A short period of rapid electrical stimuli is used to observe muscle fibers contracting continuously (tetanus). Chemical agents can cause tetanus by interfering with the motor neurons. These agents include a toxin produced by the soil bacterium Clostridium tetani. One of the symptoms of these agents is called "spastic paralysis". Explain in your own words why these agents would have a negative effect on you and your muscles.

Pls quickly! which of the following is true about the behavior of an organism? a. the behavior of an organism is influenced by both its heredity and it’s environment. b. the behavior of an organism is influenced only by the treats it inherits from its parents. c. the behavior of an organism is influenced only by the environment in which it lives in. d. the behavior of an organism is not influenced by either it’s heredity or its environment.

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air