Which of the following come from types of organisms that lived during

only one short period of time and that are used to determine the

relative age of rocks?

a. imprints

b. index fossils

c. trace fossils

d. extrusions

Which rocks does it get melted by heat and pressure?

Why is excretion important for homeostasis? The body gets rid of waste. A cell splits into two daughter cells. The body absorbs oxygen and water. A form of energy called ATP is created.

Which of the following is an example of a closed system? A) the Earth system B) the ocean C) an ecosystem D) a biome E) material or energy that is able to move in or out of a system

In the late 1990s, several studies claimed there was a direct link between growing rates of autism and the presence of low doses of mercury used to preserve infant immunizations.

Which two important things do many economics systems not considered to have value? A. natural resources and human labor B. supply and demand C. capital and consumption D. good and services i was thinking A

Proposed mode of DNA replication where one daughter cells gets both strands of parent DNA and the other daughter cell gets both strands of new DNA. a. Bi-directional replication b. Dispersive replication c. Conservative replication d.

Which process can be found in both bacteria and protists?

Use this information to answer questions 6 - 11. Your original population of 200 was hit by a tidal wave and 100 organisms were killed, leaving 36 homozygous recessive out of the 100 survivors.

What was the result of the human genome project?

During periods of extreme stress a client may experience elevated blood pressure, dilated pupils, and increased respirations. these unconscious responses originate in which part of the brain?