Ecology Flashcards
Name three ways of carbon offsetting
- Capturing methane from landfills 2. Wind farms 3. Preserving carbon sequestring trees
Human induced carbon emissions through aviation
2%
What is the advantage of biofuels over fossil fuels
Biofuels burn more cleanly than fossil fuel
Biofuels can be obtained from
Sugarcane Algae Household garbage
Sea water absorbs carbon dioxide and also releases carbon dioxide, is this true
Yes
What contains more carbon dioxide, seawater or air
Seawater contains 70 times more carbon dioxide than air
What is LTBT that was signed in 1963
Limited test ban treaty
What does LTBT state
All nuclear tests to be done underground
Another name for radioactive fallout is
Ashes of death
Which ocean releases twice as much carbon dioxide as it absorbs
Pacific Ocean
The sex of the sea turtles is determined by the temperature of the sand where the eggs gestate, is this true
Yes
Warmer sands produce what sex of turtles
Females
The hungry leatherbacks mistake plastic for what
Jellyfish
The HAWKSBILL are mainly slaughtered for what
Fiery red and golden carapace
Name some varieties of sea turtles
Kemp Ridley Olive Ridley Leatherbacks Loggerheads Flat backs Green sea turtles Hawksbill
How many species of giraffes have been proven to exist with the help of genetic studies
Four
The estimated population of giraffes now in the wild are
110,000
Out of 189 countries on the UN,s Human development index, the country that ranks last is
Niger
The countries human development index is based on
Life expectancy Schooling National income
The science of animal behaviour is
Ethology
The bony knobs on a giraffes head are known as
Ossicones
The giraffes closest living relative is
Okapi
In which country does the okapi live
In the rain forests of the democratic republic of Congo
Giraffes are known as natural topiarists, why.
Because they eat the acacia in an hourglass profile
Name two important characteristics of a giraffe
- Long neck 2. It’s eerie silence
What is a fission-fusion society
Where groups of individuals get together for a period of time before dissolving
Name some animals which have a fission-fusion society
- Giraffes 2. Elephants 3. Chimpanzees
The giraffes heart weighs about
11 kgs
The three step approach to reducing carbon footprint
Plan A..cut emissions Plan B .Geoengineering Plan C..carbon sequestering
What geo engineering can be done to prevent global warming
Pumping sulphurl into the stratosphere to cool the earth
Give some methods for carbon sequestering
- Bio char formation 2. Altered regimes of agricultural grazing and burning of Savannah 3. Seaweed farming
The brain is good at extracting patterns from the environment and assigning meaning to them, is this true
Yes
