The energy pyramid below shows the energy made available by producers. Tertiary
consumers
Secondary
consumers
Primary consumers
Producers
(10,000 joules)
Based on the energy flow between trophic levels in an energy pyramid, how
much energy would be expected to be found at the secondary consumer level in
this pyramid?

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

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.

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive