According to the reading, mold growing in your shower is considered a small ecosystem. Ecosystems consist of biotic and abiotic factors. In this example, what are the water and dead skin cells respectively?
1 point
Community, population
Biotic factors, Abiotic factors
Abiotic factors, Biotic factors
Individual, community
All of the above
Abiotic factors, Biotic factors
True/false - Ecology has moved more towards a qualitative science.
1 point
True
False
False
Match the term and the example. (One answer per line)
4 points
Population Ecosystem Organism Community
Bees and flowers living together
Bees drinking water
A single bee flying
All of the bees in a forest
Bees and flowers living together
Bees drinking water
A single bee flying
All of the bees in a forest
Population: All of the bees in a forest
Organism: A single bee flying
Community: Bees and flowers living together
Ecosystem: Bees drinking water
According to the video, what does the ant lion look like?
1 point
Ant with a lion's mane
Ant with large teeth
Less cool dragon fly
All of the above
Ant with large teeth
What happens to the ant population when there is an increase in ant lions?
1 point
Increase
Decrease
Not affect
Common ancestry
Decrease
What is it called when more than one ant lion is trying to trap the same population of ants?
1 point
Community
Competetion
Predation
Homeostasis
All of the above
Competition
True/False - Both consumers and producers compete for resources?
1 point
True
False
True
What example of parasitism does the video show?
1 point
Dogs and flea/hookworms
Mistletoe and tree
Bees and flowers
Human and tapeworms
Dogs and flea/hookworms
Match the term and definition. (One answer per line)
6 points
Mutualism Parasitism Commensalism
One harmed, one not affected
Acacia trees and ants
One barnacle on a whale
One harms, one befitted
Many barnacles on a whale
Both benefited
One harmed, one not affected
Acacia trees and ants
One barnacle on a whale
One harms, one befitted
Many barnacles on a whale
Both benefited
Mutualism: Acacia trees and ants
Parasitism: One harmed, one befitted
Commensalism: One barnacle on a whale (not affected), Many barnacles on a whale (not affected)
Which of the following must consume other organisms to obtain energy?
*
1 point
Phototrophs
Autotrophs
Chemotrophs
Heterotrophs
None of the above
Heterotrophs
What is different about a food chain compared to a food web?
*
1 point
It shows trophic interactions
It is a linear reprensentation
Species can occupy more than one tropic level
The sun is the ultimate source of energy
It is a linear representation
In a food pyramid, how much available energy would the secondary consumers have if the producers have 50,000 kcal/m2/yr?
*
1 point
500,000 kcal/m2/yr
5,000 kcal/m2/yr
500 kcal/m2/yr
25,000 kcal/m2/yr