Answer:
Option A
Explanation:
The answer is option A or "producing glucose." Glucose is a sugar that is a main component for all living organisms because it contains carbohydrates. When oxygen is being released from a plant it means that it's producing glucose which is released through the plants stomata.
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Response would be correct, as in response to environment.
Answer:
Graptolites lived from the Cambrian Period, about 510 million years ago, disappearing in the Carboniferous Period, around 320 million years ago.
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What you meant must be the adaptive advantage of the frogs' lungs. Frogs are considered as amphibians wherein the have this unique ability to reside either on land or in water. Their specialised lungs could be responsible to these which makes them capable of breathing oxygen in water and land.
