One of the early groups of organisms to evolve is the placozoans. Placozoans have some similar characteristics to fungi. Which of the following is not a characteristic that is shared by fungi and placazoans?
A. upper and lower epithelial layers
B. high surface area-to-volume ratio
C. gas exchange via diffusion
D. extracellular digestion
A
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In flowering plants, the ovary might appear above the other flower parts or below them. What is the name for those that have ovaries below the other flower parts?
a. under-ovaries b. hypoflourescence c. inferior d. imperfect
The problem with defining abnormal behavior is that ____
a. too many disorders have similar phenotypes b. some behaviors are not abnormal, but simply variants c. biological factors related to abnormal behavior are not known d. mental illness is multifactorial, and therefore, cannot be defined e. twin concordance studies mental illness is due mostly to environmental components
"N" is the chemical symbol for
A. nickel. B. neon. C. nitrogen. D. magnesium. E. copper.
Images of living specimens can be produced using atomic force microscopes
Indicate whether the statement is true or false