How do signal molecules work in a cancerous cell?
a. cancer cells make their own signal molecules, are insensitive to them, or simply grow without them.
b. cancer cells can never interpret signal molecules correctly.
c. cancer cells interpret them backwards such that growth signals stop growth and growth inhibitors cause growth.
d. cancer cells use signal molecules just the way normal cells do.
e. they don't usually work at all.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

flooding wildfire landslides climate change the factors listed have an immediate effect on the animal populations found in any habitat. the four factors would lead to a death. b emigration. eliminate c immigration. d mutations.

c. resource depletion