Archaeans and bacteria are generally included in the:
a. seston.
b. tripton.
c. bacterioplankton.
d. viriplankton.
e. pleuston.
C
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Which of the following cell structures are present in sieve elements, but not in mature vessel elements? Choose all that apply
A. nucleus B. mitochondria C. cell wall D. cytoplasm E. smooth endoplasmic reticulum
When blood leaves the lungs, where does it go next?
a. the left side of the heart b. out to the body c. the right side of the heart d. up to the brain
To reduce water loss, stems and leaves are covered with a(n) ________
Fill in the blank(s) with correct word
Which meal is high in fiber, low in saturated fats, and high in unsaturated fats?
A) beef, potatoes, and carrots B) eggs and bacon C) black beans, cheese, lettuce, and sour cream D) spaghetti noodles with olive oil and broccoli