Five Hypotheses Explain How Species Richness Affects Community Services, Following statement are given

A) Community services decline with decreased species richness in a stepwise fashion.

B) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

C) Species richness declines even slightly from its natural levels, community services are reduced immediately

D) Community services change as the number of species increases or decreases, but that the direction of change is not predictable.

TLS Online TPP Program

#Question id: 8856

#Unit 9. Diversity of Life Forms

Which of these can be observed in the mesohyl of various undisturbed sponges at one time or another?

1. amoebocytes

2. spicules

3. spongin

4. zygotes

5. choanocytes

TLS Online TPP Program

#Question id: 26943

#Unit 10. Ecological Principles

Population growth for periodic breeders showing initial population size 100, R0=1.2 and t=3, then calculate the population size after time t?

TLS Online TPP Program

#Question id: 24030

#General Aptitude

The right to impart and receive information is guaranteed in the Constitution of India by Article:

TLS Online TPP Program

#Question id: 739

#Unit 1. Molecules and their Interaction Relevant to Biology

What is true about the rotation about bonds in a protein backbone?

TLS Online TPP Program

#Question id: 12061

#Unit 7. System Physiology – Animal

Cystic fibrosis (CF) is an inherited disorder of the exocrine glands, affecting children and young people. Mucus in the exocrine glands becomes thick and sticky and eventually blocks the ducts of these glands (especially in the pancreas, lungs, and liver), forming cysts. A primary disruption in the transfer of which ion across cell membranes occurs in CF leading to decreased secretion of fluid?