Quiz (Module 4)

1 / 1 pts

Professional athletes can gain a competitive advantage by living at altitudes over ______________ .





2400 meters



5284 feet



2400 feet



Question 2

1 / 1 pts

Barnacle penis length and width is able to change based on the environment that the barnacle is present in. This is referred to as: ______________________


Genotypic Plasticity



Sexual Competition



Precise Proportions



Phenotypic Plasticity



Question 3

1 / 1 pts

The bird previously known for having the longest migration, before scientists established that its travel distance was beneath that of the arctic tern, tops out at a ______________________ trip.


1,500 miles



52,000 mile



40,000 mile



20,000 mile



Question 4

1 / 1 pts

What is perhaps the most important variable in determining a regions climate?


The Sun






The Moon






Question 5

1 / 1 pts

The stratosphere acts like a _______________ causing the warm air to spread out and separate, which ultimately forms the arid climate in deserts.














Question 6

1 / 1 pts

The landscape around Mount Saint Helens was initially dominated by flowering lupin plants, but these were creating new soil that was an appropriate habitat for the Sitka Willow. If this is the case, why was the willows’ growth still stunted?


The soil is still too acidic



A native species of weevil






An invasive species of weevil



Question 7

1 / 1 pts

As the overall climate of the planet continues to increase, many organisms’ ranges are changing. One example is that of mountains, where organisms that can move ____________________ the mountain, whereas others ____________ their habitable zone.


farther up; lose



farther down; gain



farther up; gain



farther down; lose



Question 8

1 / 1 pts

The yields of two crucial crops _______________ and ______________ are decreasing due to the changes in global climate.


wheat; soybeans



wheat; corn



soybeans; corn



soybeans; potatos



Question 9

1 / 1 pts

Asian carp were imported to America to clean catfish breeding ponds, but they escaped into the Mississippi River. Now there is only a(n) _________________________ keeping the Asian carp from invading the Great Lakes outside of Chicago.


group of zealous fisherman



species of predatory birds



series of electric barriers



electric eel population



IncorrectQuestion 10

0 / 1 pts

Because of tropical deforestation alone what is the approximate number of species lost per year?

(According to Tony Juniper who is an environmentalist. Fun fact, the number he cites isn’t really reflective of reality. Always google the “experts”!)














IncorrectQuestion 11

0 / 1 pts

Edward Ngai appreciates nature and natural biodiversity because of its ____________ properties.











No answer text provided.



Question 12

1 / 1 pts

A food chain starts with a(n) _____________





primary energy source



energy source






Question 13

1 / 1 pts

Only _______ of energy from trophic level 1 makes it to trophic level 2.














Question 14

1 / 1 pts

The branch of science that studies molecules containing carbon is called:


Inorganic Chemistry






Organic Chemistry






Question 15

1 / 1 pts

Nitrogen gas from the atmosphere needs to be “fixed” by __________ so that plants can use the nitrogen.


No answer text provided.












Question 16

1 / 1 pts

Back in the ’30’s the US Government paid farmers to plant kudzu to prevent _____________








the spread of Asian carp



root rot



Question 17

1 / 1 pts

David Lodge a biologist at the University of Notre Dame argues that the key to fighting invasive species is ____________


importing predators



increasing arrests of people releasing invasives






targeted hunting and fishing laws



Question 18

1 / 1 pts

Coral reefs and oysters are dying because of what change in ocean conditions tied to climate change?


Methane emissions



Increased Acidity



Decreased Acidity



Invasive Species



Question 19

1 / 1 pts

Because plants are not all equally effective at sequestering carbon dioxide, some plants will grow greater biomass than others at a higher rate. This response to a global increase of CO2 could lead to what?





plants will become more acidic



an increase in the number of plant species



a loss of biodiversity



Question 20

1 / 1 pts

When light energy from the sun hits the surface of the earth it takes on an extended wavelength known as infrared. Infrared could also be called:


heat energy






ultraviolet waves



actinic emissions



Question 21

1 / 1 pts

Because the earth’s axis is tilted we experience seasonal variation. When a hemisphere is closest to the sun we call that:











a period of cooling



Question 22

1 / 1 pts

Areas north of the arctic circle are referred to as being in the:


middle latitudes



high latitudes









Question 23

1 / 1 pts

Climactic regions are determined by ______________ and _________________.


temperature; precipitation



precipitation; gulf stream



sun exposure; precipitation



temperature; migration



Question 24

1 / 1 pts

At higher altitudes there is less _____________ available, so our bodies respond by producing more _______________


carbon dioxide; red blood cells



carbon dioxide; muscle mass



oxygen; red blood cells



oxygen; muscle mass



Question 25

1 / 1 pts

When Mount Saint Helen’s erupted how far did the damage reach?


2 miles



100 feet



13 miles







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