I think it is C, but I could be wrong because I am taking an educated guess.
Answer: By breathing out
Explanation: Breathing in oxygen and breathing out CO2.
(Cows also release CO2 by farting)
Hope this helped!
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Answer:
When nutritional protein is in brief supply, the frame tends to take protein from skeletal muscles to keep more important tissues and frame functions. As a result, lack of protein ends in muscle losing over time. ... Loss of muscle tissues is one of the first signs of inadequate protein intake.
Explanation:
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Answer: D, all are processes that shape Earth's features. I don't know if this was a choice answer but, hope this helps. :)
Explanation:
Answer:
Option A, keystone species
Explanation:
Keystone species are responsible for controlling any species from becoming dominant over all other species. The keystone species are found at the top of all the energy pyramids and food chains.
They control the explosion of population of prey and hence regulate the overall ecological diversity.
Some common example of keystone species is as follows –
Bison, prairie dog, large mammalian predators,
Hence, option A is correct
