1 . An individual is a single living thing ? True or False ?
2.Members of the same population rarely interact with each other ? True or False ?
3.The biotic component of a biome is a community? True or False ?
4.An ecosystem includes only biotic factors. True or False ?
5.The biosphere includes all the other levels of organization in ecology. True or False ?

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.

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the answer would be..

b. sucking

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.