Every fall, clusters of hundreds of danaus plexippus, or monarch butterflies, migrate into mexico. the traveling group of d. plexippus is one example of a(n)
a.
species
b.
ecosystem
c.
community
d.
biome

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

Lactic acid and energy are produced in muscle cells during choose 1 aerobic respiration cellular respiration anaerobic respiration cellular division

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs