Vocabulary #1
Biology is the branch of science that studies:
Life / Living Things
Where is the nearest fire extinguisher located?
At the front of the classroom
A nonliving part of the environment is known as a(n):
Abiotic Factor
What is a negative impact from human overpopulation or population growth?
Potential Answers: overcrowding, deforestation, increased carbon emissions, overfishing, pollution, etc.
When individuals move OUT of an area, the population in that area will decrease due to:
Emigration
In a controlled experiment, the variable that is observed and changes in response to another variable is the...
Dependent Variable
If you are working with data that falls into distinct categories, what type of graph would you choose to represent this data?
Bar Graph
Autotrophs can also be called:
Primary Producers
There are 800 units of energy found at one level of an ecological pyramid. What is the amount of energy that can be passed on to the next trophic level?
80 units (10% Rule)
Each step in a food web or food chain is called a(n):
Trophic Level
A constant set of internal conditions in a living thing is referred to as:
Homeostasis
What are two of the Characteristics of Life?
Any 2: Made of cells, Reproduces, Universal Genetic Code, Undergoes growth & development, Need for materials & energy, Responds to its environment, Maintains homeostasis, Undergoes evolution
The study of interactions among living things, and between living things and their environment is...
Ecology
Place the following terms in order from smallest to largest: Ecosystem, Organism, Biosphere, Community, Population
Organism, Population, Community, Ecosystem, Biosphere
The largest number of individuals of a particular species that an environment can support is its:
Carrying Capacity
A tentative scientific explanation that can be tested by further observation or by experimentation is a(n):
Hypothesis
Place the following terms in order from smallest to largest: Organ, Tissue, Organism, Cell, Organ System
Cell, Tissue, Organ, Organ System, Organism
A reaction that uses energy from sunlight to create energy-rich carbohydrates is:
Photosyntheis
There are 100 elephants found on a 20 km2 plot of land. What is the population density of this population?
100 elephants / 20 km2 =
5 elephants/km2
When the growth of a population slows and then stops after a period of exponential growth, that population has experienced:
Logistic Growth
A tested, highly reliable scientific explanation of events in the natural world that unifies many repeated observations is a(n):
Theory
A teacher wanted to see how listening to different types of music while studying could impact quiz scores. For each of her four classes, she had her students listen to a different genre of music while they studied (classical, country music, pop music, or classic rock). After studying with music for two days, she has her students take the quiz. She then averaged each class's quiz scores to graph and compare. What are the independent and dependent variables?
Independent - Genre of Music
Dependent - Average Quiz Score
Organisms that have to acquire their energy from other organisms are called:
Heterotrophs
Name one density-independent limiting factor and one density-dependent limiting factor for population growth
Independent: fire, flood, extreme weather/temperature, natural disasters
Dependent: overcrowding, competition, disease, parasitism, predation, herbivory
A model or illustration that shows the relative amount of energy or matter contained within each level of an ecosystem is a(n):
Ecological Pyramid