name
energy flow in an ecosystem
directions finish each explanation for the flow of energy in a food chain using the
words in the box. you’ll use some words more than once.
1. unlimited energy comes from the ____________
2. energy used for ____________
3. energy lost as ____________
4. energy stored in ____________
5. energy used for ____________
6. energy lost as ____________
7. energy stored in ____________
body tissues
heat
life activities
plant tissues
sun
directions answer each question.
8. who receives the energy stored in first - order consumers?
____________
9. to which organisms is the most energy available? why?
____________
10. to which organisms is the least energy available? why?
____________
11. why is a pyramid shape used to show amounts of energy available at each level of a food chain?
____________
12. in the energy pyramid featured on page 314, which organism has the least amount of energy
available?
____________
13. why is there a much bigger population of grasshoppers than of foxes?
____________
14. why is the sun so important to the food chain?
____________
15. how does energy flow in an ecosystem? use the words producers, sun, and consumers in your a
____________

Question

name
energy flow in an ecosystem
directions finish each explanation for the flow of energy in a food chain using the
words in the box. you’ll use some words more than once.
1. unlimited energy comes from the ____________
2. energy used for ____________
3. energy lost as ____________
4. energy stored in ____________
5. energy used for ____________
6. energy lost as ____________
7. energy stored in ____________
    body tissues
    heat
    life activities
    plant tissues
    sun
directions answer each question.
8. who receives the energy stored in first - order consumers?
    ____________
9. to which organisms is the most energy available? why?
    ____________
10. to which organisms is the least energy available? why?
    ____________
11. why is a pyramid shape used to show amounts of energy available at each level of a food chain?
    ____________
12. in the energy pyramid featured on page 314, which organism has the least amount of energy
    available?
    ____________
13. why is there a much bigger population of grasshoppers than of foxes?
    ____________
14. why is the sun so important to the food chain?
    ____________
15. how does energy flow in an ecosystem? use the words producers, sun, and consumers in your a
    ____________

Accepted Answer

### Part 1: Filling in the Blanks (Using the Word Box: body tissues, heat, life activities, plant tissues, Sun)

1. **Unlimited energy comes from the \_\_\_\_\_\_\_\_\_\_**
   The Sun is the ultimate source of energy for ecosystems (via photosynthesis in producers).
   Answer: Sun

2. **Energy used for \_\_\_\_\_\_\_\_\_\_**
   Producers (plants) use energy from the Sun for life activities (e.g., growth, reproduction, metabolism).
   Answer: life activities

3. **Energy lost as \_\_\_\_\_\_\_\_\_\_**
   Energy is lost as heat during metabolic processes (e.g., respiration) in organisms.
   Answer: heat

4. **Energy stored in \_\_\_\_\_\_\_\_\_\_**
   Producers store energy in their plant tissues (e.g., leaves, stems) as chemical energy (glucose).
   Answer: plant tissues

5. **Energy used for \_\_\_\_\_\_\_\_\_\_**
   Consumers (herbivores, carnivores) use energy from food for their life activities (e.g., movement, digestion).
   Answer: life activities

6. **Energy lost as \_\_\_\_\_\_\_\_\_\_**
   Energy is lost as heat during the respiration of consumers (e.g., first - order, second - order consumers).
   Answer: heat

7. **Energy stored in \_\_\_\_\_\_\_\_\_\_**
   Consumers store energy in their body tissues (e.g., muscle, fat) when they consume food.
   Answer: body tissues

### Part 2: Answering the Questions

8. **Who receives the energy stored in first - order consumers?**
   First - order consumers (e.g., herbivores) are eaten by second - order consumers (carnivores or omnivores). So second - order consumers (or higher - level consumers/predators) receive the energy stored in first - order consumers.

9. **To which organisms is the most energy available? Why?**
   Producers (plants) have the most energy available. This is because they directly capture energy from the Sun via photosynthesis, and energy is lost at each trophic level (due to heat, waste, and use in life activities), so producers start with the largest energy pool.

10. **To which organisms is the least energy available? Why?**
    Top - level consumers (e.g., apex predators like eagles, lions) have the least energy available. Energy is lost at each trophic level (only about 10% of energy is transferred between levels), so by the time energy reaches the top of the food chain, very little remains.

11. **Why is a pyramid shape used to show amounts of energy available at each level of a food chain?**
    A pyramid shape is used because energy decreases at each successive trophic level. Producers form the base (largest energy), and each level above (primary consumers, secondary consumers, etc.) is smaller, reflecting the reduced energy available (due to energy loss as heat, use in life activities, and incomplete consumption).

12. **In the energy pyramid featured on page 314, which organism has the least amount of energy available?**
    (Note: Since the specific page 314 is not provided, we assume the general rule.) The top - level consumer (e.g., if the pyramid has producers → herbivores → carnivores → top carnivore, the top carnivore) has the least energy. This is because energy is lost at each trophic level, so the highest level in the pyramid (top consumer) has the smallest energy pool.

13. **Why is there a much bigger population of grasshoppers than of foxes?**
    Grasshoppers are first - order consumers (herbivores), and foxes are higher - level consumers (e.g., secondary or tertiary). Energy available to grasshoppers (from plants) is more than the energy available to foxes (from eating herbivores/carnivores). Since populations are limited by energy availability (more energy supports more individuals), grasshoppers have a larger population.

14. **Why is the Sun so important to the food chain?**
    The Sun is the ultimate source of energy. Producers (plants) use sunlight to perform photosynthesis, converting solar energy into chemical energy (stored in plant tissues). This energy then flows through the food chain as consumers eat producers or other consumers. Without the Sun, producers could not produce energy - rich organic matter, and the food chain would collapse.

15. **How does energy flow in an ecosystem? Use the words producers, Sun, and consumers in your answer.**
    Energy flows in an ecosystem starting with the Sun. Producers (plants) capture solar energy via photosynthesis and convert it into chemical energy stored in plant tissues. Consumers (herbivores, carnivores, omnivores) then obtain energy by eating producers or other consumers. Energy is used by organisms for life activities and lost as heat at each trophic level, with the remaining energy stored in body tissues and passed to the next level.

Sovi.AI - AI Math Tutor

QUESTION IMAGE

Question

Explanation:

Part 1: Filling in the Blanks (Using the Word Box: body tissues, heat, life activities, plant tissues, Sun)

Answer: