If food is scarce, it becomes a limiting factor in an ecosystem. This means it restricts the growth, reproduction, and survival of organisms, as they may struggle to find sufficient nutrition. Consequently, this scarcity can lead to population declines and shifts in species interactions within the ecosystem.
limiting factor
it depends what kind of animal it is, but usually yes. sometimes the animal can't even get pregnant because of malnutrition or poor health.
Penguins are not plant eaters, although when food is scarce they may eat algae. Penguin's main foods are fish, squid, and krill (similar to shrimp.)
You should probably ask your vet for advice on that.
A plant is a biotic factor.
Limiting factor
a part of something. "the main factor".
What kind of food overacts
what kind of food does Alabama have
abiotic
composite
Is becomes a verb