The task
Students were instructed to choose a species that most people would say is gross, frightening, or a pest (such as a slug, snake, mosquito, or cockroach). The species could be from any environment, including the student’s own. Students were asked to prepare a written and pictorial research project of the species that was selected. The student’s report needed to respond to these questions:

  • How does the species function in its ecosystem?
  • Why is it considered a pest?
  • How do humans deal with this pest in their environment?
  • If this species suddenly disappeared how might humans be affected?

The student’s research needed to include collection of a specimen (if possible); a field journal with observations /drawings of the behavior; location, occupation, and morphology of the specimen; visits to museums or nature centers; and use of the Internet or other technologies (magnifiers, microscopes, etc.)

Circumstances of performance
This sample of student work was produced under the following conditions:
alone in a group
in class as homework
with teacher feedback with peer feedback
timed opportunity for revision

The work was submitted as a national competition entry.

This work sample illustrates a standard-setting performance for the following parts of the standards:
f Life Sciences Concepts: Behavior of organisms.
a Scientific Connections and Applications: Big ideas and unifying concepts.
c Scientific Connections and Applications: Health.
d Scientific Tools and Technologies: Acquire information from multiple sources.
a Scientific Communication: Represent data and results in multiple ways.
b Scientific Communication: Argue from evidence.


What the work shows
f Life Sciences Concepts: The student produces evidence that demonstrates understanding of behavior of organisms, such as the nervous system regulation [and] behavioral responses….
The student describes behaviors such as nocturnal activity, thigmotaxis, and reproductive specialization.

a Scientific Connections and Applications: The student produces evidence that demonstrates understanding of big ideas and unifying concepts, such as…form and function…and cause and effect.
The student provides detailed information about structures and functions.
The student makes logical and sophisticated inferences that suggest a causal relationship between increased pesticide use and three diverse factors: the cockroach’s resistance to pesticides, climate conditions, and product marketing.

c Scientific Connections and Applications: The student produces evidence that demonstrates understanding of health, such as disease and epidemiology, personal and environmental safety; and resources, environmental stress and population growth.

The student makes logical inferences about the relationship between increased pesticide use and the cockroach’s resistance to pesticides, climate conditions, and product marketing.
The student names several diseases that roaches carry, such as Salmonella, staph and strep. The student discusses the relationship between cockroach skin molts and the increased incidence of allergic reactions and asthmatic conditions among children who live in poor urban areas.

d Scientific Tools and Technologies: The student acquires information from multiple sources, such as print [and] the Internet….
The bibliography shows that the student used print publications and downloaded information from the Internet.

a Scientific Communication: The student represents data and results in multiple ways, such as numbers, tables, graphs, and drawings….
In addition to the well-reasoned and well-written narrative, the student includes diagrams and a graph.

b Scientific Communication: The student argues from evidence, such as data produced through his or her own experimentation or data produced by others.
The student makes connections between different evidence to hypothesize that chemicals used to kill roaches might do more harm to people and other organisms.
The student indicates how this report has influenced a personal attitude toward the species.