Restriction of blood flow, something is blocking the blood flow, heart has slowed down and is being pushed to hard.
Explanation:
A population's maximum number of individuals which may be supported by an environment or habitat. This occurs after the available resources have been exploited beyond their limit- i.e. the resources have been depleted at a faster rate than they have been renewed. At this stage, the population significantly decreases in size as some individuals die off due to scarcity and competition.
Learn more about abiotic and biotic factors at brainly.com/question/11015328 and brainly.com/question/1542938
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Color is the least reliable
Answer: independent variable
Explanation: