Asked by Sanjay Mohandas on Sep 25, 2024
Verified
Populations of a number of commercially valuable shark species have decreased by 90% since 1992.
Commercially Valuable
Refers to products, services, or properties that have the potential to generate a significant amount of income or profit in the marketplace.
Shark Species
Various types of sharks that exist within the class Chondrichthyes, differing in size, habitat, diet, and behavior, contributing to the biodiversity of marine ecosystems.
- Discern the ecological positions of predators and their bearing on the movements of ecosystem components.
Verified Answer
SN
Stuart Nathan5 days ago
Final Answer :
True
Explanation :
According to a study published in the journal "Marine & Freshwater Research" in 2020, populations of some commercially valuable shark species, such as hammerhead and reef sharks, have decreased by 90% since 1992. Therefore, the statement is true.
Learning Objectives
- Discern the ecological positions of predators and their bearing on the movements of ecosystem components.
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