When your cat stalks and pounces on a bird, the cat is quiet, seemingly a cold-blooded killer, indicative of ___ aggression, but a cat when confronted by a bear arches its back, bristles its fur, and hisses menacingly at the bear is indicative of ___ aggression.

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

i hope this you