1. Information in the environment that causes an animal to react is (1 point)a control.
an interneuron.
a response.
a stimulus.

2. The more complex an animal’s response to a stimulus, the more likely it is that the animal has (1 point)
many sensory neurons.
many motor neurons.
many interneurons.
many stimuli.

3. Of the following choices, the simplest form of nervous system is a (1 point)
ganglion.
nerve net.
nerve cord.
brain.

4. Which of the following invertebrates has cerebral ganglia that are organized into a brain? (1 point)
sea star
earthworm
coral
octopu

Respuesta :

1. Information in the environment that causes an animal to react is termed as:a stimulus.

2. The more complex an animal’s response to a stimulus, the more likely it is that the animal has (1 point)
many sensory neurons.

3. Of the following choices, the simplest form of nervous system is a 
nerve net.

4. Which of the following invertebrates has cerebral ganglia that are organized into a brain?
octopus

The correct answers to your questions are:

1. D) a stimulus

2. C) many interneurons.

3. B) nerve net.

4. D) octopus

And if you have 5 questions the answer for 5 is C) cerebrum

I used the other guys answers and got an 80 so I wanted to help anyone else as well!