The correct answer is **hybrid**.

### Explanation
The introduction of hybrid crop varieties was a significant factor in the dramatic increase in crop yields in the United States, particularly during the Green Revolution in the mid-20th century. Hybridization involves crossbreeding two different strains of plants to create offspring that exhibit desirable traits from both parents. This process enhances traits such as disease resistance, drought tolerance, and overall yield potential.

Hybrid crops often exhibit what is known as "hybrid vigor" or heterosis, whereby the offspring outperform both parent varieties in growth, yield, and resilience. This advancement in agricultural technology allowed farmers to produce larger quantities of food efficiently, which was vital for meeting the demands of a growing population.

In contrast, "organic" and "alternative" crops do not typically provide the same immediate yield increases attributed to hybridization and are often associated with different agricultural practices focused on sustainability rather than maximized yield. Thus, hybrid varieties are credited for the significant improvements in agricultural productivity observed in the U.S. during this time period.

Question

The correct answer is **hybrid**.

### Explanation
The introduction of hybrid crop varieties was a significant factor in the dramatic increase in crop yields in the United States, particularly during the Green Revolution in the mid-20th century. Hybridization involves crossbreeding two different strains of plants to create offspring that exhibit desirable traits from both parents. This process enhances traits such as disease resistance, drought tolerance, and overall yield potential.

Hybrid crops often exhibit what is known as "hybrid vigor" or heterosis, whereby the offspring outperform both parent varieties in growth, yield, and resilience. This advancement in agricultural technology allowed farmers to produce larger quantities of food efficiently, which was vital for meeting the demands of a growing population.

In contrast, "organic" and "alternative" crops do not typically provide the same immediate yield increases attributed to hybridization and are often associated with different agricultural practices focused on sustainability rather than maximized yield. Thus, hybrid varieties are credited for the significant improvements in agricultural productivity observed in the U.S. during this time period.

Knowee AI · Accepted Answer

The correct answer is **hybrid**.

### Explanation
The introduction of hybrid crop varieties was a significant factor in the dramatic increase in crop yields in the United States, particularly during the Green Revolution in the mid-20th century. Hybridization involves crossbreeding two different strains of plants to create offspring that exhibit desirable traits from both parents. This process enhances traits such as disease resistance, drought tolerance, and overall yield potential.

Hybrid crops often exhibit what is known as "hybrid vigor" or heterosis, whereby the offspring outperform both parent varieties in growth, yield, and resilience. This advancement in agricultural technology allowed farmers to produce larger quantities of food efficiently, which was vital for meeting the demands of a growing population.

In contrast, "organic" and "alternative" crops do not typically provide the same immediate yield increases attributed to hybridization and are often associated with different agricultural practices focused on sustainability rather than maximized yield. Thus, hybrid varieties are credited for the significant improvements in agricultural productivity observed in the U.S. during this time period.

Crop yields increased dramatically in the United States after Blank______ crop varieties were introduced.Multiple choice question.organichybridalternative

Question

Crop yields increased dramatically in the United States after Blank______ crop varieties were introduced.

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Explanation

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