The distance from Earth to the sun is a. 15 AUs
b. 1 AU
c. 150,000,000 AUs
D. unable to be measured

The image shows embryos of three vertebrate classes

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.