Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants?

TLS Online TPP Program

#Question id: 12421

#Unit 10. Ecological Principles

If λ=1, then the number of females in the population is

TLS Online TPP Program

#Question id: 12422

#Unit 10. Ecological Principles

What would be the doubling time of a population with an intrinsic rate of increase (r) of 0.024? 

TLS Online TPP Program

#Question id: 12423

#Unit 10. Ecological Principles

A population at K is

TLS Online TPP Program

#Question id: 12424

#Unit 10. Ecological Principles

The logistic model predicts a population growth curve that approximates the shape of a(n)

TLS Online TPP Program

#Question id: 12425

#Unit 10. Ecological Principles

Currently, the major cause of extinction is

TLS Online TPP Program

#Question id: 12437

#Unit 10. Ecological Principles

An earthquake that kills an entire population of koalas would be