Answer now pedigree above shows the family history of the recessive blood disorder sickle-cell anemia. what are the chances of the child having the desise or carrying the gene for the disease?
a. child i has no change of having the disease and no change of caring it
b. child i has a 50 present chance of having the disease and a 50 precent chanc of carrying the disease
c. child i has no chance of having the disease and a 50 present chance of carrying the disease
d. child i has a 100 present chance of having the disease and a 100 present chance of carrying the disease.

Ameadow ecosystem includes many species of grasses and small shrubs, several herbivores, and a few carnivores. a fungus colonizes the meadow and kills most of its vegetation. what is most likely to happen to the populations of herbivores and carnivores in the ecosystem? a. the populations of herbivores and carnivores will increase because there will be less competition for chemical energy. b. the populations of herbivores and carnivores will remain stable because the fungus cannot infect these organisms. c. the populations of herbivores will decrease because of vegetation loss, but the population of carnivores will remain stable. d. the populations of herbivores and carnivores will decline because less chemical energy will be stored in the ecosystem.

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

Where can you find prokaryotic and eukaryotic cells?