Questions from class/quizzes Test 3 Flashcards
The sum total of all of Earth’s ecosystems is called the:
biosphere.
biome.
population.
habitat
biosphere
At Yellowstone National Park, the elk, deer, wolves, buffalo, willow and aspen trees, squirrels, birds, worms, bugs, wildflowers, mosses and other living species who live there make up the park’s:
community.
biosphere.
ecosystem.
population
community
Which of the following would be considered an ecosystem?
the starfish in a tidal pool
the Everglades swamp
sunflowers in a field
the wolves found in Yellowstone National Park
the Everglades swamp
You are an ecologist studying a group of trout living in the same area of a river. You are working with which level of organization?
biome
individual
community
population
population
Which of the following is true of matter cycles and energy flow on Earth?
VERY IMPORTANT
A) Energy can enter and leave Earth.
B) Energy can only enter but not leave Earth.
C) Matter can enter and leave Earth.
D) Matter cannot enter but can only leave Earth.
A) Energy can enter and leave Earth.
Biomes are specific portions of the biosphere determined by:
A) the diversity of the ecological community that lives there.
B) how many different species live there.
C) climatic factors such as precipitation and temperature.
D) which animals live there
C) climatic factors such as precipitation and temperature.
Which biome has the widest range of temperature?
a tropical rainforest
a tundra
a desert
a savannah
a desert
The process used by producers to convert solar energy into chemical energy is:
cellular respiration.
nitrogen fixation.
photosynthesis.
nitrification.
photosynthesis.
What happens during the process of cellular respiration?
A) nitrogen is converted from atmospheric nitrogen into ammonia
B) ammonia is converted into nitrate
C) energy from the sun is converted into sugar and oxygen
D) sugar molecules are broken down to release energy
D) sugar molecules are broken down to release energy
Which of the following organisms is classified a producer?
rabbits
humans
cows
corn
corn
Most freshwater on Earth is found in
A) groundwater (aquifers).
B) the oceans.
C) glaciers and ice caps.
D) surface waters (rivers and lakes).
C) glaciers and ice caps.
Climate scientists say freshwater in some states may become even more scarce in the future due to
A) increased pollution from an increase in range of bacterial outbreaks and waterborne diseases due to climate change.
B) increased pollution from deposition on snowpack that melts to fill water sources.
C) droughts as a result of climate change.
D) flooding as a result of intense storms due to climate change.
C) droughts as a result of climate change.
The release of water vapor from plants is a major source of atmospheric moisture. This process is called
condensation.
oxidation.
transpiration.
evaporation.
transpiration.
How do aquifers naturally get more water?
A) Water is pumped in from nearby rivers or oceans.
B) Water washes in from rivers and streams.
C) Water fills from the bottom up from deep underground pools.
D) Water enters by soaking into the ground
D) Water enters by soaking into the ground
Which sector uses the most water?
agriculture
municipal
industry
domestic
agriculture
The federal law that protects public drinking water supplies in the U.S. is the
Safe Drinking Water Act.
Water Wars Act.
Clean Water Act.
No Water Pollution Act
Safe Water Drinking Act
What is a disadvantage of ensuring ample water supply by using a dam?
A) Dams provide flood control.
B) Dams can provide recreation.
C) Much water is lost from evaporation.
D) Dams can generate electricity.
C) Much water is lost from evaporation.
Which of the following is an example of indirect use of water?
buying a cotton T-shirt
flushing the toilet
taking a short shower
filling a pot with water to make pasta
buying a cotton t shirt
What is the main cause of ocean acidification?
A) years of waste material that has been dumped into the oceans from large ships
B) the dissolution (dissolving) of sea shells of marine organisms
C) CO2 from the burning of fossil fuels
D) industrial pollution from chemical companies
C) CO2 from the burning of fossil fuels
Which of the following is an effect of ocean acidification?
A) Marine organisms can make thicker shells.
B) There is a buildup of excess calcium carbonate (CaCO3) in ocean water.
C) It is easier for marine shelled organisms to make their shells.
D) It leads to the breakdown of shells.
D) It leads to the breakdown of shells.
The biodiversity found in coral reefs is analogous to the biodiversity of what terrestrial biome?
tundra
tropical rainforest
desert
boreal forest
tropical rainforest
Which zone of the ocean has the least amount of known biodiversity?
the hadal zone
the epipelagic zone
the intertidal zone
the mesopelagic zone
the hadal zone
What is true of corals?
A) Corals rely on a facultative mutualistic relationship.
B) Corals are marine animals.
C) Corals photosynthesize to produce their food.
D) Corals are marine plants.
B) Corals are marine animals.
T/F- Corals rely on a obligate mutualistic relationships to survive
True
If a coral reef becomes bleached, it
A) is entering a new metamorphic stage that allows it to grow larger and colonize new areas.
B) is preparing to reproduce.
C) has lost its resident algae and will die if it cannot take up new algae.
D) is dead.
C) has lost its resident algae and will die if it cannot take up new algae.
Which of the following is not the correct pair of an issue and concern?
A) Mercury bioaccumulation and Minamata Bay Disease.
B) Ocean acidification and coral reefs.
C) Excessive nutrients and algal blooms.
D) Plastics and eutrophication.
D) Plastics and eutrophication.
Which group of Americans experiences a higher rate of food insecurity than the general population?
college students
veterans
people living in rural areas
senior citizens
college students
Which of the following is true of food deserts?
A) Food deserts are often found in low-income areas that lack traditional grocery stores.
B) Food deserts were primarily an issue during the Great Depression, and have decreased since then.
C) Urban areas with public transportation do not have food deserts.
D) As long as any type of food is accessible, the location is not considered a food desert.
A) Food deserts are often found in low-income areas that lack traditional grocery stores.
What is TRUE of malnourishment?
A) It can occur when people get enough calories, but not enough of one or more key nutrients.
B) People who get too many calories cannot be malnourished.
C) It only happens when a person doesn’t get enough calories.
D) Malnourishment is only a problem of food quantity.
A) It can occur when people get enough calories, but not enough of one or more key nutrients.