Multiple Choice
There was a change in the environment between generations 10 and 30. The change likely:
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1. Introduction to Biology
Natural Selection and Evolution
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Which best describes an organism's niche?
A
The process by which organisms change over time
B
The physical location where an organism lives
C
The genetic makeup of an organism
D
The role an organism plays in its environment, including its habitat, resource use, and interactions with other organisms
Verified step by step guidance1
Understand the term 'niche' in ecology: A niche refers to the role an organism plays in its environment, encompassing its habitat, resource use, and interactions with other organisms.
Differentiate between the options provided: (1) 'The process by which organisms change over time' refers to evolution, not niche. (2) 'The physical location where an organism lives' describes habitat, which is only one part of a niche. (3) 'The genetic makeup of an organism' refers to genotype, unrelated to niche.
Recognize that a niche is a broader concept that includes not only where an organism lives (habitat) but also how it interacts with other species (e.g., predation, competition) and how it utilizes resources (e.g., food, water, shelter).
Relate the concept of niche to real-world examples: For instance, a honeybee's niche includes its role in pollination, its habitat in flowering areas, and its interaction with plants and other pollinators.
Conclude that the correct description of an organism's niche is 'The role an organism plays in its environment, including its habitat, resource use, and interactions with other organisms.'
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