Four of the five groups listed below have single-celled members. Select the exception
a. brown algae
b. dinoflagellates
c. green algae
d. diatoms
e. red algae
a
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In a survivorship curve, a type II species, like a song bird, is a species that has
A. the highest probability of dying as it reaches its maximum life span. B. an extremely short life span. C. a strong possibility of becoming extinct in a relatively short period of time. D. an equal probability of dying at any age. E. the highest probability of dying at a very young age.
In algae, gametangia are generally unicellular
_________________ Indicate whether the statement is true or false.
Allergy is a ____ response to ____ antigens
a. hypersensitive; environmental b. hyposensitive; cellular c. normal level; microbial d. mixed; protein e. mixed; microbial
A pedigree of an autosomal dominant trait will likely show all of the following characteristics EXCEPT:
a) Skipping of a generation b) Equal numbers of males and females affected c) Unaffected individuals do not pass on the trait d) 1/2 of the offspring of an affected individual are usually predicted to have the trait