Answer:
The lens
It helps to focus on objects and light
X-linked recessive disorders are typically common in males than in females as seen in the Royal pedigree.
<h3>What are X-linked recessive disorders?</h3>
X-linked recessive disorders are disorders which occur as a result of a mutation in the X chromosome.
X-linked recessive disorders are typically common in males than in females.
Females can be carriers but males are always affected when the mutation is present.
Learn more about X-linked recessive disorders at: brainly.com/question/27084648
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NAD+ accepts a hydrogen ion (H+) and two electrons (2e−), as it becomes reduced to NADH + H+. The NADH moves to the electron transport chain and donates a pair of electrons (becomes oxidized) to the first compound in the chain.
Explanation:
In photosynthesis, ATP is not needed. However, in aerobic respiration, ATP is required.
B and C are correct - A is incorrect as natural selection affects any generation of species. D is also incorrect as any species population change in an ecosystem inevitably affects another, even if it isn't a predator-prey relationship.