There is a multitude of evidence that supports how life has changed over time due to

variation in the gene pool of different species. Which of the following choices below

represents a scientific theory that explains these changes? (DOK 2)

from smallest to largest: chromatin, chromosome, DNA, nucleosome, sister chromatid

How did life begin according to evolution?

Florence is dead, but frank flu has found a way into your body through a tiny cut on your hand. which non-specific chemical and biological immune responses could destroy frank flu before he replicates?

What is produced at convergent plate boundaries? a. New seafloor b. Oceans c. Earthquakes d. Mountains

Name a function of carbohydrates

Some vertebrates can go through nymph and pupa forms. True or False

Over millions of years, hominid species learned to use and create tools that became more complex over time. They eventually shaped stone into knives used for cutting, and they harnessed fire for light, heat, and cooking food.

To cause a human pandemic, the H5N1 avian flu virus would have to a. spread to primates such as chimpanzees. b. develop into a virus with a different host range. c. become capable of human-to-human transmission. d. become much more pathogenic.

Which of the following is an example of a mineral

1. Which number in a chemical formula tells you how many atoms of element you have? O A. Coefficient O B. Chemical symbol O c. Subscript O D. Capitals