Which of these would NOT be a primary focus for an ecologist? 1. how proteins in
ID: 282618 • Letter: W
Question
Which of these would NOT be a primary focus for an ecologist?
1. how proteins interact within cells 2. how a fish population changes when fish are harvested 3. how an owl population affects the mouse population on which it feeds 4. how climatic conditions (rainfall, temperature, etc.) affect the reproduction of trees in a forest
Microevolution refers to: (Choose the best answer)
The appearance of mammals over millions of years.
The evolution of very small organisms.
Processes that resulted in the extinction of dinosaurs.
The relative numbers of alleles (frequencies) of populations change over time.
) The acquisition of antibiotic resistance by microbial pathogens is an example of
microevolution
directional selection
spontaneous generation
disruptive selection
1 & 2
5. Changes in the microbial environment of an evolving population.
1.The appearance of mammals over millions of years.
2.The evolution of very small organisms.
3.Processes that resulted in the extinction of dinosaurs.
4.The relative numbers of alleles (frequencies) of populations change over time.
) The acquisition of antibiotic resistance by microbial pathogens is an example of
1.microevolution
2.directional selection
3.spontaneous generation
4.disruptive selection
5.1 & 2
5. Changes in the microbial environment of an evolving population.
Explanation / Answer
1.
Ecologist is a person who studies the interrelationship between the organisms in the environment and the environment itself. The changing of the fish population is a part of the ecological change. In the same way, the mouse population and the climatic condition affecting the trees are also studies by an ecologist. The interaction of proteins within the cells is not studied by the ecologist. Therefore, option (1) would not be of primary focus to an ecologist.
The correct answer is option (1).
2.
Microevolution is referred to the change in the allele frequencies in the population over a certain period of time.
The correct answer is option (4).
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