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Sourav PanSeptember 10, 2024

Figure 1 compares two models of speciation, A and B. Which of the following best explains how the ecological conditions are likely to be different in the two models? a) In model A the ecological conditions remain unchanged for long periods of time and then change drastically; in model B the ecological conditions change drastically from generation to generation. b) In model A the ecological conditions remain unchanged; in model B the ecological conditions change gradually over long periods of time. c) In model A the ecological conditions are changing drastically from generation to generation; in model B the ecological conditions remain unchanged. d) In model A the ecological conditions change gradually over a long period of time; in model B the ecological conditions remain unchanged for long periods of time and then change drastically.

Figure 1 compares two models of speciation, A and B. Which of the following best explains how the ecological conditions are likely to be different in the two models?
a) In model A the ecological conditions remain unchanged for long periods of time and then change drastically; in model B the ecological conditions change drastically from generation to generation.
b) In model A the ecological conditions remain unchanged; in model B the ecological conditions change gradually over long periods of time.
c) In model A the ecological conditions are changing drastically from generation to generation; in model B the ecological conditions remain unchanged.
d) In model A the ecological conditions change gradually over a long period of time; in model B the ecological conditions remain unchanged for long periods of time and then change drastically.

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Sourav Pan. (2024, September 10). Figure 1 compares two models of speciation, A and B. Which of the following best explains how the ecological conditions are likely to be different in the two models? a) In model A the ecological conditions remain unchanged for long periods of time and then change drastically; in model B the ecological conditions change drastically from generation to generation. b) In model A the ecological conditions remain unchanged; in model B the ecological conditions change gradually over long periods of time. c) In model A the ecological conditions are changing drastically from generation to generation; in model B the ecological conditions remain unchanged. d) In model A the ecological conditions change gradually over a long period of time; in model B the ecological conditions remain unchanged for long periods of time and then change drastically.. Biology Notes Online. Retrieved from https://biologynotesonline.com/qa/figure-1-compares-two-models-of-speciation-a-and-b-which-of-the-following-best-explains-how-the-ecological-conditions-are-likely-to-be-different-in-the-two-models-a-in-model-a-the-ecological-condi/

Sourav Pan. "Figure 1 compares two models of speciation, A and B. Which of the following best explains how the ecological conditions are likely to be different in the two models? a) In model A the ecological conditions remain unchanged for long periods of time and then change drastically; in model B the ecological conditions change drastically from generation to generation. b) In model A the ecological conditions remain unchanged; in model B the ecological conditions change gradually over long periods of time. c) In model A the ecological conditions are changing drastically from generation to generation; in model B the ecological conditions remain unchanged. d) In model A the ecological conditions change gradually over a long period of time; in model B the ecological conditions remain unchanged for long periods of time and then change drastically.." Biology Notes Online, 10 September 2024, biologynotesonline.com/qa/figure-1-compares-two-models-of-speciation-a-and-b-which-of-the-following-best-explains-how-the-ecological-conditions-are-likely-to-be-different-in-the-two-models-a-in-model-a-the-ecological-condi/.

Sourav Pan. "Figure 1 compares two models of speciation, A and B. Which of the following best explains how the ecological conditions are likely to be different in the two models? a) In model A the ecological conditions remain unchanged for long periods of time and then change drastically; in model B the ecological conditions change drastically from generation to generation. b) In model A the ecological conditions remain unchanged; in model B the ecological conditions change gradually over long periods of time. c) In model A the ecological conditions are changing drastically from generation to generation; in model B the ecological conditions remain unchanged. d) In model A the ecological conditions change gradually over a long period of time; in model B the ecological conditions remain unchanged for long periods of time and then change drastically.." Biology Notes Online (blog). September 10, 2024. https://biologynotesonline.com/qa/figure-1-compares-two-models-of-speciation-a-and-b-which-of-the-following-best-explains-how-the-ecological-conditions-are-likely-to-be-different-in-the-two-models-a-in-model-a-the-ecological-condi/.

Avatar for Sourav Pan
Sourav PanMay 15, 2025

Answer: a) In model A the ecological conditions remain unchanged for long periods of time and then change drastically; in model B the ecological conditions change drastically from generation to generation.
Explanation: This describes the difference between punctuated equilibrium (Model A) with long periods of stability followed by rapid changes, and phyletic gradualism (Model B) with continuous, gradual changes.

Cite this post:

Sourav Pan. (2024, September 10). Figure 1 compares two models of speciation, A and B. Which of the following best explains how the ecological conditions are likely to be different in the two models? a) In model A the ecological conditions remain unchanged for long periods of time and then change drastically; in model B the ecological conditions change drastically from generation to generation. b) In model A the ecological conditions remain unchanged; in model B the ecological conditions change gradually over long periods of time. c) In model A the ecological conditions are changing drastically from generation to generation; in model B the ecological conditions remain unchanged. d) In model A the ecological conditions change gradually over a long period of time; in model B the ecological conditions remain unchanged for long periods of time and then change drastically.. Biology Notes Online. Retrieved from https://biologynotesonline.com/qa/figure-1-compares-two-models-of-speciation-a-and-b-which-of-the-following-best-explains-how-the-ecological-conditions-are-likely-to-be-different-in-the-two-models-a-in-model-a-the-ecological-condi/

Sourav Pan. "Figure 1 compares two models of speciation, A and B. Which of the following best explains how the ecological conditions are likely to be different in the two models? a) In model A the ecological conditions remain unchanged for long periods of time and then change drastically; in model B the ecological conditions change drastically from generation to generation. b) In model A the ecological conditions remain unchanged; in model B the ecological conditions change gradually over long periods of time. c) In model A the ecological conditions are changing drastically from generation to generation; in model B the ecological conditions remain unchanged. d) In model A the ecological conditions change gradually over a long period of time; in model B the ecological conditions remain unchanged for long periods of time and then change drastically.." Biology Notes Online, 10 September 2024, biologynotesonline.com/qa/figure-1-compares-two-models-of-speciation-a-and-b-which-of-the-following-best-explains-how-the-ecological-conditions-are-likely-to-be-different-in-the-two-models-a-in-model-a-the-ecological-condi/.

Sourav Pan. "Figure 1 compares two models of speciation, A and B. Which of the following best explains how the ecological conditions are likely to be different in the two models? a) In model A the ecological conditions remain unchanged for long periods of time and then change drastically; in model B the ecological conditions change drastically from generation to generation. b) In model A the ecological conditions remain unchanged; in model B the ecological conditions change gradually over long periods of time. c) In model A the ecological conditions are changing drastically from generation to generation; in model B the ecological conditions remain unchanged. d) In model A the ecological conditions change gradually over a long period of time; in model B the ecological conditions remain unchanged for long periods of time and then change drastically.." Biology Notes Online (blog). September 10, 2024. https://biologynotesonline.com/qa/figure-1-compares-two-models-of-speciation-a-and-b-which-of-the-following-best-explains-how-the-ecological-conditions-are-likely-to-be-different-in-the-two-models-a-in-model-a-the-ecological-condi/.

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