ANSWERS GUARANTEE A+
✔✔fully developed - ✔✔For Projection 2 in Step 5, which resource stage represents
roughly 50% of all resources in 2050?
✔✔rapidly declining fish captures - ✔✔If Projection 1 holds true, choose the most likely
trend for global fish captures over the next 40 years.
✔✔stable or slightly declining fish captures - ✔✔If projection 2 holds true, choose the
most likely trend for global fish captures over the next 40 years.
✔✔producers - ✔✔In an ecosystem, phytoplankton are ____.
✔✔detritivore - ✔✔An earthworm that feeds on the remains of plants and animals is
acting as a ____.
✔✔secondary consumer - ✔✔When a human eats a steak, the human is acting as a
____.
✔✔primary consumer - ✔✔A cow eating grass is an example of a ____.
✔✔tertiary consumer - ✔✔A human who just ate a hamburger is eater by a shark while
swimming. The shark is acting as a ____.
✔✔predation - ✔✔A human eats a deer. Which of these terms applies to the
relationship between the human and the deer?
✔✔competition - ✔✔Humans and sharks both eat fish. Which of these terms applies to
the relationship between the human and the shark?
✔✔mutualism - ✔✔Humans who have pets tend to be healthier than humans who do
not have pets. Which of these terms applies to the relationship between a human and a
pet?
✔✔parasitism - ✔✔Which of these terms applies to the relationship between a dog and
a blood-sucking tick?
✔✔income - ✔✔In the ecosystem energy budget, primary productivity is like ____.
✔✔10-15 - ✔✔A young, growing calf kept in ideal conditions consumes 100 lbs of grain.
As a result, you would expect the calf to put on about ____ lbs of biomass.
, ✔✔Exclude consumers; periodically mow, collect, and weigh the plants; and calculate
plant biomass production pre unit time - ✔✔To measure primary productivity in a
grassland ecosystem, you should ____.
✔✔100 - ✔✔You set up a wildlife park that is designed to simulate African grassland.
You calculate that the park's area will support 1,00 medium-sized grazing herbivores.
You also want to be able to keep a lion population going without supplemental feeding.
What is the approximate maximum population of lions that the herbivores might support,
assuming that each lion's biomass is equivalent to a single herbivore's?
✔✔at most 10 - ✔✔One hundred vegetarian residents of a farming village raise various
crops for their own consumption on a parcel of land. They satisfy all of their food needs
from the land. An investor purchases the land, evicts the farmers, and converts the land
topasture. Assuming that the primary productivity of the pasture grass equals that of the
crops that were previously grown, how many people might be supported on a diet of
beef produced by the ranch?
✔✔bacteria on the surface of your skin - ✔✔Which of these is a biotic component of an
environment?
✔✔anatomical and behavioral - ✔✔Desert owls are inactive during the day and active at
night. They also have small bodies. This describes ____ adaptation to the hot and dry
desert.
✔✔anatomical, behavioral, and physiological - ✔✔Horned lizards are desert animals
that are active during the day, Their skin and kidneys are efficient at conserving water;
when they get hot, they move to the shade so they can cool off. This describes ____
adaptation to the hot and dry desert.
✔✔behavioral and physiological - ✔✔Cacti are desert plants with C4 metabolism. In
addition, cacti bloom at night. This describes ____ adaptation to the hot and dry desert.
✔✔Process of Carbon Release - ✔✔-cellular respiration
-combustion of fossil fuels
-combustion of wood
-microbial decomposition
✔✔Process of Carbon Uptake - ✔✔-photosynthesis
✔✔Carbon Reservoir (storage) - ✔✔-Carbonic acid in oceans
-Living and nonliving biomass
✔✔Density-Dependent and Density-Independent - ✔✔