Examlex
The large Rhizobium cells that live within plant root nodules are called _______.
Altruism
The principle or practice of concern for the welfare of others, often at the expense of one's self-interest.
Reproductive Success
The extent to which an organism passes its genes to the next generation, often measured by the number of offspring that survive to reproduce.
Lever
A rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other.
Food Pellet
A compressed unit of food, often used in animal feeding, which is designed for easy storage, handling, and consumption.
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