Emily enjoys experimenting with color changing lizards. she places a green lizard on a brown background and a brown lizard on a green background. emily knows the green lizard should turn brown and the brown lizard should turn green. neither lizard changes color.
what may have caused emily's results?
a. other factors may be affecting the color change like fear or temperature.

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.

Draw the structure of dna nucleotide with adenine as nitrogenous base

There are only about 250,000 known fossil species. true or false