Species often arrive at an area by catching a ride on other…
Species often arrive at an area by catching a ride on other species—including hosts. For example, a strain of cholera common in Nepal was introduced to Haiti in 2010 by infected UN workers who traveled from Nepal to Haiti. With respect to the cholera pathogen, what type of dispersal is this an example of?
Read DetailsPlease use the following information to answer the question(…
Please use the following information to answer the question(s) below.Three forest areas are being considered for a conservation reserve. Each area contains the same number of trees and is the same cumulative size. The area surrounding the forest patches is a mix of agricultural land and residential homes.The American lady butterfly (Vanessa virginiensis) inhabits only forest edges and does not disperse well across unsuitable habitat. Which of the following area(s) would support the highest numbers of this butterfly?
Read DetailsBullfrog tadpoles are often sold as fish bait, even in areas…
Bullfrog tadpoles are often sold as fish bait, even in areas where they do not occur naturally. When people buy 10 of them and don’t use them all, they often dump the remainder into the lake or river. This is an example of ________.
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Please use the following information to answer the question(s) below.Three forest areas are being considered for a conservation reserve. Each area contains the same number of trees and is the same cumulative size. The area surrounding the forest patches is a mix of agricultural land and residential homes.Which area(s) would be most suitable for conserving amphibians, which are highly susceptible to a pathogenic (disease-causing) chytrid fungus?
Read DetailsIn the following figure, the isthmus separates the Pacific O…
In the following figure, the isthmus separates the Pacific Ocean on the left (side A) from the Caribbean (Atlantic Ocean) on the right (side B). The seawater on either side of the isthmus is separated into five depth habitats (15), with 1 being the shallowest.Which of these habitats is likely to harbor the most recently diverged species?
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