Use the food chain below to answer questions 1 - 3.
2 points
2
Question 1
1.
The energy that the frog uses to grow, move, and build its body originally came from the ______.
A) Sun
B) Plants
C) Caterpillars
2 points
2
Question 2
2.
When the frog eats, what happens to the food molecules it just ate? (Select all that apply)
A) They turn into body molecules.
B)
C) They turn into food molecules.
D) They are released as energy.
2 points
2
Question 3
3.
Cane toads are a species of toad that is toxic to snakes. Cane toads will eat caterpillars. If cane toads are released into this ecosystem, what will happen to the population of frogs? Why?
Sentence starters:
If cane toads are released into this ecosystem, the population of frogs will ________________________________.
This will happen because ____________________________________________________________________________________.
Use the food web below to answer questions 4 - 6.
2 points
2
Question 4
4.
What supplies the original source of energy that keeps every organism in this ecosystem alive?
A) Plants/Producers
B) Sun
C)
D) Microscopic Algae
2 points
2
Question 5
5.
If the young mosquito larvae all die, what will happen to the grass carps?
A) They will no longer have the food they need to grow and build their bodies.
B) They will still grow and build their bodies because they have other sources of food.
C) They will die because the frogs will be able to eat all of their food.
2 points
2
Question 6
6.
Which of the following shows a correct way that matter moves through this ecosystem?
A) Marsh Grass → Frog → Great Blue Heron → American Alligator
B) Bladderwort Plant → Grass Carp → Rabbit → Alligator
C) Algae → Young Mosquito → Grass Carp → Alligator
Use the food web below to answer question 7.
The food webs above are from the same ecosystem but at different times.
In 2015, there was a fire which destroyed all of the plants. Ecologists were able to bring back the grass after the fire.
3 points
3
Question 7
7.
Ecologists are concerned about this ecosystem because the number of rabbits, mice, grasshoppers, and birds has not grown since the fire and have started to decrease.
Using what you have learned so far and the food webs above, write a scientific argument explaining why you think the numbers of rabbits, mice, grasshoppers, and birds have started to decrease.
Sentence starters:
Claim:
The numbers of rabbits, mice, grasshoppers, and birds has started to decrease because __________________.
Evidence:
In the food web, it shows ____________________________________________________________________________________.
Reasoning:
This means ___________________________________________________________________________________________________.
Read the scenario below. Use the information in the passage and picture to answer questions 8 – 9.
A fifth grader named Shayleah decides to study plant growth at home. Shayleah buys five plants that are all the same height. She plants them in five separate containers. Each plant has different conditions, as shown below. She brings a photograph of her experiment to school to show her class.
4 points
4
Question 8
8.
Carefully read the labels on plants #1, #2, #3, and #5. Fill out the table to share what you think will happen to each plant:
Sentence starters:
Plant #1 will ___________________________________________.
Plant #2 will ___________________________________________.
Plant #3 will ___________________________________________.
Plant #5 will ___________________________________________.
4 points
4
Question 9
9.
Her teammate Laron sees the photograph and says “Plant # 4 will die because plants cannot grow without soil.” Do you agree or disagree with Laron’s claim? Support your answer with evidence from a resource shown below this question (scroll down).
Sentence starters:
Claim:
I __________________ (agree or disagree) with Laron that Plant # 4 will die because plants cannot grow without soil.
Evidence: (Choose a piece of evidence below, scroll down)
In __________________, it says/shows ___________________________________________________________________________.
Reasoning:
This means ___________________________________________________________________________________________________.
Use the flowchart below to answer question 10.
The flowchart below represents the process of photosynthesis. One step is labeled X.
2 points
2
Question 10
10.
Which activity occurs at “X” in the flow chart above?
A) Plants are eaten by animals for food.
B) Plants release water into the soil.
C) Carbon dioxide and water are used to make food.
