Transport of water and solutes from the interstitial fluid into the peritubular capillaries occurs by ultrafiltration.

TLS Online TPP Program

#Id: 5507

#Unit 10. Ecological Principles

The proportion of occupied patches will stabilize over time to 1− (x/m) x is the extinction rate of populations in patches per unit time m is the rate of movement between patches

TLS Online TPP Program

#Id: 5508

#Unit 10. Ecological Principles

                                                                                                                                               

TLS Online TPP Program

#Id: 5509

#Unit 10. Ecological Principles

Different kinds of metapopulations

TLS Online TPP Program

#Id: 5510

#Unit 10. Ecological Principles

TLS Online TPP Program

#Id: 5511

#Unit 10. Ecological Principles

Populations of some species are prone to extinction for two reasons

1. The landscapes they live in are patchy (making dispersal between populations difficult).

2. Environmental conditions often change in a rapid and unpredictable manner.

TLS Online TPP Program

#Id: 5513

#Unit 10. Ecological Principles

The size of a population is determined by a balance between births, immigration, deaths and emigration.