What does dna provide a blueprint for making? ?

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

What did hunter gathers do to alter the environment?

In 1992, hurricane andrew left a wake of destruction through florida. one victim of the storm was a reptile-breeding facility. over 900 burmese pythons were set free, and today thousands of pythons live in florida. these pythons are an invasive species, or a harmful species not native to the region. 1. what impacts do you think the burmese pythons might have on local ecosystems