Download Ms. Hall Environmental Science Study Guide Midterm

NAME________________________________________________________DATE_______________________PD_______
ENVIRONMENTAL SCIENCE MIDTERM TEST REVIEW
PART 1 MULTIPLE CHOICE
WORD BANK – Answers can be used once, more than once, or not at all
1) Abiotic
9) Carnivore
17) Herbivore
25) Population
2) Autotroph
10) Chemosynthesis
18) Heterotroph
26) Primary consumer
3) Bacteria
11) Detritivores
19) Hydrolic (H₂O) cycle
27) Producers
4) Biodiversity
12) Ecosystem
20) Keystone species
28) Respiration
5) Biomass pyramid
13) Energy pyramid
21) Nitrogen cycle
29) Specialists
6) Biome
14) Food chain
22) Observation
30) Secondary consumer
7) Biotic
15) Food web
23) Omnivore
31) Sunlight
8) Carbon cycle
16) Generalist
24) Photosynthesis
32) Tertiary consumer
1) A group of organisms of the same species that live in the same area is a(n) ___________________________________.
2) __________________________________ and _____________________________ account account for much of the
transformation and movement of carbon in the carbon cycle.
3) What level of consumers are herbivores? ______________________________________________________________.
4) The number of species n an ecosystem is referred to as __________________________________________________,
5) Which organisms help convert gaseous nitrogen into ammonia in the nitrogen cycle? __________________________.
6) Which method of research does an ecologist use when he counts weeds to monitor their population?
___________________________________________________________________.
7)What are organisms that feed on dead or decaying matter? _______________________________________________.
8) What are al the biotic and abiotic factors in a given area called? ___________________________________________.
9) Deer, trees, birds and mushrooms are all examples of _____________________________________________ factors.
10) Evaporation, precipitation, condensation and transpiration are the steps of the______________________________
cycle.
11) A pyramid of numbers model shows the number of organisms at each trophic level in a(n)
_____________________________________________________.
12) Which organisms provide most of the energy in an ecosystem? ___________________________________________.
13) Almost all autotrophs get their energy from __________________________________________________________.
14) An organism that has an unusually large effect on an ecosystem is called a_______________________________
______________________________________________________.
15) A major regional or global community of organisms is called a(n) _________________________________________.
16) A group of Key Deer living in the Everglades is an example of a(n) ________________________________________.
17) Which two processes in the carbon cycle are also parts of the Oxygen cycle? ________________________________
and __________________________________________________
18) Which consumers can be either primary or secondary? _________________________________________________.
19) Soil, sunlight and rivers are examples of _______________________________________________ factors.
20) What do all of the organisms that inhabit the Savannah make up? _________________________________________.
21) If a keystone species is removed from an ecosystem, ___________________________________________ and
________________________________ factors can be affected.
23) What are two processes by which autotrophs make food? _______________________________________________
and ______________________________________________________
19) What do the arrows represent? _____________________________________________________________________
__________________________________________________________________________________________________
20) How do food webs show the flow of energy? __________________________________________________________
__________________________________________________________________________________________________
21) List all 9 of the heterotrophs in figure 13.3 1) _____________________________________________
2) _____________________________________________ 3) __________________________________________
4) ____________________________________________ 5) ___________________________________________
6)_____________________________________________ 7) ___________________________________________
8) ________________________________________________ 9) _________________________________________
22) Which 3 organisms in the diagram are specialists? 1) __________________________________________________
2) _______________________________________________ 3) _____________________________________________
23) How do you know? ______________________________________________________________________________
24) What does the sequence oak tree-catepillar-frog represent? ______________________________________________
25) If caterpillars were removed from the ecosystem, which organisms would be affected, and how ?
__________________________________________________________________________________________________
__________________________________________________________________________________________________
26) How would this affect other organisms, like the snakes and hawks? ________________________________________
__________________________________________________________________________________________________
27) What type of pyramid diagram is shown?____________________________________________________________
28) What is the term for the trophic level labeled B in the diagram? ___________________________________________
29) Which trophic level shown in the diagram has the most available energy? ___________________________________
30) How does the energy available at the producer level compare to the energy available at the tertiary level?
______________________________________________________________________________________________
31) How does this type of diagram differ from a biomass pyramid? ___________________________________________
__________________________________________________________________________________________________
32) Why is a pyramid or triangle, like the one shown, often used to represent energy distribution in an ecosystem?
__________________________________________________________________________________________________
_________________________________________________________________________________________________