Hybrids between some related species of plants are sterile because the parent plants had different chromosome numbers. Occasionally the chromosome number of such a hybrid  plant doubles spontaneously. Which of the following best describes the descendants of those plants with the double chromosome number?

TLS Online TPP Program

#Question id: 9207

#Section 5: Applied Ecology & Evolution

Loss of biodiversity matters not only with regard to mammals or other vertebrates, but also microbes. Why are microbes worthy of discovery and protection from extinction?

TLS Online TPP Program

#Question id: 9209

#Section 5: Applied Ecology & Evolution

Introduced species can have deleterious effects on biological communities by ________.

TLS Online TPP Program

#Question id: 9211

#Section 5: Applied Ecology & Evolution

Of the following ecosystem types, which have been impacted the most by humans?

TLS Online TPP Program

#Question id: 9215

#Section 5: Applied Ecology & Evolution

Use the following figure to answer the question

Five new individuals were added to a small population of bighorn sheep in 1986, and ten more were added between 1990 and 1994. According to the figure, what occurred in this population after these additions?

TLS Online TPP Program

#Question id: 9225

#Section 5: Applied Ecology & Evolution

Use the following figure to answer the question

In looking at the species-area plot in the figure, what can be concluded?

TLS Online TPP Program

#Question id: 9232

#Section 5: Applied Ecology & Evolution

Establishing new nature reserves in biodiversity hot spots may not necessarily the best choice because ________.