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OleMash [197]
2 years ago
15

when people excersize their body cells build up more waste quickly which two body system work together to remove these wastes fr

om there cells
Biology
1 answer:
Alona [7]2 years ago
3 0
I think the respiratory system and circulatory system
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<h3>Who was Johannsen?</h3>

noting that selection was only effective when based on genetic (genotype) rather than environmental (phenotype) differences.

With this information, we can conclude that Although Mendel conducted his experiments with pea plants in the mid-1800s, it was not until 1909 that Johannsen became the first person to describe Mendel's individual units of heredity. He called them genes.

Learn more about Johannsen in brainly.com/question/13256075

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