Question
In a particular ecosystem, the following food web can be observed.
13. Identify the organisms as producers or consumers.
(2 points)
producer primary consumer secondary consumer tertiary consumer
grasses
frog
snake
rabbit
Question 2
14. Why is there a limit to the number of levels that can exist in a food web or energy pyramid?(1 point)
Responses
The amount of energy available for use by the next organisms decreases going up from one level to the next.
The amount of energy available for use by the next organisms decreases going up from one level to the next.
The amount of energy available for use by the next organisms increases going up from one level to the next.
The amount of energy available for use by the next organisms increases going up from one level to the next.
The amount of energy available for use by the next organisms decreases going down from one level to the next.
The amount of energy available for use by the next organisms decreases going down from one level to the next.
Question 3
15. Which organisms are considered autotrophs?(1 point)
Responses
grasses
grasses
hawks
hawks
frogs
frogs
rabbits
rabbits
Question 4
Food webs and energy pyramids show the movement of matter and energy through ecosystems.
16. Click to show how matter and energy move through ecosystems.
(2 points)
matter energy
flows through the ecosystem
cycles within the ecosystem
Earth has a generally fixed amount
Earth is always receiving more
13. Identify the organisms as producers or consumers.
(2 points)
producer primary consumer secondary consumer tertiary consumer
grasses
frog
snake
rabbit
Question 2
14. Why is there a limit to the number of levels that can exist in a food web or energy pyramid?(1 point)
Responses
The amount of energy available for use by the next organisms decreases going up from one level to the next.
The amount of energy available for use by the next organisms decreases going up from one level to the next.
The amount of energy available for use by the next organisms increases going up from one level to the next.
The amount of energy available for use by the next organisms increases going up from one level to the next.
The amount of energy available for use by the next organisms decreases going down from one level to the next.
The amount of energy available for use by the next organisms decreases going down from one level to the next.
Question 3
15. Which organisms are considered autotrophs?(1 point)
Responses
grasses
grasses
hawks
hawks
frogs
frogs
rabbits
rabbits
Question 4
Food webs and energy pyramids show the movement of matter and energy through ecosystems.
16. Click to show how matter and energy move through ecosystems.
(2 points)
matter energy
flows through the ecosystem
cycles within the ecosystem
Earth has a generally fixed amount
Earth is always receiving more
Answers
GPT-4o mini
**Question 1: Identify the organisms as producers or consumers.**
| Organism | Classification |
|----------|------------------------|
| Grasses | Producer |
| Frog | Secondary Consumer |
| Snake | Tertiary Consumer |
| Rabbit | Primary Consumer |
---
**Question 2: Why is there a limit to the number of levels that can exist in a food web or energy pyramid?**
- **Response:** The amount of energy available for use by the next organisms decreases going up from one level to the next.
---
**Question 3: Which organisms are considered autotrophs?**
- **Response:** Grasses
---
**Question 4: Click to show how matter and energy move through ecosystems.**
| Matter | Energy |
|-------------------------------|---------------------------------|
| Cycles within the ecosystem | Flows through the ecosystem |
| Earth has a generally fixed amount | Earth is always receiving more |
If you have any further questions or need clarification, feel free to ask!
| Organism | Classification |
|----------|------------------------|
| Grasses | Producer |
| Frog | Secondary Consumer |
| Snake | Tertiary Consumer |
| Rabbit | Primary Consumer |
---
**Question 2: Why is there a limit to the number of levels that can exist in a food web or energy pyramid?**
- **Response:** The amount of energy available for use by the next organisms decreases going up from one level to the next.
---
**Question 3: Which organisms are considered autotrophs?**
- **Response:** Grasses
---
**Question 4: Click to show how matter and energy move through ecosystems.**
| Matter | Energy |
|-------------------------------|---------------------------------|
| Cycles within the ecosystem | Flows through the ecosystem |
| Earth has a generally fixed amount | Earth is always receiving more |
If you have any further questions or need clarification, feel free to ask!