Defecation

a. is initiated by distension of the wall of the colon.

b. depends on voluntary control of the external sphincter of the anus.

c. depends on the motor impulses from sympathetic pathways.

d. decreases pressure in the rectum.

Living things within an ecosystem

What ions are present in the salt that forms

What did you include in your response? Check all of the boxes that apply. The Abert's squirrel is found on the south rim of the grand canyon and surrounding states. The Kaibab squirrel can only be found at the north rim of the canyon.

In the United States there are many types of rabbits. Four different species can have four different ranges or habitats. In which range would developing white fur in winter most likely not be an advantage? A.

Before cellular respiration glucose must be broken down by the process

What is true about web based email? A. it can never be used in evidence B. it is downloaded to the hard drive of a computer C. it is sometimes a stored on the computer like other web pages D. none of the above

Crude oil is composed of: a. Fatty acids c. Metal oxides b. Hydrocarbons d. Halogens

What might introduction of exotic species disrupt an ecosystem

Will aluminum gain or lose electron and why?

What photosynthesis byproduct product is formed in the light reactions?