The heart chamber that receives blood from the venue cavae is the

A. left atrium

B. right atrium

C. left ventricle

D. right ventricle

A species of bird lives in a tropical ecosystem and survives by eating fruit. The climate of this location changes very quickly, and the ecosystem becomes too cold for fruit trees to survive.

if a cell with a low salt concentration is placed in an environment with a high salt concentration, will the water move in or out the cell

How did Mendel make crosses with his plants? A., He planted the seeds of each type together, and they grew into a single plant. B., He cut the peas in half and combined them to grow a single plant. C.

Of all the forms of electromagnetic radiation, the one with the lowest frequency is: question 9 options:

How many elements in your table were solids, liquids or gases

Is brick a type of rock?

Which component is released from the active site of an enzyme during a chemical reaction? Answers: reactant product substrate protein

Which of the following describes part of a phenotype

What kind of variable does the scientist control?

What is the last spot where csf circulates before being resorbed by the circulatory system?