This activity shows all the steps of natural selection in entertaining style, but generates real simulation data that can be exported or printed.This is an outdoor lesson. Watch a trait evolve and experiment with the effects of mutation rate and the strength of selection. During the day, peppered moths rest on tree trunks and branches.A humorous but powerful tool for simulating evolution. You will analyze one example – natural selection in peppered moths. Natural Selection and the Peppered Moth Scientists have observed natural selection in action in multiple types of animals, plants and microorganisms. Members of the same species show variation in characteristics 4.III. Populations remain more or less constant in numbers 3. All organisms produce more offspring than survive to adulthood 2. You will analyze one example - natural selection in peppered moths.Charles Darwin developed his theory of evolution by natural selection using four important observations: 1. You could have practice days leading up to Australia Day so contestants can practice their skills at throwing the thongs. Have prizes for the longest throw and a prize for second place. comSled wars gizmo answer key activity b - villardigital library for The aim of the game is to throw the rubber thong the furtherest. Weathering Gizmo Answer Key Activity C › Athens Mutual. Valentine’s Day in …Activity C: Genetic diversity. Below you’ll find a new set of printable cards in Spanish and a great selection of Spanish Valentine’s Day activities to try in class or at home. It is a day to focus on love and friendship, and Valentine cards contribute a built-in language component. Check out this fun webquest that goes with this game!Valentine’s Day is one of my favorite holidays to celebrate with Spanish learners. 49:570-572.Natural selection fun activity Learn about evolution by natural selection while you play this entertaining education game. Partial contact as a stimulus to laboratory mating in the desert pocket mouse, Perognathus penicillatus. Temporal fluctuations in density and diversity of desert rodent populations. Population ecology of desert rodent communities: habitats and environmental complexity. Habitat selection experiments with a pair of coexisting heteromyid rodent species. Life history notes on Price and Bailey pocket mice of southern Arizona. Notes on the life history of the sand pocket mouse. Sources & ReferencesĬalifornia Department of Fish and Game, 1999. Predators include owls, snakes, and predatory mammals. Competitors include other heteromyids, especially Dipodomys merriami, and cricetids.

Niche: The desert pocket mouse is a small-bodied granivore, specialized for extreme arid environments. Litter size averages 4 young (range 1-7) (Reynolds and Haskell 1949, Wilken and Ostwald 1968). Reproduction: Breeds from February to September, though most activity is in April-May (Whitford 1976). In southern Arizona, home range varied from 0.1 to 0.2 ha (0.25 to 0.5 ac) (Reynolds and Haskell 1949). Home Range: In Arizona, high densities were observed in sandy/gravelly plots with saltbush and mesquite (Arnold 1942). In California, may be active year-round, though inactive in winter in southern Arizona (Hall 1946, Arnold 1942). Species Life HistoryĪctivity Patterns: Nocturnal. Pattern: Silty, sandy, or gravelly substrate with sparse to moderate canopy is preferred. Water: No direct evidence, but probably obtains water from food. Reproduction: Young are born and raised in nest chambers within the burrow. Generally associated with moderate canopy but experimental removal of canopy did not result in fewer desert pocket mice (Rosensweig 1973). Green vegetation and insects also are eaten (Arnold 1942, Reynolds and Haskell 1949).Ĭover: Burrows are excavated in silty, sandy, or gravelly soil and used for refuges, seed storage, and neonatal care. Seeds are stored in burrow and in dispersed caches. Forages on sandy or gravelly soils beneath shrub canopy. Range Mapįeeding: Feeds mainly on seeds of forbs, grasses, and shrubs. Elevational range from below sea level (Death Valley) to 820 m (2700 ft). Locally common resident of desert habitats including desert wash, desert succulent shrub, desert scrub, and alkali desert scrub. east to the Colorado River and south to the border of Mexico. east to central San Bernardino Co., and in the southeast corner of the state from central Riverside Co.

In California, occurs in 3 disjunct populations: in Death Valley National Monument, southeastern Kern and northeastern Los Angeles cos.

Rock pocket mouse activity