Which of the following is not a potential sign of skin cancer? a.)a sudden change in a mole's appearance b.)a pimple that lasts more than 2 days c.)a sore that does not heal d.)a mole with an irregular border the answer is b. a pimple that lasts more than 2 days sorry figured it out

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.

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing