Key terms
Limits to Growth
Symbiosis
Graphs Graphs Graphs
Notes and Errata
100
This is the definition of predation.
What is one organism eating another?
100
This is a scenario where we would expect to see exponential growth.
What is a habitat with unlimited food and habitat for the organisms starting to grow in population?
100
This is the definition of "symbiosis."
What is a relationship between two organisms in which one organism benefits?
100
This is the kind of growth shown in the graph.
What is exponential growth?
100
In what year was MFS founded?
1951
200
Give an example of competition.
Examples could include: Two organisms trying to eat the same food, multiple individuals competing for a mate, different organisms trying to use the same tree as a nest, etc.
200
This is the number of organisms that can live in an area in total.
What is carrying capacity?
200
This is the definition of mutualism.
What is a relationship in which both organisms benefit?
200
This is the kind of growth shown in the graph.
What is logistic growth?
200
How many students are there in 11/12 this semester?
7: Steven, Nate, Vale, Maite, Genaro, Josué, Kendra
300
This is an organism's role or "job" in an ecosystem, such as what it eats and its habitat.
What is a niche?
300
This is an example of a density-dependent limiting factor.
Examples include: Disease, food availability, habitat availability, competition, predation
300
This is the definition of commensalism.
What is a relationship in which one organism benefits and one is unaffected?
300
The dotted line labeled "M" represents this value.
What is carrying capacity?
300
How many siblings does Jeynor have?
Five siblings
400
This is the definition of population density.
What is the concentration of organisms in a given land area?
400
This is an example of a density-independent limiting factor.
Examples include natural disasters, extreme weather, pollution, and human influence/development
400
This is an example of symbiosis from around Monteverde. Be specific about which type of symbiosis it is.
Some examples...
Parasitism: Strangler fig trees and host trees
Mutualism: Ants and guarumo trees
Commensalism: Epiphytic plants on tree branches
400
This is the population pyramid for Costa Rica. What do you predict about the population growth of Costa Rica based on this graph?
Population growing more slowly; will start shrinking when the bubble moves beyond reproductive age.
400
What instrument did Liza play in high school?
Clarinet
500
List the two reasons a population will increase and the two reasons a population will decrease, in demographic terms.
Increase: Birth rate and immigration
Decrease: Death rate and emigration
500
Draw a storyboard (Do one square per whiteboard if you want!) showing the effect of a density-dependent limiting factor.
Answers will vary.
500
Give an example of each of the three types of symbiosis: parasitism, commensalism, and mutualism.
Answers will vary.
500
Look at this population pyramid for the United Arab Emirates. Create an explanation for one reason it might look this way.
Correct answer: Many laborers immigrate to the UAE to work, and most of the laborers in the region are male.
500
What is Taylor's middle name?
Jacob