What can have a negative impact on a species' population size?
cigarettes Pesticides steroids humans weather flooding Smoking viruses
A B C D E F G H
Hot weather can cause harmful bacterial growth in feeders.
weather can have a negative impact on a species' population size
What can have a negative impact on a species' population size? (A) cigarettes (B) Pesticides (C) steroids (D) humans (E) weather (F) flooding (G) Smoking (H) viruses