Chpt. 6 Ecology and Environmental Protection Flashcards
Sometimes even small environmental changes can greatly reduce the chances of survival for fish and wildlife.
True or False
True
When a pesticide evaporates and moves of target, this is called ___ ___.
Vapor drift
What is a factor that does NOT influence drift?
Pollution
What additional factor does NOT influence drift?
Reentry interval
Why should honey bees be protected?
Their work as pollinators is necessary for crop production.
Pesticide residues can build up in the bodies of animals, including man.
True or False
True
Only pesticides that are applied incorrectly are likely to move downward with rain or irrigation water into the water table below.
True or False
False
A pesticide becomes a pollutant and potentially dangers when it is applied at a higher dose than recommended on the label or when ti drifts off target.
True or False
True
How should you change pressure to reduce liquid droplet drift?
Reduce pressure to increase droplet size
What are the possible consequences of pesticide drift onto forage and pastureland or into drinking water?
People, pets and livestock can be injured by pesticide exposure.
Pasture grasses could be destroyed.
Milk or meat could have illegal residues if cattle east contaminated forage.
Water may become too contaminated to drink.
Pesticide pollution can help a pest you are trying to destroy by killing predators and parasites of the pest.
True or False
True
An ___ is a geologic formation of permeable rock, sand or gravel that stores large amounts of water.
Aquifer
Why are aquifers so important?
Because so many people use water from aquifers for drinking
What is the name given to the complex prey/predator cycle in which all animals take part?
Food chain
The best protection against groundwater pollution is ___.
Preventing contamination
