All of the following statements are TRUE about arteries EXCEPT ________.
Fill in the blank(s) with the appropriate word(s).
Answer: arteries have one-way valves
You might also like to view...
Thaumarchaeote archaeons gain energy by oxidizing which of the following molecules?
A. SO4 B. H2O C. NH3 D. C6H12O6 E. H2S
A population of voles (small mammals) live in a shady forest. Originally, the voles are a light tan color, but then a dark brown coloration arises by a new mutation. The darker voles are harder for predators to see in the leaf litter, thus they are less susceptible to predation. After 10 generations the majority of voles in the population are the dark brown color. What type of selection are the population of voles going through? 
A. Negative frequency-dependent selection. B. Directional selection. C. Balancing selection. D. Stabilizing selection. E. Diversifying selection (disruptive selection).
Which of the following contains a carboxyl and an amino group?
A) amino acid B) fat C) sugar D) glucose
If you remove mountain lions from their habitat and the diversity of other species decreases, the mountain lion was likely a
A. predator. B. commensal species. C. carnivore. D. prey. E. producer.