Limb bones within unrelated animals that have the same basic structures are considered what

The influenza virus cause the flu, but not other diseases. why?

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

Resperation is a way to release carbon back into the atmosphere