What type of feedback occurs when a neuron is stimulated to open a membrane channel, which causes other channels to open? Negative feedback, because the message is being depressed
Negative feedback, because the message is increasing the effect
Positive feedback, because the message is being amplified
Positive feedback, because the message is weakening the signal

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.

What changes the stability of the element