Room temperature..type of plant..too much sunlight..too much water..or food..thats all i got.
Answer:
<h2>SPACE</h2>
Explanation:
Carrying capacity, or the maximum number of individuals that an environment can sustain over time without destroying or degrading the environment, is determined by a few key factors: food availability, water, and space
Not 100% sure but i think its 2.one or more stocks of fish that can be treated as a unit. to me thats the only one that makes sense.