To solve the problem of completing the food chains, we need to understand the flow of energy in an ecosystem. A food chain shows how energy is transferred from one organism to another, starting with a producer (usually a plant) and ending with a top predator.
Food Chain I:
The given images are:
- Grass (producer)
- Snake
- Frog
- Insect
#### Step-by-Step Reasoning:
1.
Grass: This is the producer, which converts sunlight into energy through photosynthesis.
2.
Insect: The insect eats the grass because it is a primary consumer that feeds on plants.
3.
Frog: The frog eats the insect because frogs are predators that feed on insects.
4.
Snake: The snake eats the frog because snakes are predators that feed on frogs.
#### Correct Order:
- Grass → Insect → Frog → Snake
Food Chain II:
The given images are:
- Acorn (producer)
- Hawk
- Snake
- Bird
#### Step-by-Step Reasoning:
1.
Acorn: This is the producer, which provides energy for other organisms.
2.
Bird: The bird eats the acorn because birds often consume seeds and nuts.
3.
Snake: The snake eats the bird because snakes are predators that feed on smaller animals like birds.
4.
Hawk: The hawk eats the snake because hawks are apex predators that feed on snakes.
#### Correct Order:
- Acorn → Bird → Snake → Hawk
Final Answer:
-
Food Chain I: Grass → Insect → Frog → Snake
-
Food Chain II: Acorn → Bird → Snake → Hawk
$$
\boxed{\text{Grass → Insect → Frog → Snake; Acorn → Bird → Snake → Hawk}}
$$
Parent Tip: Review the logic above to help your child master the concept of free food chain worksheet.
