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Zorluk: KolayEcology and Environment

In a rocky coastal tide pool, sea urchins graze directly on living kelp and marine algae. Which trophic level do sea urchins occupy in this food web?

  1. A
    Primary producer
  2. Primary consumerCevap
  3. C
    Tertiary consumer
  4. D
    Decomposer

Cevap

Primary consumer
In ecological trophic pyramids, autotrophs like kelp and algae produce organic matter, making them primary producers. Herbivores such as sea urchins that feed directly on these producers are defined as primary consumers.

Adım Adım Çözüm

1
Identify the diet and energy source of the organism in the scenario.
Sea urchins feed directly on living kelp and algae, which are photosynthetic autotrophs (primary producers).
An organism's trophic level is determined by its feeding position relative to primary producers.
2
Classify the organism based on its position in the trophic hierarchy.
Organisms that consume primary producers are herbivores, classified as primary consumers.
Herbivores occupy the second trophic tier, transferring energy from producers to higher-level consumers.

Anahtar Kavram

Trophic Levels and Herbivore Classification in Food Webs
Tahmini Süre:45s
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Ecology and Environment

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