The image in the above photograph is a prime
example of
a. double mutualism.
b. associative commensalism.
c. interference competition.
d. team predation.
e. parasitism.
C
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The following question(s) relate to the data table below, showing typical fluctuating pH and dissolved oxygen levels in a fish pond with a heavy concentration of algae over a 24-hour period.TimeOxygen (ppm)pH2 a.m.4.57.74 a.m.2.87.26 a.m.2.26.88 a.m.2.56.810 a.m.3.97.2Noon6.57.72 p.m.10.08.34 p.m.12.18.86 p.m.13.19.28 p.m.13.09.210 p.m.12.08.8Midnight10.88.3In such a pond that contains algae and fish, what is happening to the oxygen?
A. Oxygen is only consumed by the fish B. Oxygen is only consumed by both the algae and the fish C. Oxygen is only produced by the algae D. Oxygen is produced by the algae, and consumed by the algae and the fish
Progeria is a genetic condition that causes
a. pattern baldness as early as age twenty. b. socially inappropriate vocal outbursts and muscular twitches. c. a high incidence of cancer with any exposure to sunlight. d. muscular and mental deterioration shortly after puberty. e. premature aging which typically leads to death in the early teens.
Is it likely that a small, hydrophilic hormone can cross the cell membrane?
What will be an ideal response?
Which protein is needed to lay down a segment of RNA complementary to the DNA before replication can begin?
A) RNA polymerase II B) primase C) helicase D) topoisomerase E) ligase