Developmental psychology is the field that primarily studies how humans grow and develop.

In living things, traits are passed on from one generation to the next by the transfer of ... ? A) blood B) minarlas C) calories D) DNA

How much heat is needed to raise the temperature of 9g of water by 20C

Smog may involve a variety of pollutants. a. True b. False

What molecule is a direct source of energy to cells?

An organism that regulates its temperature internally. An organism that uses external sources of heat to regulate its temperature. An organism whose internal temperature may vary considerably.

The most commonly contracted type of skin cancer is: a. basal cell carcinoma b. squamous cell carcinoma c. melanoma d. none of the above

How do scientists know the structure of the interior of the Earth? Scientists have drilled a hole deep in the Earth to the mantle. Scientist have used telescopes to record data about the Earth's layers.

Explain the importance of autotrophic organisms with respect to energy flow and nutrient cycling in ecosystems.

Large populations of tortoises inhabited the Galapagos Islands before humans. When humans settled on the islands and introduced goats, the number of tortoises declined. What is most likely the explanation for the decrease in the tortoise population?

Dendrites are A. the conduction zone of a nerve cell. B. the input zone of a nerve cell. C. a type of glial cell. D. small interneurons.