An epidemic that spreads worldwide is called a(n)
A. epidemical.
B. endemic.
C. pandemic.
D. syndemic
C
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Among the vascular plants, single-veined leaves are characteristic of the ____
Fill in the blank with the appropriate word.
What is an example of an osmoregulator?
a. Jellyfish b. Fish c. Sea anemones d. Tunicates
If color is an inherited trait in beetles, and birds are more likely to eat brown beetles than green beetles,
A. ,the frequency of the green allele will increase. B. the frequencies of the brown and green alleles will not change. C. this causes the population to evolve due to genetic drift. D. the frequency of the brown allele will increase. E. this causes the population to evolve due to gene flow.
Unsaturated fatty acids are those containing carbon-carbon ________ bonds.
Fill in the blank(s) with the appropriate word(s).