Which of the following statements about scientific theories is incorrect? a. Theories are suggestions made by curious people, b. theories can change if new evidence arises, c. Theories are used to explain why natural phenomena occur, d. theories are bases on sets of hypotheses

Which of the following is the most likely result of converting forestland to urban development? a.the amount of land available for lumber production decreases. b.fewer trees are needed because cities are made mainly of concrete. c.people discover more efficient ways to grow trees. d. the price of lumber goes down.

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal response by in order to it's core temperature.