Which biological scenario(s) best describes a rigid phenotype for gene expression? I. Each person has a specific blood type.
II. Red blood cell counts differ in higher altitudes.
III. One identical twin is taller than the other.

1) I only

2) II only

3) II and III only

4) I, II, and III

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Me with these questions image attached

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