Observational Studies
What is a controlled experiment?
an experiment in which the observer is able to standardize all but one variable to measurable results
What population did Jane Goodall study?
Chimpanzees in Gombe
What is biotic? What is another word with the root of "bio"
1. consisting of living organisms and products of organisms
2. biology, biosphere, biodiversity
What is an organism?
any living thing
What is the definition of an ecosystem service?
a benefit that humans obtain from the environment
What is an observational study?
an experiment in which the observer collects data over time without interacting with the area of study
What were two benefits of Jane Goodall doing a natural surroundings study?
1. see animals in natural climate (temperatures, weather, etc.)
2. see how animals interact with one another
3. see how animals use unique traits to their benefit in their ecosystem
What does abiotic mean? Provide an example.
1.nonliving.
2. sun, cloud, fire
What is a population?
all the individuals of one kind (one species) in a specified area at one time
Ecosystem services include what four things?
1. provisioning
2. regulating
3. cultural
4. supporting
What is one way to make sure your observational notes are accurate?
1. be consistent with writing the date and time
2. make an observation at least once a day
3. write only observations, no inferences
Write an observation and an inference for Jane regarding chimpanzees and grooming?
Observation: chimpanzees groom each other
Inference: chimpanzees maintain relationships through grooming
What are two characteristics of biotic things?
1. exchange gases
2. reproduce
3. require food and water
4. require energy
5. produce waste
6. grow
7. add stimuli
8. made of cells
What is an ecosystem?
a system of interacting organisms and nonliving factors in a specified area
Which part of the ecosystem services includes providing "supplies that we need"?
provisioning
What are the three types of population studies?
1. in a lab
2. miniature version
3. natural surroundings
What are two ways chimpanzee behavior is similar to human behavior?
1. use of tools
2. family relationships and bonds
3. body functions (diet and reproduction)
List three abiotic things?
1. shade
2. cold water
3. cave
4. clouds
5. sun
What is a community?
all of the interacting populations in a specified area
What are two examples of things we rely on our ecosystem for?
1. food
2. water
3. air
4. shelter/lumber
5.energy
6. recreation
What is an inference? Provide an example.
an explanation or assumption that people make based on their knowledge, experiences, or opinions
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Multiple different biotic things interacting in an ecosystem is what?
a community
What is an observation?
noticing the properties of an object or event with one or more of the five senses (sight, hearing, touch, smell, and taste)
Who benefits from every ecosystem on Earth?
humans