Chapter 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 off target, this is called _____ _____
vapor drift
pg67, par2
Which of these factors does not influence drift?
a. particle size
b. pollution
c. nozzle design and orientation
d. temperature
b. pollution
Which of these additional factors does not influence drift?
a. humidity
b. height of release
c. winds speed and direction
d. reentry interval
d. reentry interval
Why should honeybees be protected?
a. because they are the most important beneficial insect
b. because poisoned bees are more dangerous to people and animals
c. because their work as pollinators is necessary for crop production
c. because 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 dangerous when it is applied at a higher dose than recommended on the label or when it drifts off target true or false?
true
How should you change pressure to reduce liquid droplet drift?
a. reduce pressure to increase droplet size
b. increase pressure to increase droplet size
c. reduce pressure to reduce droplet size
d. increase pressure to reduce droplet size
a. reduce pressure to increase droplet size
What are the possible consequences of pesticide drift onto forage and pastureland or into drinking water?
a. people, pets and livestock can be injured by pesticide exposure
b. pasture grasses could be destroyed
c. milk or meat could have illegal residues if cattle eat contaminated forage
d. water may become too contaminated to drink
e. all of the above
e. all of the above (a. people pets and livestock can be injured by pesticide exposure b. pasture grasses could be destroyed c. milk or meat could have illegal residues if cattle eat contaminated forage d. 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
pg69, par3
Why are aquifers important?
a. because they are the main water supply for manufacturing industries
b. because so many people use water from aquifers for drinking
c. because building an maintaining them provides jobs
b. because so many people use water from aquifers for drinking
What is the name given to the complex predator/prey cycle in which all animals (including man) take part?
a. food chain
b. habitat
c. ecosystem
a. food chain
The best protection against groundwater pollution is?
a. preventing contamination
b. stopping irrigation
c. cleaning groundwater after contamination
a. preventing contamination
