Pretty sure the realistic answer is A. They had traits that helped them adapt the environmental changes
Answer:.
Sunlight needed for energy would not be able to be absorbed.
Explanation:
Answer:
Sowbugs and pillbugs are similar in appearance and their names are sometimes used interchangeably. However, the sowbug has a pair of tail-like appendages which project out from the rear of its body, while the pillbug has no extreme posterior appendages, and can roll up into a tight ball when disturbed.
Explanation:
Answer:
Contraction is prevented
Explanation:
The sarcomere is the basic contratile unit of muscle i.e the unit responsible for contraction in the muscle and it consist of two main protein actin; which forms filaments involved in contraction and myosin; a motor protein responsible for contraction. Calcium interacts with these protein and in the absence of Ca, contraction is inhibited (sacromere with not be able to undergo contraction)
Arteriolar blood pressure increases in response to
Adrenaline hormome secreted by Adrenal gland in case of emergency or in do or die conditions.
when this hormone is secreted blood pressure and heart beat increases. more blood is directed towards skeletal system that allows us to face the problem.
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