A certain species of pine tree survives only in scattered locations at elevations above 2,800 meters in the western United States. To understand why

this tree grows only in these specific places, an ecologist should ________.

#Question id: 355

#SCPH05 I Biotechnology

Measurements show that the pH of a particular lake is 4.0. What is the hydroxide ion concentration of the lake?

#Question id: 18380

#SCPH05 I Biotechnology

#Question id: 99

#I Life Science/ Life Sciences Group – I-V

Which of the following are the main reasons that glycoproteins are so diverse when compared to other proteoglycans are

A) they may contain different sugars in different combinations and chain lengths.

B) β or a-glycosidic linkages may join various carbon atoms in the sugars.

C) they are found in both bacterial, plant and animal cells.

#Question id: 11408

#SCPH06 I Botany

According to IUCN red list criteria , a species would be classified on the basis of following criteria are a- >50 decline in population during last 10 year b-occur in area less than 20,000 sq km c- total adult population less than 2500 Above observation which of the following class of IUCN

#Question id: 75

#SCPH06 I Botany

The experimental approach taken in current biological investigations presumes that ________.