How Did Anton Van Leeuwenhoek Contribute to Our Understanding of the Cellular

question 54

Multiple Choice

How did Anton van Leeuwenhoek contribute to our understanding of the cellular basis of reproduction?

• A) He first observed sperm cells in semen and found them in animals who had recently mated.
• B) He first observed bacteria reproducing in saliva.
• C) He first observed protozoa reproducing in pond water.
• D) He combined sperm and egg cells and observed that they fused.
• E) He invented the tools to allow us to see sperm and egg cells.

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Definitions:

Protective Factors

Attributes or conditions in individuals, families, communities, or the larger society that mitigate or eliminate risk and help people deal with stressful events effectively.

Adverse Circumstances

Situations or conditions that unfavorably affect one's well-being, success, or survival.

Poor Outcomes

Unfavorable results or consequences in any situation, often linked to health, education, or social circumstances.

Resilience

The capacity to recover quickly from difficulties; toughness or the ability to bounce back from stress or adversity.