Pond Flashcards

(4 cards)

1
Q

: What are the interrelationships between biotic and abiotic parts of a pond

A

Biotic components like fish and reeds interact with abiotic factors such as light levels, water temperature, and the nutrient-rich soil at the pond’s base. These systems are so interdependent that a single change has knock-on effects; for instance, adding a predator like perch reduces frog populations, which in turn leads to an increase in the number of slugs

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2
Q

Q: What are the specific roles of producers, consumers, and decomposers?

A

Producers, such as algae and lily pads, convert sunlight into chemical energy (sugars) through photosynthesis. Consumers like pond snails obtain energy by eating these plants, while decomposers such as bacteria and fungi break down dead organic material to recycle nutrients back into the ecosystem

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3
Q

: How do food chains and food webs illustrate energy flow in a pond?

A

food chain shows a single direct link of energy, such as: algae → tadpole → stickleback → perch → heron. A food web is a more complex map of overlapping connections, showing that a top predator like a heron actually eats a variety of prey, including fish, frogs, and large insects.

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4
Q

How does nutrient cycling function within this small-scale system?

A

Nutrients are initially provided by weathered rock or rainwater that washes chemicals out of the atmosphere. When plants and animals die, decomposers release these nutrients back into the soil and water, making them available for plants to absorb again for new growth

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