Question

dissolved oxygen
water temperature
al for aquatic life, as most creatures need it to breathe in
of dissolved oxygen vary depending on the species. for
need around 10 parts per 1,000,000 or more. some fish,
ot no dissolved oxygen by breathing air. there are factors
of dissolved oxygen in the water including water
ment, and aquatic life.
ffects dissolved oxygen. higher temperatures lead to less
ater. fish move to find suitable dissolved oxygen levels,
cooler waters during hot seasons. fishermen use thesedvantage, monitoring temperature shifts to locate fish.
which of the following is a factor that affects the amount
of dissolved oxygen in water?
the water’s temperature
the number of predators
the ph level of the water
the water’s color

Explanation:

The left text states that factors affecting dissolved oxygen in water include water temperature (and others). The option "the water’s temperature" matches this information. Other options (number of predators, pH level, water’s color) are not mentioned as factors in the provided text.

Answer:

A. the water’s temperature