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Envirothon Current Events 2020
Terms in this set (63)
____________ are North America's largest salamander.
Hellbenders are an ambush predator and are most likely to be an indicator of _______ _________ water.
Hellbenders are sometimes called _______ ________ because of the thick layer of mucus that covers their loose, muddy skin.
Hellbenders can weigh over ______ pounds, and live up to ________ years.
Three pounds; Thirty years
__________ are listed as a species of concern by the NC Wildlife Action Plan.
Hellbenders are _________ creatures and leave their nests to hunt at night.
___________________ spend their days under large rocks, logs, or holes in bedrock.
Hellbenders breathe through their ______, which is why they indicate water quality.
__________ are a diverse group of amphibians.
The hellbender is a very large salamander with a _______ body shape and _________ folds of skin on its sides.
Hellbenders are typically ________ to __________ in coloration.
Hellbenders eat _________, _________ ____________, _______ _________, and _____________.
crayfish, aquatic invertebrates, small fish, and salamanders.
Female hellbenders can deposit between _____ to _____ eggs during the fall.
200 to 400
State listed species are separated into three categories: ____________________; ___________________________; _________________________.
North Carolina Endangered; North Carolina Threatened:; and North Carolina Special Concern.
Define: NC Endangered
Native species whose existence is thought to be in jeopardy.
Define: NC Threatened
Native species that is likely to become endangered in the near future.
Define: NC Special Concern
Native species that require monitoring but may be taken under certain regulations.
The majority of perching birds came from ______________.
Perching birds are called _______________, and they make up more than 60% of all birds.
__________________ are distinguished by the arrangement of their toes (three pointing forward and one back).
There are ____ families of perching birds.
Cardinals, warblers, jays, and sparrows are all ____________ birds.
Dragonflies were some of the first winged insects to evolve about __________________ years ago.
Modern dragonflies have wingspans of __ to __ inches.
Fossil dragonflies have been found with wingspans of up to _______________.
Scientists theorize that higher _________ levels in the prehistoric era allowed dragonflies to grow to monster sizes.
There are more than ________ species of dragonflies.
Dragonflies belong to the order __________ which means __________ _________.
"Odonata"; "toothed one"
How long can a dragonfly remain in its larval stage?
Dragonflies only eat what they catch while __________________.
The ______ __________ has the longest migration of any insect, 11,000 miles back and forth.
A single dragonfly can eat anywhere from ___ to ______ mosquitoes per day.
30 to hundreds
How many different species of dragonflies will gather in a swarm to feed or migrate?
Most single use cups are lined with a fine film made of _____________________.
Too many _______________ products in a batch of recyclables can cause the batch to become impure.
China will reject shipments of recycling that are more than _________________ impure.
Since China banned used plastics, many municipalities in the US no longer accept plastics numbered _______ through ________.
3 through 7
__________ ______________ can contaminate correctly labelled plastics.
Plastic bags are notorious for dissolving into _______ and killing wildlife.
___________ are made from more than one type of plastic.
Some cities or states have moved to _______, ________ or _________ the use of plastic bags.
tax, limit, or ban
Las Vegas built a pipeline to Lake Mead to support a projected population of ___________ people.
What can create a false sense of abundance where the natural water availability does not fit the population its hosting?
In the US the EPA estimates that Americans can use _________ less water by installing water efficient fixtures and appliances.
Leaks in US households lose ___________________ gallons of water annually.
The Los Angeles Department of Water and Power captures about ___________ acre-feet of stormwater per year.
In 2009 California reused about _________ million acre-feet of recycled water: ______ of the wastewater generated.
0.7 million; 13%
A 2014 analysis by the Pacific Institute estimated that California had at least an additional _____ to ______ million acre-feet more potential.
1.2 to 1.8 million
Globally, annual water demand has continued to rise from ________ cubic kilometers in 1980, to ________ cubic kilometers in 2010.
650 to 1,000
From 1971 to 2010, _______ of the global population gained water from human intervention, but ________ were left with less water.
20% ; 24%
Who are the three major leaders in water reuse?
California, Arizona, and Singapore
About 70% of freshwater used by humans globally goes to ___________________________.
A 2015 study found that nearly half of agricultural irrigation does not ___________________________.
Does not benefit crops
In 1969, the _____________ River caught fire in Cleveland, Ohio.
The burning of the Cuyahoga River provoked Congress to pass the ______________________________.
Clean Water Act
The Cuyahoga River first caught fire in __________.
The Cuyahoga River burned in _______, ________, ________, ________, _______, and _________.
1868, 1912, 1936, 1948, 1952, and 1969.
Major aquifers in North Carolina are the _____________________.
Lower Cape Fear, Upper Cape Fear, Black Creek, Peedee, Castle Hayne, Yorktown, Surficial, and the Bedrock aquifer.
Minor aquifers in North Carolina include the ______________________.
Lower Cretaceous, and the Pungo River
Aquifers are __________________ connected materials that provide water through a properly constructed well open to those materials.
Carbon-14 dating of water in the Black Creek and the Upper Cape Fear shows that its water is between __________________ years old.
400 to 26,000 years old
Which city established a public water supply in 1652?
What did FDR pass in order to enact a number of natural resource measures?
The New Deal
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