Choose which applies to the sympathetic nervous system.
a. it stimulates digestion
b. it is called rest-and-digest system
c. it increases heart rate
d. all of these
Answer: c. it increases heart rate
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Depending on their environments, animals may gain water (select all correct choices):
A. by drinking. B. from food. C. during cellular respiration. D. through their lungs. E. during excretion.
Answer the following statements true (T) or false (F)
1. The word meristem is derived from a Greek word meaning to divide. 2. The root zone of maturation is immediately above the root apical meristem (RAM). 3. The root hairs develop in the zone of elongation. 4. The direction in which a plant cell expands depends on the arrangement of cellulose microfibrils in its cell wall.
Complement proteins can form a system of proteins that create a pore in the membranes of bacteria. This system is called the ____________________
Fill in the blank(s) with correct word
Anatomically, Lystrosaurus _____
A) would have had a lower jaw that consisted of a single pair of bones B) was a tetrapod C) had skin without scales, typical of modern amphibians D) would have had no temporal fenestra in its skull