TLS Online TPP Program

#Question id: 13022


A certain species of pine tree survives only in scattered locations at elevations above 2,800 m in the western United States. To understand why this tree grows only in these specific places an ecologist should

#Unit 10. Ecological Principles
  1. Conclude that lower elevations are limiting to the survival of this species.
  2. Study the anatomy and physiology of this species.
  3. Investigate the various biotic and abiotic factors that are unique to high altitude.
  4. Analyze the soils found in the vicinity of these trees, looking for unique chemicals that may support their growth.
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TLS Online TPP Program

#Question id: 11404

#Unit 10. Ecological Principles

You were discovered 4 species in forest, their characteristic as following,

A specie eat only bamboo;

B species eat fruits of many tree species;

C species Short life span;

D species low population variability .

Which of the following species characteristics have been proposed as more prone to extinct?

TLS Online TPP Program

#Question id: 11405

#Unit 10. Ecological Principles

Vulnerability to extinction can be linked to species following characteristics. Which of the following statement are correct?

A. Endemism species are more prone to extinction than fragmented

B. Species that are capable of migrating between fragments of habitat, such as between mainland areas and islands, may be more resistant to extinction

C. Population variability species are less prone to extinct

D. Species with naturally long life spans may be more likely to become extinct

TLS Online TPP Program

#Question id: 11406

#Unit 10. Ecological Principles

Which of the following is true for a critically endangered species?

TLS Online TPP Program

#Question id: 11407

#Unit 10. Ecological Principles

Which of the following is incorrect statement?

TLS Online TPP Program

#Question id: 11408

#Unit 10. Ecological Principles

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

TLS Online TPP Program

#Question id: 11409

#Unit 10. Ecological Principles

Species characteristics that make them less prone to extinction are listed below:

A. Narrow niche and specialized

B. High dispersal power

C. High trophic status

D. Long life span

Which of the following is the correct combination?