Ecosystems Part 1a
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by Jessica Schilder
| 18 Questions
1
1 pt
The above diagram is an example of ...
food chain
energy chain
food web
a habitat
2
1 pt
Which example is correct according to the diagram?
grasshopper>frog>wolf>eagle
eagle>python>rat>grasshopper>corn
mangoes>fruitfly>butterfly>frog
lavender>butterfly>dragonfly>thrush>eagle
3
1 pt
What are the four producers in the diagram.
Butterfly, Fruit fly, Dragonfly, Grasshopper
Mangoes, Flowering Plants, Corn, Lavender
Python, Wolf, Eagle, Thrush
Frog, Rat, Corn, Thrush
4
3 pts
What does the blue arrow represent and why is it important? Use full complete sentences.
5
3 pts
Explain what could happen to the ecosystem if all the frogs suddendly died. Use full complete sentences.
6
1 pt
Which statements are not a part of our Yellowstone ecosystem model?
Habitats provide living things with its needs.
A population can't grow forever, it is limited by resources.
There are producers and consumers.
All organisms affect each other in a food web.
7
1 pt
Populations depend on and __________ with each other.
use resources
compete
eat
live
8
1 pt
Survival of a species depends on its reproduction, food and the amount of ....
natural resources.
sunlight.
habit.
producers.
9
4 pts
From your Gizmos Lab of the prairie ecosystem (Activity C), why did removing ferrets have such a powerful effect on the prairie ecosystem? Explain in full complete sentences.

10
1 pt
What is the correct order of the five differenct trophic levels?
herbivores, carnivores, omnivores, producers, apex predators
apex predators, producers, herbivores, omnivores, carnivores
apex predators, carnivores, herbivores, omnivores, producers
producers, herbivores, omnivores, carnivores, apex predators
11
1 pt
An organism that depends on other organisms for food are called...
producers
consumers
scavengers
decomoposers
12
3 pts
In the lab write up of "oh, deer", what was your reasoning statement? Use full complete sentences.
13
1 pt
Which one is not a example of a scientific model statement?
The map shows where the mountains are located.
F=ma
Habits provide living things with its needs.
I think animals like living where it is warm.
14
3 pts
Using the graph above, what happens to the snowshoe hare when the arctic fox population decreases? Explain in full complete sentences.
15
1 pt
Using the graph, what year did the snowshoe hare population increase in comparison to the year before?
1935
1985
1945
1965
16
1 pt
Using the graph, what was the lowest number of artic foxes and what year did that occur?
12,000 in 1941
40,000 in 1957
140,000 in 1946
80,000 in 1980
17
1 pt
Using the graph, in which years did the snowshoe hare have the greatest population?
1940 and 1960
1946 and 1967
1925 and 2005
1932 and 1939
18
2 pts
What would happen to the snowshoe hare population if the foxes were hunted by humans and went exinct? Answer in full complete sentences.
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