Multiple lines of evidence indicate that complex multicellularity has evolved at least six different times. Which of the following superkingdoms include organisms that exhibit complex multicellularity?
A. Opisthokonta, Archaeplastida,
Stramenopila
B. Opisthokonta, Amoebozoa,
Archaeplastida, Stramenopila
C. plants, animals, fungi, slime molds
D. plants, animals, fungi, slime molds, red
algae, green algae, brown algae
E. green algae (and land plants), red algae,
brown algae, animals, fungi, slime molds
A
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Which statement best describes the interactive view of communities?
a. Species exhibit similar distributions along environmental gradients, and the boundaries between communities are sharp. b. Species distributions are independent, and the boundaries between communities are wide transition zones. c. Species exhibit similar distributions along environmental gradients, and the boundaries between communities are wide transition zones. d. Species distributions are independent, and the boundaries between communities are sharp. e. Species exhibit the same distribution along environmental gradients, and there are no boundaries between communities.
Which variable will cause a population to not be stable?
a. Very large population b. Lack of mutations c. Not all individuals survive d. Isolation of the population e. Random mating
Which of the following substances contributes to the edema associated with inflammation?
A) leukotrienes B) histamine C) interferon D) defensin E) both leukotrienes and histamine
A chameleon avoiding predation by being colored similarly to its surroundings demonstrates which strategy?
What will be an ideal response?