Download Living Systems and the Environment

Name______________________KEY___ Period___
Cell, Classification & Environment Test REVIEW KEY
Levels of Organization in an Environment:
Write the definitions for each level of The Environment below (#1-5):
1. Organism: Any living thing that can grow, develop, & reproduce.
2. Population: All the same type of organisms that live in the same environment.
3. Community: A group of different organisms sharing an environment.
4. Ecosystem: All biotic factors & abiotic factors interacting in their environment.
5. Biosphere: All of the ecosystems on earth.
6. At what level of organization, in an ecosystem, is an individual alligator?
__orgainism_
7. What makes up a population in an ecosystem?
Members of the same species
8. A community differs from a population, because
__ communities contains several populations _
9. What would best describe a lion’s niche?
__ It’s role as a predator in an ecosystem _
10. List all the levels of organization that are within an ecosystem?
___ organism, population, community___
11. A consumer (a buzzard) that eats dead organisms is known as a(n)...
A. Scavenger
B. Decomposer
C. Herbivore
D. Omnivore
12. Wolves live in packs, which organizational level of the ecosystem
does this represent? ___________ Population _______________
13.
Which statement best describes a deer’s niche?
A. Nocturnal carnivore
B. Herbivore and prey species
C. Omnivore and predator species
D. High population density
Biotic & Abiotic Factors in the Environment:
14. In the diagram of an aquarium setup above, which letters indicate
abiotic factors?_______A, D,and E____________
15. List four abiotic factors or resources in an ecosystem:
1. ____ Sun _____
3. __ water ____
2. ___ rocks _____
4. ___ air ____
16. Write an example of a biotic factor in the environment that is affecting an
abiotic factor in the same environment:
__Trees affect the temperature (they produce oxygen & shade)_____
17.
If a student plans to study how organisms interact with abiotic and biotic
factors. Which level of organization will the student focus on? _ecosystem__
18. Biotic factors rely on: __abiotic___
factors for water, shelter and light.
19. Write an example of an organism responding to its living (biotic) environment:
______ A cat defending its living area from other cats.________
Characteristics of Life, Cells, Classification:
20. Taxonomy is the science of identifying, classifying & naming living things
based on their __shared___ characteristics.
21. An organism is a multicellular autotroph. Its cells have a nucleus and cell walls.
What can you conclude about the classification of this organism?
A. It is a plant
C. It is a eubacteria
B. It is an animal
D. It is an archaebacteria
22. All animals are_______ (circle one):
autotrophs or heterotrophs
23.
The smallest structure of all living things that carries on function to
sustain life is a(n) _cell__
24.
Kingdom Plantae is part of which Domain? _ Eukarya ___
25.
If you observe several cells without a nucleus under the microscope, you are
probably observing ______________
A. eukaryotic cells
B. prokaryotic cells
C. animal cells
D. plant cells
26.
27.
In what kingdom do the organisms shown in group C belong? __Protista___
Which of the following is a characteristic of organisms belonging to
Kingdom Animalia?
A.
B.
C.
D.
28.
They are autotrophs
They are unicellular
They do not have organelles (cell parts)
They do not have cell walls
Which of the following things is common to all living organisms?
A. The all have cells surrounded by cell walls
B. They all have the same kinds of structures inside each of their cells
C. They are composed of cells
D. They all have cells that are specialized for many different types of functions