Bird guides once listed the Myrtle warbler and Audubon's warbler as distinct species, but applying the biological species concept, recent books show them as eastern and western forms of a single species, the yellow-rumped warbler. Experts must have found that the two kinds of warblers:   Question 10 options:   live in the same area.   successfully interbreed in nature.   look enough alike to be considered one species.   are reproductively isolated from each other.   are allopatric.

A population of insects is composed of individuals with red bodies and individuals with yellow bodies. A storm moves a small group of red insects to a new location where they thrive as a new population. What has occurred in the new population?* Bottleneck effect Sympatric speciation Founder effect Temporal isolation All living organisms use DNA and RNA as their genetic code roundworms, in fact, have 25% of their DNA in common while humans and chimpanzees have 98% in common. What type of evidence of evolution is this? * Comparative embryology

Which of the following would NOT be a reason for a speciation event? Group of answer choices comfortable environmental conditions plentiful food supplies very few natural disasters and/or catastrophic events increased amounts of predators lack of predators

Synthesis:  How does reproductive isolation differ in sympatric modes and allopatric modes of speciation?

Speciation can occur when two populations of a species become separated from each other. What is the best explanation for why speciation occurs?

What are three biological ways in which diversity and variation arises in individuals of species? In other words, why do siblings not look exactly alike? Answer:

Which of the following is a post -zygotic barrier that can cause reproductive isolation ? Two fish who live in different location in a lake and don't come into contact often enough to breed . Two fish who breed at different times of the year . The hybrid offspring of two fish species cannot reproduce .

Imagine three islands, each with a population of frogs. There are approximately 1,100 frogs on Island 1, 400 on Island 2, and 400 on Island 3. Researchers estimate that these populations have been separated for 800 years. Individuals in these populations show variation in markings on their body by shape and color. Frogs on Islands 1 and 2 have circle markings that are either red, blue, or purple. All frogs on Island 3 have yellow triangle markings.  The islands recently became a tourist destination, with new passenger boats connecting Island 1 and Island 2, and Island 1 and Island 3 (there is no boat that goes between Island 2 and Island 3).   Would a biologist agree or disagree with the following statements?  part 1:  It is possible that yellow or triangle markings exists on Island 1 at some point in the past. Question options:   Agree   Disagree part 2:  Genetic drift is not occurring on Island 1.   Question options:…

Through the human introduction of invasive species and forced migration of various species such as pack mules, elk, and hog-nosed skunks into the Kaibab squirrels’ habitat, scientists hypothesize two outcomes that might occur to the squirrel population. Examine the following null hypotheses formulated to explain rates of speciation and extinction of the Kaibab squirrel population as an influx of species continues to migrate into their niche. Null Hypothesis: The rate of speciation (C) remains steady when species compete for available resources while all will continue toward extinction (B). Which of the following graphically depicts the alternative hypotheses?

Choose between true or false in each statement.