Which is the best example of a response to an external stimulus?

A) drinking water after a long run

B) avoiding the sun by looking for food at night

C) a hungry bear hunting for food

D) falling asleep in the treetops of a forest

While listening to recordings of operatic solos, musicians process the lyrics and the music in separate brain areas. This most clearly illustrates the functioning of different: limbic systems. neural networks. neurotransmitters. reticular formations.

Which statement best describes how organisms use nitrogen? a) Certain bacteria living in the roots of plants convert nitrogen to a form plants can use, and animals obtain their nitrogen by eating those plants.

Which environmental changes occur fastest. volcanic eruption. pond succession. decomposition of a tree. regrowth of forest after volcanic eruption

What do proteins, polysaccharides and nucleic acids have in common? A. none of them are polymersB. they all contain nitrogenC. they are all polymersD. none of them contain phosphorous

What is the function of a flower stamen

The portion of earth in which al Life exicts is know as

Which of the following could be a description of the cytoskeleton in a cell? Question 5 options: Scaffolding Water hose Drawbridge Jelly

Fill in the blank. 1. A strong negative feedback process can cause Earth's climate to reach a state of 2. Climate change occurring throughout history is known as 3. describes one climate system interacting with and weakening another climate system.

Platinum (Pt) is in the 78th position in the periodic table. A neutral atom of the element that comes just before platinum in the periodic table has electrons and protons

Which of the following is a correct application of one of Darwin's postulates to the Galapagos finch data from Case Study #2? A. All the birds, no matter their beak size, were equally likely to survive during the drought. B.