Characteristics of Living Things
What is the acronym used to describe the eight characteristics of life?
HOG RACER
What is the definition of homeostasis?
Maintain an internal balance
What are the five steps of the scientific method?
2. Form hypothesis
3. Test hypothesis
4. Collect data
5. Draw conclusion
To complete an experiment that supports phenomena, what method do you need to use?
Scientific method
Biology is the study of?
Life
Polar bears having thick, warm fur is an example of this?
Adaptation
What type of feedback loop is responsible for childbirth?
Positive
What is a testable "if, then" statement that suggests an explanation for scientific phenomenon?
Hypothesis
Who was the scientist that worked with flies, maggots, and meat?
Francisco Redi
What type of data is expressed with numbers?
Quantitative
In asexual reproduction, how many parent cell(s) are present?
What organelle in cells is responsible for this process?
Plasma/cell membrane
Type of observation that involves looking at the actual behavior or occurence
Direct observation
What variable in an experiment is manipulated by the experimenter?
Independent variable
This type of feedback loop has a set limit (body temp, blood sugar levels)
A response is temporary change in an organism caused by this? (i.e. you shiver when put in a cold room)
stimulus
What is the basic function of a feedback loop?
To regulate a process (i.e. homeostasis)
What type of experiment should be performed when looking at direct observations?
Controlled experiment
Before it was proved that all life comes from living things (biogenesis), what process was accepted by scientists?
Spontaneous generation
When an experiment has been tested many times and supports a hypothesis, it can become this?
Theory
What is the organization of a multicellular organism? (5 answers)
Cells, tissues, organs, organ systems, organism
What is the name of the hormone found in the positive feedback loop of childbirth?
Oxytocin
After recording results, what should scientists do?
Retest experiment to get the same results
What scientist also disproved spontaneous generation with Redi and is known for the pasteurization of milk?
Louis Pasteur
What are the three ways that organisms can regulate homeostasis?