Some more DNA-dependent RNA polymerases have been identified in recent years, These are found only in plants, where they transcribe small interfering RNAs involved in transcriptional silencing;

#Question id: 9226

#Unit 9. Diversity of Life Forms

The main purpose of movement corridors is to ________.

#Question id: 9227

#Unit 9. Diversity of Life Forms

A land developer and several ecologists are discussing how a parcel of private land should be developed with housing while saving 20 hectares as natural habitat. The land developer suggests that the 20 hectares be divided into 20 separate 1-hectare areas, spread out across the area. The ecologists suggest that it would be better to have one intact parcel of 20 hectares on one side of the larger area. What is the significance of these different arrangements of the 20 hectares?

#Question id: 9228

#Unit 9. Diversity of Life Forms

Use the following figure to answer the question

Looking at the figure showing the results of forest fragmentation, what can be said about edge effects?

#Question id: 9229

#Unit 9. Diversity of Life Forms

Which of the following is a generally accurate statement about the current research regarding forest fragmentation?

#Question id: 9230

#Unit 9. Diversity of Life Forms

Brown-headed cowbirds utilize fragmented forests effectively by ________.

#Question id: 9231

#Unit 9. Diversity of Life Forms

Movement corridors can be harmful to certain species because they ________.