'Large body size' diaporamas de présentation

Conservation Genetics

Conservation Genetics. Why should we be concerned with genetic diversity when more severe threats threaten entire systems? First , the rate of evolutionary change in a population is proportional to the amount of genetic diversity available Fundamental Theorem of Natural Selection.

1.42k views • 55 slides

Biogeography of Hawaii

Biogeography of Hawaii. Volcano tops from Ocean Floor Remote Colonization Rare Adaptive Radiation of Founder Species. Diagrams in this lecture are liberally adapted from:

751 views • 34 slides

Population Dynamics

Population Dynamics. Population Dynamics. Population: all the individuals of a species that live together in an area Demography: the statistical study of populations, make predictions about how a population will change . Population Dynamics. Three Key Features of Populations Size

442 views • 31 slides

Chapter 14 Animals of the Pelagic Environment

Chapter 14 Animals of the Pelagic Environment. Essentials of Oceanography 7 th Edition. Pelagic organisms. Organisms that live in the pelagic environment: Live suspended within the water column Can float or swim Have adaptations that allow them to stay above the ocean floor.

1.21k views • 28 slides

Consumer-resource Interactions (Chapter 17)

Consumer-resource Interactions (Chapter 17). Overview of community interactions Predator-prey relationships Host-parasite relationships Herbivore-plant relationships. Types of consumer-resource interactions.

477 views • 28 slides

Chapter 14 Animals of the Pelagic Environment

Chapter 14 Animals of the Pelagic Environment. Essentials of Oceanography 7 th Edition. Pelagic organisms. Organisms that live in the pelagic environment: Live suspended within the water column Can float or swim Have adaptations that allow them to stay above the ocean floor.

834 views • 28 slides

Chapter 14 Animals of the Pelagic Environment

Chapter 14 Animals of the Pelagic Environment. Essentials of Oceanography 7 th Edition. Pelagic organisms. Organisms that live in the pelagic environment: Live suspended within the water column Can float or swim Have adaptations that allow them to stay above the ocean floor.

414 views • 28 slides

Animals over Winter

755 views • 25 slides

Why is an elephant so big

Why is an elephant so big. FORM, FUNCTION AND BODY SIZE IN VERTEBRATES. Dr.S.N.Hegde Professor, Department of Zoology University of Mysore Mysore - 570006. Body size, form are adaptive traits Largest vertebrate is one million times larger than the smallest Relation between habits and size

341 views • 23 slides

Speciation and Extinction

Speciation and Extinction. Biogeography October 29 - Nov 2. Defining a species Morphological definition Biological definition Subspecies Mechanisms of Speciation Genetic drift Natural selection Gene flow Types of Speciation Allopatric speciation Sympatric speciation. Other Issues

1.71k views • 18 slides

Characteristics of Invasive Species

Characteristics of Invasive Species. Who is likely to be successful?. Abundance in native land Widespread distribution Great dispersal or migratory tendencies r-selected-high seed production or dispersal abilities Early maturation Large body size Small body size

368 views • 17 slides

PROBOSCIDEA and the Subungulate Radiation

PROBOSCIDEA and the Subungulate Radiation. Mammalogy EEOB 625 8 March 2004. The Subungulate Radiation. Orders Proboscidea, Hyracoidea, & Sirenia Descendants of a common ancestor: Condylartha , but does this make them close all that closely related?

593 views • 16 slides

Reproduction and Niches

Reproduction and Niches. ES 100 August 20, 2007. Do well in variable climate or with disturbance Population boom and bust cycles Rapid development Early reproduction Small body size Single reproductive effort. Do well in stable climate Population carrying capacity Slow development

354 views • 15 slides