Which of the following is an abiotic factor in an ecosystem?

water

plants

fungi

birds

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 it important to study each branch of earth science?

What processes take place before the mature mrna exits the nucleus?