The land tortoise has a large, rounded shell and strong, stomp like legs that allow it to be successful on land what structural adaptations does a sea turtle possess that make it successful in a marine ecosystem? A: Thicker, more rounded shell, and shorter legs
B: Flattened shell and flipper like legs
C: Flexible Shell and long claws on feet
D: Absence of a shell and non retractable legs

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg 

ya the other dude is right

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.