Same species in the same general area (ex: zebras in grassland)
100
What does community ecology refer to?
All interacting organisms inhabiting a specific area (ex: swamp-frogs, grass, fish, insects)
100
Energy flowing through the ecosystem in one direction is known as a...
Open system (light-->chemical energy--> heat)
100
Is global warming happening (as believed by scientists)?
Yes
100
Which of the following terms includes all of the others?
biodiversity
200
This is an example of what dispersion pattern?
clumped
200
If a bird eats an insect that ate a plant, the bird would be considered a ____.
Secondary consumer
200
How much energy is available for the next trophic level?
10%
200
Which of the following would NOT be an expected result of global warming?
a) Shifting species' ranges
b) Acid rain
c) Sea level rise
d) Less reflectance of sunlight back towards space
B
200
What is an example of primary succession
A fairly new volcanic island
300
What normally limits exponential growth?
environmental factors
300
2 whales competing for the same food, in which both are negatively affected is an example of...
Competition
300
____enters and leaves the global ecosystem while ___ are cycled within the global ecosystem itself.
energy...chemicals
300
Carbon dioxide is called a greenhouse gas because
Transparent to sunlight but traps heat (global warming)
300
Blue-footed boobies are a sea bird that have webbed feet and are comically clumsy when they walk on land. Evolutionary scientists view these feet as
the outcome of a tradeoff: webbed feet perform poorly on land, but are very helpful in diving for food.
400
Give an example of a k-related and r-related species?
k-related: elephant
r-related: insect
400
What is the order of tropic levels (to the tertiary consumer)?
Carbon is introduced into the atmosphere by all of the following EXCEPT
a) gases escaping from plant respiration
b) animals breathing
c) decomposition of dead organisms
d) wind erosion
d) wind erosion
400
K, in population growth equations, refers to
Carrying capacity
500
What type of population growth is exhibited by the population in the following figure?
Logistical
500
Elephants are not the most common species in African grasslands. The grasslands contain scattered woody plants, but they are kept in check by the uprooting activities of the elephants. Take away the elephants, and the grasslands convert to forests or to shrub lands. The newly growing forests support fewer species than the previous grasslands. Elephants can be defined as what type of species in this community?
A keystone species
500
Where is most energy lost between trophic levels?
Indigestible biomass, cellular respiration and heat loss
500
The figure above shows a simplified representation of the carbon cycle. Which arrow shows CO2 released as a product of cellular respiration?
C
500
In the included figure, which of the following survivorship curves implies that an animal may lay thousands of eggs, of which only a few will survive to reproduce?