QUESTION 7 Which of the following skeletal adaptations allows for more efficient

Question

QUESTION 7 Which of the following skeletal adaptations allows for more efficient respiratory ventilation? O Trunk stiffening with diaphragm attachment O joint capsule with synovial fluid O cervical vertebrae separating from pectoral girdle O Combination of lamellar and cancellous bone in limb elements QUESTION 8 Which of the following is a selective advantage to cope with increased gravity in the terrestrial environment? O Large jaw muscles with increased suction capacity O Reduced reliance on water with internal fertilization O Complex circulatory systems with enlarged hearts 0 Fatty livers with increased buoyancy QUESTION 9 Endotherms do not use behavioral mechanisms to help regulate their body temperature. O True O False

Explanation / Answer

Ans 7...c...cervical vertebrae separating from pectoral girdle

From options only 2 options seems to be significantly relates to respiratory system.option a and c.. acc to option a trunk stiffening with diaphragm attachment seems to be function like it's decrease the expansion.so option c is the only choice we have here

Ans 8..C...complex circulatory system with increased heart size

These can efficiency pump the blood in whole body against the gravity

Ans 9.. True

Endothrm have inbuilt mechchanism to regulate thier body temprature.t hey are capable of internal generalisation of heat.behaviour mechanism are for exothermic organism

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