'Births immigration deaths emigration' diaporamas de présentation

What is an Ecosystem?

What is an Ecosystem?. An ecosystem refers to the natural systems in which energy is passed from one organism to another and matter is recycled. An ecosystem includes all of the biotic and abiotic factors which are interrelated in an area. Ecology.

1.36k views • 93 slides

Chapter 5 Biodiversity, Species Interactions, and Population Control

Chapter 5 Biodiversity, Species Interactions, and Population Control. Core Case Study: Southern Sea Otters: Are They Back from the Brink of Extinction?. Habitat Hunted: early 1900s Partial recovery Why care about sea otters? Ethics Tourism dollars Keystone species. Southern Sea Otter.

695 views • 69 slides

Meadows Beyond the Limits

622 views • 62 slides

736 views • 56 slides

Population Ecology

Population Ecology. Population Demographics. Demographics are the various characteristics of a population including, Population Size, Age Structure, Density, and Distribution Demographics allow one to determine the ecological and evolutionary relationships between various species populations.

300 views • 17 slides