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This is a scleractinian coral on a Panamanian reef that has partially bleached due to stress. While the cause of stress is unclear, the amount of sediment around suggests that water clarity may have been a factor. Bleaching occurs when coral polyps release their zooxanthellae (algal symbionts), cutting off a primary source of sugars. Death of this coral will further degrade the habitat structure on the reef and encourage macroalgal growth.
Taking the first steps toward improved fitness may be as easy as registering for the fall edition of Walk Across Arkansas, a program that rang up an estimated quarter million dollars in healthcare savings during its eight-week run in the spring.
Fall Walk Across Arkansas begins Sept. 29. Participants may register online at www.walk.uaex.edu or at their county extension office if they don’t have internet access.
New Student Orientation - Fall 2019 - Southeastern Baptist Theological Seminary + The College at Southeastern
This image of a spotted orb-weaver, or Neoscona crucifera, was taken at night outside of my apartment. You can see the intricate web pattern that this spider creates in order to catch its prey. The spotted orb-weaver is a good example of a carnivorous sit and wait predator, also called an ambush predator. The spiders create a large area of webbing in their territory, a trap, and wait motionless until their prey makes contact with their web. The spiders then rush their prey and then further confine them by wrapping them in layers of webbing. After this, the spider is able to consume their prey.