What are 5 major environmental challenges?

What is a codon and where is it found

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

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.