According to the world resource institute, biodiversity is the variety of the world's organisms, including their genetic diversity. in a world of genetically modified (gm) crops, agriculture is greatly reducing the genetic diversity of the plants on earth. if we ignore genetic diversity while we develop gm products, we risk a disease or pest emerging that will wipe those types out. one answer to this problem is seed banks. storage of material in the form of seeds is one of the most widespread and valuable ex-situ approaches to conservation. all but one is an advantage of seed banking over other ex-situ methods of biodiversity conservation. that is

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area