The sori of most ferns are found on which part of the plant?
a. fronds
b. prothalli
c. rhizomes
d. antheridia
e. fiddleheads
a
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Cystic fibrosis is a genetic disorder that results in mucus build-up in the lungs and subsequent breathing difficulties;
therefore, ____________________ cells would be the target for somatic gene therapy to cure this condition. Fill in the blank(s) with the appropriate word(s).
A species' numbers are so severely reduced that it is in imminent danger of extinction throughout all or a significant
part of its range. This species would be considered:a. extinct. b. extant. c. endangered. d. threatened. e. endemic.
The principle of competitive exclusion states that no two species with the same niche can coexist indefinitely when resources are limiting.
Answer the following statement true (T) or false (F)
If one wanted to find the largest number of endemic species, one should visit which of the following geological features
A) an isolated ocean island in the tropics B) an extensive mountain range C) a midcontinental grassland with extreme climatic conditions D) a shallow estuary on a warm-water coast