Cattle egrets hitch a ride on domestic cows and eat insects that are stirred up by their activity. What term describes this relationship?
A) commensalism
B) competition
C) predation
D) parasitism
A
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Why can a skin test be used to detect an infection associated with the lungs as in the case of TB?
A. Skin is a type of epithelial tissue, just like lung tissue. B. TB exposure can also occur on the skin. C. Memory T cells and B cells are present throughout the immune system. D. All of the answer options are correct.
Vessel elements and tracheids develop and become specialized hollow cells via the process of programmed cell death,
also called apoptosis. Indicate whether the statement is true or false.
It has been determined from several human disease samples that bacteria exist that are 16S rRNA sequenced to be Gram-positive, but morphologically double-membraned like Gram-negatives, therefore requiring a new class.
Answer the following statement true (T) or false (F)
Which of the following are second line defenses? Select All That Apply
What will be an ideal response?