Course
Introductory Biology
Study Pack
Set 55 Ecosystems And The Biosphere
Question 1
(Multiple Choice)
Free
Which statement reflects a key concept about ecosystems?
A) Matter moves linearly through different systems, both abiotic and biotic, within an ecosystem.
B) There is a one-way flow of energy through the food webs of ecosystems.
C) Conservation should focus on the success and survival of individual species.
D) The abiotic environment does not influence the distribution and survival of particular organisms.
E) Heat energy can be used by organisms for their daily activities.
Answer
Question 2
(Multiple Choice)
Free
Figure 55-1
The accompanying figure represents a
The accompanying figure represents a
A) fairly simple food web.
B) fairly simple food chain.
C) pyramid of biomass.
D) pyramid of energy.
E) pyramid of numbers.
Answer
Question 3
(Multiple Choice)
Free
Figure 55-2
The accompanying figure is a good illustration of
The accompanying figure is a good illustration of
A) bioconcentration.
B) biological magnification.
C) persistence.
D) narrow-spectrum botanicals.
E) the pesticide treadmill.
Answer