Organisms that eat they producers or that don't make their own food
In our solar system, gas giants are much bigger than terrestrial planets, and they have thick atmospheres full of hydrogen and helium. On Jupiter and Saturn, hydrogen and helium make up most of the planet, while on Uranus and Neptune, the elements make up just the outer envelope.
A chromosome is a Deoxyribonucleic acid molecule with part or all of the genetic material of an organism.
The right option is; carrying capacity
The carrying capacity is the maximum number of organisms that can be supported in a specific area within limited natural resource such as food, habitat, and water. The carrying capacity for any environment is not fixed and it can be influenced by certain factors such as water and food availability, and environmental conditions.