temperature, humidity, oxygen, wind, soil composition, day length, elevation
What are some non-living factors of an animal's habitat?
100
Ecology looks at the food chain that links the eater to the eaten
How does ecology look at the food chain?
100
plant eater; cows, cattle, etc.
What is an herbivore? Give examples of them.
100
about 30 meters a year, likely to hasten up
How fast is the Gangotri glacier melting?
200
approximately four pounds
how many pounds of waste does a person throw away every day?
200
plant matter, predators, parasites, competitors, individuals of the same species
What are some living factors of an animal's habitat?
200
It describes the route followed by energy and nutrients as they are passed from organism to organism.
What is a food chain essentially describing?
200
meat eater; vultures, wild cats, etc.
What is a carnivore? give examples.
200
7 million people would be displaced
What would a one meter sea level rise do to people in India?
300
14 billion pounds
How much trash is dumped into the ocean every year?
300
an organism that makes its own food, usually obtains energy from the sunlight
What in an autotroph's environment is giving it energy?
300
The interconnected network of food chains in an ecosystem is called a food web
What is a food web?
300
plant and animal eater; bears, people, etc.
What is an omnivore?
300
fossil fuel - burning
What has contributed to most of the greenhouse gas emissions in the last 20 years?
400
one hundredth of one percent
How much of the earth's water is actually freshwater (drinkable)?
400
a time of decreased metabolism and reduced body temperature that may last weeks or months
What is hibernation?
400
Predators are fewer in number than prey because they are higher up the food chain. Since an organism only passes on part of the energy is receives from the food, with each amount of less energy, each level of the food change supports less organisms than the one before it.
What are there less predators than prey?
400
Feeds on waste and on dead, decaying plants and animals.
What is a decomposer?
400
the 90s, 1998 since 1861
What was warmest decade, and the warmest year on record?
500
average of 84%
How much on average of all household trash can be recycled?
500
The range of an environmental characteristic to which an animal is adapted to
What is an animal's tolerance range for a characteristic?
500
The variety of species in a location. Because of overfishing, it has been greatly lowered in the ocean.
What is biodiversity? Give an example of where it is being lessened.
500
water, nitrogen, carbon
What are the main cycles that the ecosystem depends on?
500
20%
Over the last 25 years, how much has the population of population of ice-dependent penguin species in the Western Antarctic Peninsula decreased?