What is the value of a transitional fossil? a. transitional forms show the evolutionary steps between species. b. transitional forms are analogous fossils. c. transitional forms discredit the theory of evolution. d. transitional forms are proof of punctuated equilibrium in evolution.

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

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Explain why ecosystem diversity results in species diversity in a healthy biosphere