![]() (It is sometimes grouped in the genus Perognathus. The rock pocket mouse,Chaetodipus intermedius, exhibits weak rump spines (see Photo 1 and Photo 2) and has coarse fur. intermedius, is one of 19 species of pocket mice in the genus Chaetodipus. The rock pocket mouse is not found in Iron County, Utah It sets up the next activity, a simulation that explores how this pattern might come to be over many generations. The rock pocket mouse is found in the southeast corner of Kane County and the southwest corner of San Juan County. This video introduces students to the rock pocket mouse, whose coat color tends to match its habitat. The species deposits scat in burrows, so scat is not likely to be easily observed (photo provided depicts the scat of a house mouse, a photo of rock pocket mouse was not provided due to unavailability, but the scat of the two species looks very similar). In the desert, however, there are some patches of darker rocks. It is pellet-shaped, skinny, and about the length of a grain of rice (approximately 0.5 cm). Rock pocket mice live in the lighter colored desert habitats of the United States and Mexico. Scat ranges in color from dark green to black. Back tracks tend to be closer together than front tracks, as exhibited in Photo 3. a population of pocket mice through a video clip and then applying their knowledge through a simulation game. Front tracks tend to be smaller than back tracks. The front vestigial thumb is not usually seen in tracks (see Photo 3). Tracks consist of 5 front toes and 4 back toes. They are small and unimposing with small, round. The species prefers rocky areas with large boulders and are rarely found in silt soil areas. At White Sands, we’ve found four of these species: the rock pocket mouse ( Chaetodipus intermedius ), the Chihuahuan pocket mouse ( Chaetodipus eremicus ), the silky pocket mouse ( Perognathus flavus ), and the plains pocket mouse ( Perognathus flavescens ). The species is strictly nocturnal, therefore they most likely will not be seen in daylight. Both color variations exhibit a white underside (see Photo 1 and Photo 2). ![]() The Making of the Fittest: Natural Selection. Light-colored mice are found in habitats with light colored rocks and sandy soils. View Copy of Collins Rock Pocket Mouse Video QuestionsAssessment.docx from ENGLISH 11 at Stagg Senior High. ![]() Dark-colored rock pocket mice are found in habitats where there is an abundant amount of black lava rock. The two variations are dark brown-black and light brown (ancestral variation). The species has adapted color variation, in order to better survive in changing habitats. The species grows to be approximately 18 cm long, with the tail equaling 10 cm of the total length. on light coloured pocket mice has resulted in a natural selection for darker. The rock pocket mouse, Chaetodipus intermedius, exhibits weak rump spines (see Photo 1 and Photo 2) and has coarse fur. Use a video and associated reading that shows that climate change can be a. ![]()
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