stem cells have the potential to differentiate into almost any cell in the embryo. They are primarily involved in growth and development, termed as

#Question id: 11444

#Unit 10. Ecological Principles

Ecologist have proposed following explanation to lead maximize biodiversity at tropic.

A. Higher productivity in the tropics allows for more species present

 B. Old communities have greater species than younger community

 C. Natural enemies such as predators and parasite limit competition in the tropics, which allows more species to coexist

D. Very less intensity of disturbances in the tropics promote high succession diversity

#Question id: 11509

#Unit 10. Ecological Principles

What is value of net reproductive rate?

#Question id: 11510

#Unit 10. Ecological Principles

Life history trait varies environmental condition, both survivorship and fecundity is habitat dependent in practice but intrinsic rate of increase can change as environmental change. Following life history trait is characteristic of r-selected species?

A) Later age at first reproduction                    B) Long generation time

C) Multiple broods per life spans                    D) Large number of offspring per brood

#Question id: 11511

#Unit 10. Ecological Principles

A metapopulation is

#Question id: 11512

#Unit 10. Ecological Principles

The mortality rate of organisms following a type iii survivorship curve is

#Question id: 11513

#Unit 10. Ecological Principles

Organisms whose life history adaptation is called semelparity