4. A biologist observed an organisr
conclude that the cell was prokaryo
A. It was large with a cell wall, unl
B. It had a cell wall and nucleus, u
C. It was very small with a nucleus
D. It had flagella and lacked a nuc

Astudent conducts an experiment to determine how the amount of water given to a plant affects it growth what is the dependent variable for this experiment

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

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