Which of the following stimuli do vertebrates not have a specialized receptor for?
A. Smell
B. Humidity
C. Vision
D. Hearing
E. Taste
Answer: B
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Geographic biodiversity "hot spots"
A. have the highest vascular plant species richness and ?3 unique ecosystems. B. have the greatest number of species that have lost >50% of their original range. C. contain ?10% of the world's vascular plant species and have lost >50% of their original range. D. have ?1500 endemic plant species and have lost ?70% of the original habitat.
Which of the following is(are) characteristic of
some amphibians? a. gills b. exchange of some gases occurs across their skin. c. lungs for oxygen uptake d. skin for carbon dioxide removal e. all of these
Charlotte liked to have a suntan all of the time, so she never wore sunscreen at the beach or in the tanning salon. During a visit to her doctor, she was told that she has the most common form of skin cancer
She will be all right, but she should avoid prolonged exposure to UV radiation in the future. Which skin cancer does she have? A) melanoma B) squamous cell carcinoma C) sebaceous carcinoma D) basal cell carcinoma
The formation of a zygote and a cell with a triploid nucleus is unique to flowering plants. What is this process called?
A) fertilization B) double fertilization C) germination D) pollination