The flat-tailed horned lizard is endemic to the Sonoran Desert ecosystem of the southwestern United States. Its habitat is generally confined to the fine sand of the desert scrub community. These lizards tend to live in open areas with sparse vegetation and are hunted by some species of birds, including loggerhead shrikes. To avoid predation, the species blends in with its environment and has evolved a squat posture to avoid casting a shadow. Arrange the levels of the horned lizard's ecological hierarchy.

The procces of farming organism from the sea is ?

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population

The kidney filters potentially toxic substances in the blood, and thus “clears” the blood of those substances. this clearance function is dependent upon and proportional to the diffusion gradient of the substance across filtering capillaries, i. e. if the concentration of the substance is doubled, twice as much will be cleared from each ml of blood that is filtered. suppose that the body produces a constant amount of a substance x per unit of time. the kidneys eliminate substance x at a rate directly proportional to the concentration of the substance and the volume of blood cleared each minute (c): elimination = c × [x], where [x] is the steady-state concentration of substance x. imagine an individual with an initial concentration of x equal to [x]0 who develops kidney disease. her baseline clearance c0 drops to one half of the original (½c0). what is the new steady state concentration of x? (for simplicity, assume that substance x is 100% filtered by the kidney).