seek to explain: