The
intensity range would be 60-80%.
A high
resting heart rate is indicative of an inefficient heart or possible arrhythmia.
Physical activity assessments should begin after the client has been screened
and resting measurements have been assessed. Moderate intensity exercise uses energy 3 - 6
times that of resting metabolism, which equates to 3 -6 METs.
C. both biotic and abiotic factors in earth most ecosystems have both abiotic and biotic systems. They actually need both in order to survive.
The correct answer to this question is this one: they lacked oxygen. The earliest organisms were completely heterotrophic in nature because of the reason that they lacked oxygen. <span>A heterotroph is an organism that cannot fix carbon and uses organic carbon for growth. </span>
The best answer to the question 'What are the nonliving components of the environment that shape an ecosystem?' would be letter d. Abiotic factors are those components of the environment that are non-living or does not have life. All the other choices have life.
I am gonna say answer b. Spores
