Chemical reactions that use up energy are called

True or f An antigen is a protein made by your body to respond to a specific foreign molecule

How would a houseplant respond to sunlight that comes from one direction

The second part of a scientific name has to refer to?

How are primary and secondary succession similar? a. Both primary and secondary succession involve ecosystems that have no soil. b. Both primary and secondary succession involve ecosystems recovering from a disruptive event. c.

A large number of breeding birds in yellowstone nest and feed in stands of aspen, willow and cottonwood. how do you think the return of the wolf will impact these populations?

The Punnett square below represents a cross that produced two plants with orange flowers. If the orange color of the flowers is a result of incomplete dominance, what color were the flowers on the parent plants?

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