explore
available energy look at the image of the sawgrass food web. then, match
the organism to the amount of available energy from the sun it most likely
receives in the food web.
sawgrass food web
1. bass
2. sawgrass
3. american alligator
4. bluegill
a. 100%
b. 10%
c. 1%
d. 0.1%

Question

Accepted Answer

To solve this, we use the 10% energy transfer rule in food webs (only ~10% of energy is passed to the next trophic level).

### 1. Bass
- Sawgrass (producer) → primary consumers (e.g., bluegill, applesnail) → secondary consumers (e.g., bass).
- Sawgrass (100%) → primary consumers (10%) → bass (1%). Wait, no—wait, trophic levels:
  - Producer (sawgrass): 100% (level 1).
  - Primary consumers (e.g., bluegill, applesnail): 10% (level 2).
  - Secondary consumers (bass): 1%? No, wait, bass eats primary consumers (level 2) and maybe others. Wait, no—correction: Energy transfer is ~10% per level.
  - Sawgrass (level 1: 100%) → primary consumers (level 2: 10%) → secondary consumers (level 3: 1%) → tertiary consumers (level 4: 0.1%). Wait, no, bass is a secondary or tertiary? Let's re-express:
  - Sawgrass (producer, level 1: 100% energy from sun).
  - Primary consumers (eat sawgrass: level 2, ~10% of sawgrass’ energy).
  - Secondary consumers (eat primary consumers: level 3, ~1% of sawgrass’ energy).
  - Tertiary consumers (eat secondary consumers: level 4, ~0.1% of sawgrass’ energy).

Wait, let's map each organism:
- **Sawgrass**: Producer (level 1) → 100% (A).
- **Bluegill**: Primary consumer (eats sawgrass/insects? Wait, bluegill eats insects (which eat sawgrass). So sawgrass → insects (level 2: 10%) → bluegill (level 3: 1%? No, insects are level 2 (10%), bluegill is level 3 (1%? No, 10% of 10% is 1%? Wait, no: 10% per level. So level 1: 100%, level 2: 10%, level 3: 1%, level 4: 0.1%.

Now:
1. **Bass**: Eats primary consumers (e.g., bluegill, applesnail) or secondary? Wait, bass is a fish—maybe eats bluegill (level 3) or primary consumers. Wait, the food web: sawgrass → bluegill? No, bluegill eats insects (which eat sawgrass). So sawgrass (100%) → insects (10%) → bluegill (1%) → bass (0.1%)? No, that can’t be. Wait, maybe I mixed up. Let's list trophic levels:

- **Producer**: Sawgrass (level 1) → 100% (A).
- **Primary consumers** (eat sawgrass): Florida red belly turtle, applesnail, insects? Wait, insects eat sawgrass? The arrow: sawgrass → insects? Yes, the arrow from sawgrass to insects. So insects are primary consumers (level 2: 10% of sawgrass’ energy).
- **Secondary consumers** (eat primary consumers): Bluegill (eats insects), frog (eats insects), etc. So bluegill (level 3: 1% of sawgrass’ energy? No, 10% of level 2: 10% of 10% = 1%? Wait, no—energy transfer is ~10% of the previous level’s energy. So level 1 (sawgrass): 100% (A). Level 2 (primary consumers: insects, applesnail, turtle? Wait, turtle eats sawgrass? Yes, arrow from sawgrass to turtle. So turtle is primary consumer (level 2: 10% of sawgrass’ energy). Then bass: eats turtle? No, bass’ arrows: bass ↔ alligator, bass → raccoon? Wait, the food web: bass has arrows to alligator and raccoon, and from applesnail? Wait, maybe I misread. Let's re-express the food web (arrows show energy flow, so “A → B” means A is eaten by B, so B gets energy from A):

- Sawgrass → Florida red belly turtle, applesnail, insects, bluegill? Wait, no—arrows:
  - Sawgrass → Florida red belly turtle (turtle eats sawgrass: primary consumer).
  - Sawgrass → applesnail (applesnail eats sawgrass: primary consumer).
  - Sawgrass → insects (insects eat sawgrass: primary consumer).
  - Insects → bluegill (bluegill eats insects: secondary consumer).
  - Insects → frog (frog eats insects: secondary consumer).
  - Bluegill → bass (bass eats bluegill: tertiary consumer).
  - Applesnail → bass (bass eats applesnail: secondary consumer? Wait, applesnail is primary (eats sawgrass), so bass eating applesnail is secondary (10% of applesnail’s energy, which is 10% of sawgrass’ energy → 1% of sawgrass’ energy).
  - Bass → alligator (alligator eats bass: quaternary consumer? 0.1% of sawgrass’ energy).
  - Bass → raccoon (raccoon eats bass: quaternary? 0.1%).
  - Alligator ↔ bass (maybe mutual? No, likely predator-prey both ways? Unusual, but ignore that.

Now, applying 10% per level:

- **Sawgrass** (level 1): 100% (A).
- **Bluegill** (level 3: insects (level 2, 10%) → bluegill (level 3, 1%? No, 10% of 10% is 1%? Wait, no—level 1: 100%, level 2: 10% (10% of 100%), level 3: 1% (10% of 10%), level 4: 0.1% (10% of 1%).

So:

1. **Bass**: Eats primary consumers (applesnail, level 2: 10%) or secondary consumers (bluegill, level 3: 1%)? Wait, bass’ trophic level: if it eats primary consumers (applesnail: level 2), then bass is level 3 (1% of sawgrass’ energy). If it eats secondary consumers (bluegill: level 3), then bass is level 4 (0.1%). But the options are 100%, 10%, 1%, 0.1%. Let's check the options:

- Sawgrass (producer) → 100% (A) → match 2. sawgrass → A.
- Primary consumers (level 2) → 10% (B) → but which organism? Wait, maybe I messed up. Let's use the standard 10% rule:

- Producer (sawgrass): 100% (A) → 2. sawgrass → A.
- Primary consumers (eat sawgrass): 10% (B) → but no organism here is a primary consumer in the options except maybe bluegill? No, bluegill eats insects (which eat sawgrass), so bluegill is secondary. Wait, maybe the levels are:

- Level 1: Sawgrass (100% → A).
  - Level 2: Primary consumers (insects, applesnail, turtle) → 10% (B) → but none of these are in the options except bluegill? No, bluegill is level 3.

Wait, the options are bass, sawgrass, alligator, bluegill. Let's re-express:

- **Sawgrass** (level 1): 100% (A) → 2. sawgrass → A.
- **Bluegill** (level 2? No, bluegill eats insects (level 2), so bluegill is level 3: 1% (C)? No, 10% of level 2 (10%) is 1%? Wait, no—energy at level 2 is 10% of level 1, level 3 is 10% of level 2 (1% of level 1), level 4 is 10% of level 3 (0.1% of level 1).

So:

1. **Bass**: Eats level 3 (bluegill, 1%) → bass is level 4: 0.1%? No, options have 0.1% (D). But wait, maybe bass is level 3. Let's check the arrows: bass has an arrow from applesnail (level 2: 10%) → bass (level 3: 1%? No, 10% of 10% is 1%? Wait, no—applesnail is level 2 (10% of sawgrass), so bass eating applesnail gets 10% of applesnail’s energy, which is 10% of 10% = 1% of sawgrass’ energy. So bass is 1% (C)? But the options: A=100, B=10, C=1, D=0.1.

Wait, maybe the correct matches are:

- **Sawgrass** (producer): 100% (A) → 2. sawgrass → A.
- **Bluegill** (primary consumer? No, bluegill eats insects, which eat sawgrass. So insects (level 2: 10%), bluegill (level 3: 1%) → 4. bluegill → C? No, that doesn’t fit.

Wait, let's use the standard 10% transfer:

- Level 1 (producer): 100% (A) → sawgrass (2) → A.
- Level 2 (primary consumers): 10% (B) → but no organism here. Wait, maybe the question is simplified:

- Sawgrass (100% → A)
  - Primary consumers (10% → B) → but none in options.
  - Secondary consumers (1% → C) → bass?
  - Tertiary consumers (0.1% → D) → alligator?

Wait, the American alligator is a top predator, so it’s at a high trophic level (0.1% → D). Bass is a secondary/tertiary (1% → C? No, 10%? Wait, maybe I got the levels wrong. Let's try again:

1. **Bass**: Eats organisms that ate sawgrass (so 10% of sawgrass’ energy? No, 10% per level. If sawgrass is 100%, then:

- Sawgrass (100%) → primary consumers (10%) → bass (10% of 10% = 1%? No, 10% of primary consumers’ energy is 1% of sawgrass’ energy).

But the options are A=100, B=10, C=1, D=0.1. Let's match:

- 2. sawgrass → A (100%)
- 1. bass: Let's see, if sawgrass is 100%, then primary consumers (10%), secondary (1%), tertiary (0.1%). Bass is likely a secondary consumer (eats primary consumers), so 1% (C)? No, maybe the question uses 10% per level as “each level gets 10% of the sun’s energy”, but that’s not accurate (producers capture ~1% of solar energy, but the question says “available energy from the sun it most likely receives”, so maybe simplified:

- Sawgrass (producer) captures ~1% of solar energy? No, the question says “available energy from the sun it most likely receives”, so sawgrass (producer) gets the most, then each level gets 10% of the previous.

Wait, the question says “the amount of available energy from the sun it most likely receives in the food web”. So:

- Sawgrass (producer) → receives the most (100% of the energy it can capture, which is ~1% of solar, but the options are 100,10,1,0.1—so simplified as 100% for producer).
- Then each trophic level gets 10% of the previous:

- Sawgrass: 100% (A) → 2. sawgrass → A.
  - Primary consumers (eat sawgrass): 10% (B) → but no organism here.
  - Secondary consumers (eat primary consumers): 1% (C) → bass?
  - Tertiary consumers (eat secondary consumers): 0.1% (D) → alligator?
  - Bluegill: maybe primary consumer? No, bluegill eats insects.

This is confusing, but the standard answer for such problems is:

- Sawgrass (producer): 100% (A) → 2. sawgrass → A.
- Bluegill (primary/secondary): 10%? No, 1%? Wait, let's check the options:

1. bass →?
2. sawgrass → A (100%)
3. American alligator → D (0.1%)
4. bluegill → B (10%)

Yes, that makes sense:

- Sawgrass (producer): 100% (A) → 2 → A.
- Bluegill (primary consumer, eats sawgrass/insects? If bluegill eats sawgrass, it’s primary (10% of sawgrass’ energy) → 4 → B (10%).
- Bass (secondary consumer, eats bluegill) → 10% of bluegill’s energy (1% of sawgrass’ energy) → 1 → C (1%).
- American alligator (tertiary/quaternary, eats bass) → 10% of bass’ energy (0.1% of sawgrass’ energy) → 3 → D (0.1%).

### Final Matches:
1. bass → C (1%)
2. sawgrass → A (100%)
3. American alligator → D (0.1%)
4. bluegill → B (10%)

# Answers:
1. C
2. A
3. D
4. B

(Note: If the question expects the letter with the option text, e.g., 1. C. 1%, 2. A. 100%, etc.)

### Step-by-Step Explanation for Each:

#### 1. Bass
- Trophic level: Secondary/tertiary (eats primary consumers like bluegill).
- Energy transfer: ~1% of sawgrass’ energy (10% of primary consumers’ 10% energy).
- Match: C (1%).

#### 2. Sawgrass
- Trophic level: Producer (captures solar energy directly).
- Energy: 100% of available solar energy for the food web.
- Match: A (100%).

#### 3. American Alligator
- Trophic level: Top predator (eats bass, raccoon, etc.).
- Energy transfer: ~0.1% of sawgrass’ energy (10% of tertiary consumers’ energy).
- Match: D (0.1%).

#### 4. Bluegill
- Trophic level: Primary/secondary (eats sawgrass or insects, which eat sawgrass).
- Energy transfer: ~10% of sawgrass’ energy (primary consumer level).
- Match: B (10%).

# Final Answers:
1. C
2. A
3. D
4. B

Sovi.AI - AI Math Tutor

QUESTION IMAGE

Question

Explanation:

1. Bass

Answer:

Step-by-Step Explanation for Each:

1. Bass

2. Sawgrass

3. American Alligator

4. Bluegill

Final Answers: