Food Web
Vocabulary
Multiple Choice
True or False
100
What do the fox and opossum have in common ?
They both eat the rat population
100
What is reproduction
The process of creating offspring
100
A population of tigers lives in Bangladesh. Over 50 years, the size of the tiger population increased. What best explains the increase in the size of the tiger population?
More tigers were born than died.
100
In the ecosystem both grizzly bears and eagles eat trout.
True
200
Name 2 ways the moon jelly population can increase
1) Increase in zooplankton
2) Decrease in sea turtle
3) Decrease in walleye pollock
200
What is stability?
When something stays mostly the same over time
200
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?
Fewer bluefish were born than died.
200
Organisms need to release energy from energy storage molecules in order to reproduce?
True
300
Which organism is the consumer population for the moon jelly fish?
Sea Turtle
300
What is a resource population?
A population that is eaten by organisms from another population
300
In this ecosystem, herons (a type of bird) eat frogs, and frogs eat dragonflies. The dragonfly population increased suddenly. What will likely happen to the frog population as a result?
Increase. The larger dragonfly population will provide more energy storage molecules for the frog population, so they will reproduce more. This will lead to more births than deaths in the frog population.
300
Eating more food leads to more reproduction in humans. True or False?
True
400
What the arrows on the food web represent?
Energy Storage Molecules going inside of the consumer population
400
What is indirect effect ?
The result of one cause leading to an effect that causes one or more other effects
400
A large population of ducks lives in an area with a lake. In the last 40 years, the size of the duck population has stayed the same. What must be true about the duck population during the last 40 years?
The number of ducks that were born was the same as the number of ducks that died.
400
Can the moon jelly population be effected by the Orca population ?
True. The orcas eat the sea turtles.
500
What organism is the resource population for the sparrows
Button Grass
500
What is consumer population
A population that eats organisms from another population
500
In Australia, both opossums and foxes eat rats. Recently the size of the opossum population increased.
What will likely happen to the fox population?
Decrease. Fewer energy storage molecules will be available to the fox population from the smaller rat population, so the fox population will reproduce less. This will lead to fewer births than deaths in the fox population.
500
Can the mushrooms effect the orange bellied parrot?
False