Fill in the blank in each of
the following statements using the most appropriate term.Choose from the list
found at the bottom of the page.
1.In the Lotka-Volterra equations,
an increase in the prey population leads to an increase in the predator
population.The predator population is therefore showing a _____________
response to the increase in prey population.
2.In the work of Holling,
however, an increase in the prey population is though to produce an increase in
the per capita predation rate.The predator is therefore showing a _____________
response to the increase in
prey population.
3.When a deer browses on the
leaves of a shrub, the activity is called ________________.
4.When a woodpecker attacks
and eats a caterpillar, the activity is called ______________.
5.A wasp which stings a
beetle larva and lays an egg on it is an example of a ___________.
6.Birds find the pipevine
swallowtail butterfly to be distaseful while the black swallowtail is quite
palatable.The latter butterfly has evolved to look very similar in appearance
to the pipvine swallowtail.This is an example of _______________.
7.A method of hunting which
requires the least amount of energy is _____________.
8.An insect which looks
exactly like the thorns on a rosebush is an example of ___________.
9.A tick is an example of
an__________________.
10.The legume-Rhizobium
interaction is an example of __________________.
1.Ambush
2.Cryptic coloration
3.Ectoparasite
4.Functional
5.Herbivory
6.Mutualism
7.Mimicry
8.Numerical
9.Parasitoid
10. Predation
1.The total amount of living material
(biomass) present at a given point in time is referred to as the
___________________________.
2.The
_______________________________ of an ecosystem is the gross primary production
minus energy lost due to respiration.
3.Within a trophic level,
assimilation efficiency equals:
4.An animal ingests 10,000
kcal of food.If the assimilation efficiency is 50% and the amount of energy
lost to respiration is 80% of the energy assimilated, what is the net
production of energy from that 10,000 kcal?
5.What is an example of a
sedimentary nutrient cycle?
6.
Which of the following is not an important consideration in the design
of wildlife preserves if the objective is to maximize species richness?
a)
the preserve should be more or less round rather than long and linear;
b)
there should be corridors or stepping stone preserves between major preserves;
c) some of the preserves must be
large enough to support minimum viable populations of the top trophic level
species;
d)
the preserve should minimize the number of habitats within its boundaries.
7. What are the two components of species
diversity?