What is the difference between microevolution and macroevolution? Macroevolution occurs on a smaller scale with only one species. Microevolution occurs on a larger scale and includes several different species changing at once. Microevolution occurs when there is a change within a population of a given species. Macroevolution occurs when one species changes into a completely new species. Macroevolution occurs when there is a change within a population of a given species. Microevolution occurs when one species changes into a completely new species. Microevolution occurs on a smaller scale with only one species. Macroevolution occurs on a larger scale and includes several different species changing at once.

What is the difference between microevolution and macroevolution? Macroevolution occurs on a smaller scale with only one species. Microevolution occurs on a larger scale and includes several different species changing at once. Microevolution occurs when there is a change within a population of a given species. Macroevolution occurs when one species changes into a completely new species. Macroevolution occurs when there is a change within a population of a given species. Microevolution occurs when one species changes into a completely new species. Microevolution occurs on a smaller scale with only one species. Macroevolution occurs on a larger scale and includes several different species changing at once.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter18: Evolution And The Origin Of Species

Section: Chapter Questions

Problem 3VCQ: Figure 18.23 Which of the following statements is false? Punctuated equilibrium is most likely to...

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Which of the following species would have the greatest chance of going extinct? a species with a slow reproduction rate and very little genetic variation living in a changing environment a species with a fast reproduction rate and lots of genetic variation living in a changing environment a species with a slow reproduction rate and very little genetic variation living in a stable environment a species with a fast reproduction rate and lots of genetic variation living in a stable environment
How is sympatric speciation different from allopatric speciation? Group of answer choices Allopatric speciation requires a geographic barrier, while sympatric speciation occurs in one place Allopatric speciation results in hybrids, while sympatric speciation does not Allopatric speciation is a result of behavioral isolation, while sympatric speciation is a result of habitat isolation Allopatric speciation occurs in one place, while sympatric speciation requires a geographic barrier
In sympatric speciation (fill in the blank) can result in (fill in the blank) and lead to formation of new species from a population that (fill in the blank) fill in the blank with the following: is geographically isolated, gene flow, reproduction isolation, is in the same environment, genetic drift, or ecological isolation
What are characteristics of sympatric speciation? Select all that apply. Reproductive isolation necessary to end gene flow Divergence within a population leads to speciation Absence of a physical barrier Presence of a physical barrier Reproductive isolation unnecessary to end gene flow
What is the process in which two closely interacting species jointly act as selective agents of traits for each other? Coevolution Adaptive radiation Microevolution Macroevolution
What is the relationship between changes in gene frequencies and adaptations? The change in genes results in adaptations, which in turn, lead to the individual's ability to survive in its environment. The change in genes reduces adaptations, limiting the individual's ability to adapt for survival. The change in genes speeds up the process of adaptations, and the result is adaptations within any species will occur within a year. The change in genes results in adaptations in the individual, but these adaptations cannot be passed on to future generations.
You arrive on an alien planet and settle down to live there for a long time. There are very few species. Two of the species (A and B) are sometimes common and sometimes rare. When you start keeping track of population changes you discover that the population sizes fluctuate on a regular cycle in close synchrony. Species B always increases first, followed by species A. Which of the following would be the best explanation for what you are seeing? Group of answer choices -Species A is a predator and there is a time lag between changes in the density of its prey and species A's population change -Species A is a predator and it can respond instantly to changes in its prey population -Species B is a predator and there is a time lag between changes in the density of its prey and species B's population change -Species B is a predator and it can respond instantly to changes in its prey population
What is Sympatric speciation? A) When a population is separated from the main group by a barrier and becomes a new species B) When a population mutates into a new species C) When a population develops into a new species without any physical barriers to isolate them
Say you found another isolated pond about a mile from your first pond. This second isolated pond contains a population of 50,000 Danio kerri. You take a female fish from pond #1 and a male fish from pond #2. They look the same; they mate and produce fertile offspring. This suggests that these fish are members of _______ based on the ______. Group of answer choices the same species; biological species concept AND morphological species concept the same species; biological species concept (only) different species; morphological species concept AND biological species concept the same species; morphological species concept (only) different species; morphological species concept (only)
What is Allopatric speciation? A) When a population is separated from the main group by a barrier and becomes a new species B) When a population mutates into a new species C) When a population develops into a new species without any physical barriers to isolate them
What are the most common mechanisms of sympatric speciation and in which major group of organisms does this happen most often? Distinguish between sympatric and allopatric and parapatric speciation. Which is considered the (far) more common mechanism of species formation? What does "gene flow" between populations do? Maximum of 1800 words
There is a fish species that lives in a lake. As the fish population grows, competition for food increases and a group of fish locates a new food source at a different depth in the lake. Over time, two populations with distinct morphologies that allow them to eat various food sources begins to occur in the lake. Which type of speciation (allopatric or sympatric) will mostly likely occur? Why?

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	Macroevolution occurs on a smaller scale with only one species. Microevolution occurs on a larger scale and includes several different species changing at once.
	Microevolution occurs when there is a change within a population of a given species. Macroevolution occurs when one species changes into a completely new species.
	Macroevolution occurs when there is a change within a population of a given species. Microevolution occurs when one species changes into a completely new species.
	Microevolution occurs on a smaller scale with only one species. Macroevolution occurs on a larger scale and includes several different species changing at once.