Explain why species with a diverse gene pool are usually less threatened by environmental change than are species whose members all have similar genes.

cold front is associated with which of these? A. a rising cold air mass B. air masses that are not moving C. a cold air mass moving into new areas D. air masses that have trapped warmer air between them

How does cell technology affect government? New government agencies must be created to fund and regulate each type of technology. A new technology may reduce the amount of money that a hospital needs to operate.

What is an infection of the urinary bladder called?

Which of the following characteristics of plants is absent in their closest relatives, the charophyte algae? a. chlorophyll b b. cellulose in cell walls c. sexual reproduction d. alternation of multicellular generations

Suppose a patient develops a myocardial infarction that disables the sinoatrial node. would the heart still pump blood to the aorta and the pulmonary trunk?

Which of the following organisms could be used to make bread dough rise

Which process occurs in the human muscle when it is forced to make atp without oxygen

Give one fact about cytoplasm of an unfertilized egg

TRUE OR FALSE being heterozygous for a gene may cause only the dominant allele to be expressed, but the recessive gene may be passed to offspring that express it

Reverse fault is caused by a type of stress known as