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Ecosystems - Flow of Matter

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Last updated 10 months ago
11 questions
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Question 1
1.

Select all the decomposers from the list below.

Question 2
2.
Complete the diagram with the matter exchanged between producers and consumers during photosynthesis and respiration.
Other Answer Choices:
oxygen
carbon dioxide
Question 3
3.

How do producers, consumers, and decomposers work together in a garden ecosystem?

Question 4
4.

Match the term with its definition.

Draggable itemarrow_right_altCorresponding Item
Carbon dioxide
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Organisms that break down decaying matter
Nutrients
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Here's a simplified overview:
  1. Animal Waste Production: Animals produce waste, which includes feces, urine, and other organic materials.
  2. Decomposition by Fungi: Fungi, along with bacteria, play a crucial role in breaking down these organic materials. They secrete enzymes that break down complex organic compounds into simpler substances.
  3. Nutrient Release: As fungi decompose the waste, they release nutrients such as nitrogen, phosphorus, and carbon back into the soil.
  4. Nutrient Uptake: Plants absorb these nutrients from the soil, which helps them grow. These plants may then be consumed by animals, continuing the cycle.
This process is essential for nutrient cycling in ecosystems, ensuring that organic matter is recycled and made available for other organisms. 🌱
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Question 6
6.

Question 7
7.
A partial ocean food web is shown.


Where does the energy from the phytoplankton flow next? __________

Which organism is the apex predator? __________

How many organisms receive energy directly from producers? __________
Question 8
8.

How would the organism represented by the question mark be classified?

Question 9
9.

Match the term with its definition.

Draggable itemarrow_right_altCorresponding Item
Carnivore
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An organism that makes its own food
Consumer
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Use the food web below to answer the questions.


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Substances needed to grow
Organic matter
Gas humans inhale
Decomposers
Gas humans exhale
Oxygen
Animal waste and decaying organisms
Question 5
5.

How does matter move between animal wastes and fungi?

Using the food web below, identify each organism as a producer or consumers.

Producer

Consumers

Lizard
Cricket
leaves
Wolf
Caterpillar
Seeds
Grasses
Prairie Dog
Robbin
Hawk
An organism that must eat for energy
Producer
A consumer that eats only plants
Herbivore
A consumer that eats only animals
Omnivore
A consumer that eats plants and animals
Question 10
10.

How many organisms are consumers?

Question 11
11.

Which organisms obtain at least some energy directly from producers?
Seeds
Golden Eagle
Beetle
Fennec fox
Agamid lizard
Jerboa
Leaves