Which term describes any relationship in which two species live closely together?

A commensalism

B mutualism

C cooperation

D symbiosim

Genes a, b, and c are known to be in that linear order in an organism. A testcross is done that yields 20 double crossover progeny out of a total of 1000 offspring. Assume that there is no interference.

E. d., a 27 year old male, involved in a motor vehicle accident came to the emergency room in an ambulance with obvious signs of tachycardia, dyspnea, bruises and lacerations to his torso, to the right side of his chest, rigidity to the right side

Several times throughout Earth's history, major catastrophic events have caused mass extinctions or other major disruptions. Some of these catastrophic events have been volcanic eruptions and asteroid impacts.

In which direction did the water move when you add salt water

Substance in the atmosphere that harm an organism being and alter the environment in which they live, are known as what? A) atmospheric pollution B) UV radiation C) solar input D) greenhouse effect

Which scientist first said that planets travel in fixed paths or orbits A) Kepler B) Ptolemy C) Galileo D) Copernicus

Describe the process of inhalation

In a Venn diagram, the separate circles contain characteristics unique to each item being compared, and the intersection contains characteristics that are common to both items being compared.

the process of taking material into the cell by means of infoldings of the cell membrane.

What do both the theory of evolution and the cell theory have in common as scientific theories?