Home
Class 12
BIOLOGY
Answer whether the following statements ...

Answer whether the following statements are true of false :
a. An ecological pyramid represents the species structure of a biotic community.
b. A number pyramid or biomass pyramid can be either vertical or inverted, but an energy pyramid is always vertical obeying the principles of thermodynamics.

Text Solution

Verified by Experts

a. False
b. True
Promotional Banner

Topper's Solved these Questions

  • ECOSYSTEM

    NEW JOYTHI PUBLICATION|Exercise Previous Entrance Exam Corner|13 Videos

  • ECOSYSTEM

    NEW JOYTHI PUBLICATION|Exercise CBSE Corner|2 Videos

  • ECOSYSTEM

    NEW JOYTHI PUBLICATION|Exercise Questions from EDUMATE|6 Videos

  • CBSE QUESTIONS

    NEW JOYTHI PUBLICATION|Exercise BIODIVERSITY AND CONSERVATION|2 Videos

  • ENVIRONMENTAL ISSUES

    NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUTION (PROJECT)|2 Videos

Similar Questions

Explore conceptually related problems

State whether the following statements are true or false. Give reasons for your answers. Square number can be written as the sum of two odd numbers .

"Pyramid" (I) Pyramid of energy is a graphical model of energy flow in a community. (II) Energy pyramid begin with producers at the bottom (III) Pyramid of energy is always upright. (IV) Energy pyramid is always inverted in shape.

State whether the following statements are true or false? Also give reasons for your answers. a) Only one line can pass through a given point. b) All right angles are equal. c) Circles with same radii are equal. d) A line segment can be extended on its both sides endlessly to get a straight line. e) From the figure, AB gt AC .

Name the type of ecosystem that exhibits the following types of pyramid. (a) Inverted pyramid of biomass (b) Spindle shaped pyramid of number

Study the following statements and select the incorrect ones. (i) Pyramids of energy and yearly biomass production can never be inverted, since this would violate the laws of thermodynamics. (ii) Pyramids of standing crop and numbers can be inverted, since the number of organisms at a time does not indicate the amount of energy flowing through the system. (iii) There are certain limitations of ecological pyramids such as they do not take into account the same species belonging to two or more trophic levels. (iv) Saprohytes are not given any place in ecological pyramids even though they play a vital role in the ecosystem.

Study the following ecological pyramids carefully. Mathc the following statements I,ii and iii with gien pyramidsa, B and C and select the correct answer. (i) Inverted pyramid of biomass depicting small standing crop of phytoplanktons supporintg a large standing crop of zooplanktons (ii) Pyramid of numbers in a grassland ecosytems showing about 6 milion producers. (iii) Upright pyramid of biomass

Given figure represents a pyramid of biomass in an aquatic ecosystem. Identify A and B and select the correct answer. (i) A is the crop which supporsts and B is the crop which is supported. (ii) A is the crop which is supported and B is the crop which supports. (iii) A is phytoplanktons and B is zooplanktons. (iv) A is zooplanktons and B is phytoplanktons.