Ecosystems Flashcards
True or false: An omnivore eats only plants
False
Will numbers of lichens tend to increase or decrease if the air quality is very poor?
Decrease
As well as oxygen levels and rainfall, what other non-living indicator can give a good indication of changes in the environment?
temperature
What is the missing word in this sentence? The biomass is greatest at the __________ level of a food chain.
Highest, Bottom, Or Middle
Bottom
What is currently happening to the size of the world’s human population?
Increasing
Quarrying Definition
Extracting (stone or other materials) from a quarry
Quarry Definition
A quarry is a type of open-pit mine
What do we call the position of an organism in a food chain or food web?
Trophic Level
Which pollutant gas binds to haemoglobin and prevents it from carrying oxygen? Answer in words, not symbols.
Carbon Monoxide
True or false? Farming does not harm the environment because the land is left as the countryside.
False
Give an example of a gas thought to contribute to climate change that could be released as a result of deforestation. Give the name, not the formula.
Carbon Dioxide
What effect does deforestation have on the amount of carbon dioxide in the atmosphere (directly or indirectly)?
Increase
What effect do increasing numbers of cattle have on the amount of methane in the atmosphere?
Increase
Besides a thermometer, what other piece of equipment could we use to measure changes in temperature?
temperature sensor
What type of organism present in huge numbers indicates that eutrophication has taken place?
algae or bacteria
