Population and Resources
Vocabulary
Population and Resources 2
Short Response
Ecosystems
100
Over 50 years, the size of a tiger population increased. What best explains the increase in the size of the tiger population?
A lot of tigers were born and none of them died
Fewer tigers were born than died.
More tigers were born than died.
4. More tigers were born than died.
100
A molecule that organisms can use to release the energy they need to survive
Energy Storage Molecule
100
What is a consumer population?
The population that is eating another population for energy storage molecules.
100
There has been a sudden decrease in the amount of zooplankton in the food web. What impact would this have on both the moon jelly and walleye pollock?
less zooplankton pop. = less ESM available for Moon jelly & walleye pollock = less reproduction = less births than deaths = decrease in population.
100
What are the three interactions to keep an ecosystem sustainable?
Competition, symbiosis and predation
200
A large population of ducks live in an area with a lake. In the last 40 years, the size of the duck population stayed the same. What must be true about the duck population during the last 40 years?
The number of ducks that were born were the same as the number of ducks that died.
No ducks were born and no ducks died.
Humans started protecting the duck population so they stopped dying.
The ducks did not have any baby ducks during these years.
1. The number of ducks that were born were the same as the number of ducks that died.
200
What is an ecologist?
a scientist who studies the interactions of organisms with each other and their environment
200
What is a consumer population? What do they do?
The population that is eating another population for energy storage molecules.
200
Explain what the arrow means in the food web below.
Arrow shows where the energy is going
(____ gives energy to _____)
200
What are the three symbiosis relationships?
Mutualism, Commensalism, Parasitism
300
A population of mice lives in the northeastern United States. Over the last 50 years, the size of the mouse population decreased. What best explains the decrease in the size of the mouse population?
Fewer mice were born than died
A lot of mice died and no new mice were born.
More mice were born than died.
1. Fewer mice were born than died
300
Why do we need predation in an ecosystem?
Predation provides nutrients for the predators, and helps to keep prey populations from growing too large
300
Why do organisms need Energy storage molecules? Give an example of something we have read or seen in Ms. Morales's class
Organisms need energy storage molecules to reproduce and for energy to do things like fight, breathe and do anything we do!)
Elephant seals, caribou, salmon, penguins and etc
300
Analyze the food web and answer the following question: What change can you make to the food web that will cause the stingwing population to increase?
Answers will vary
300
Give an example of a Mutualistic relationship.
Answers will vary
400
A population of bluefish lives in the Gulf of Mexico. Over the last 50 years, the size of the bluefish population has decreased. What best explains the decrease in the size of the bluefish population?
A lot of bluefish died and no new bluefish were born.
More bluefish were born than died.
Fewer bluefish were born than died.
3. Fewer bluefish were born than died.
400
When two or more populations use the same resource, such as the same food source
Competition
400
True or false: Organisms also interact with each other, and help each other.
Give an example
TRUE! They need to interact in order to have a healthy sustainable ecosystem.
Examples: ANSWERS VARY
400
How many levels are there on the food chain? What are their names of them?
5 Levels in the food chain
Producers, Primary consumers, secondary consumers, tertiary consumers, and Apex Predator
400
The Blue whale and the barnacle are what symbiosis relationship?
Commensalism symbiosis relationship
500
Why do apex predators such as eagles and hawks need energy?
Flying
Breathing
Digesting food
All of the above
4. All of the above
500
What is a food chain?
a model that shows what eats what and who receives energy from whom in an ecosystem (eating relationship)
500
What do mammals like tigers and zebras need energy for?
1. Running
2. Breathing
3. Digesting food 4. All of the above
4. All of the above
500
How do you feel about taking your Quiz tomorrow?
1. 😀 - I am ready! Bring it on!
2. 🙃 - I am almost there. I need a little more help/study time
3. 😬 - I am not ready at all!
YOU GOT THIS! Tell me what you need.
500
What is needed for an ecosystem to be healthy and sustainable? Please make sure you give me an example. (videos we have watched)
answers will vary but they should mention biodiversity, biotic and abiotic interactions ( the 3 types) and environmental/climate