In the food web above, label all producers, primary consumers, and secondary consumers.

Secondary Consumers-Squid, Seagull, Blue Whale, Penguin

Producers-Plankton

Primary Consumers- Krill

Explanation:

Hope this helps!

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.