BIOL 1902 Lecture Notes - Lecture 1: Snowshoe Hare, Treehopper, Supreme Headquarters Allied Powers Europe
24 Oct 2018
School
Department
Course
Professor
Document Summary
Dealing with the properties of natural objects, plants or animals; scientific account of any subject on similar lines. Naturalist: one who makes a special study of animals or plants (less precise) Five challenges plants and animals face: 1-3 on midterm: stay alive. Defenses: animals: appearances camouflage= concealment: a method of cryptic (hiding), which allows an otherwise visible organism or object to remain unnoticed by blending in with its environment. ~gray tree frog: changes its colour depending on its background: background matching: body has the same form of patterns as the environment around them. In the winter half the body freezes (mimics) environment (brown in summer, white in winter) ~snowshoe hare: seasonally changes its colours to match their: every habitat has general patterns (grasslands (fields, meadows) have vertical lines) ~eye lines and eye stripes of songbirds (important when sitting on. ~eastern chipmunks- strips and lines on back and face.
