yes
Fitness is a term that is used to measure the ability to survive and produce the most offspring.
th ability to survive and produce fertile offspring
Natural selection
more offspring are produced than will survive
some eggs are eaten or babies dont survive
Overproduction
Food, water, space, and other tigers to reproduce with to produce offspring.
The answer of that qeustion is natural selection of which animals produce offspring.
To ensure that at least a few offspring will survive to become adults
survive exposure to penicillin
There are more than 0 humans, so yes we produce more offspring than needed to survive, however humans aren't often hunted or killed by other species so it would be difficult not do. Usually animals have many more offspring than humans do, but they are also part of the natural food chain, so that is needed to survive.
environment changes determine which animals survive