Multiple Choice
Which of the following statements best describes Darwin's suggestion about living species after studying fossil organisms?
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Which type of algae is most commonly found in marine environments?
A
Green algae
B
Blue-green algae
C
Red algae
D
Brown algae
Verified step by step guidance1
Identify the different types of algae mentioned in the problem: Green algae, Blue-green algae, Red algae, and Brown algae.
Understand the typical habitats of each type of algae. Green algae are often found in freshwater environments, while Blue-green algae (cyanobacteria) can be found in both freshwater and marine environments.
Recognize that Red algae (Rhodophyta) are predominantly found in marine environments, especially in deeper waters due to their ability to absorb blue light, which penetrates deeper into the ocean.
Note that Brown algae (Phaeophyceae) are also commonly found in marine environments, particularly in colder waters, but Red algae are more widespread across various marine habitats.
Conclude that among the options provided, Red algae are the most commonly found in marine environments, making them the correct answer.
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