<span>The answer is to control the crossing of the traits.
The idea of preventing plants from self-pollinating is to control the crossing of the traits. If plants were self-pollinating, he could not know if the traits are inherited from the same plant or from the other. By preventing this, he could cross parents with known phenotype and that way learn about crossing process and inheriting process.</span>
Explanation:
The lion (Panthera leo) is a large cat of the genus Panthera native to Africa and India.
Sonar testing has caused whales to die in mass amounts.
Answer:
A decomposer is found at the end of a food chain.
