Vocabulary 1
Nerve cells that transfer information in the form of electrical energy to the brain
Neurons
Receptors that detect chemical signals, such as odors and tastes
Chemical
What plant organ takes in nutrients from the soil?
Roots
Which level of organization best describes the brain and stomach?
Organ
What is the variable that is measured in an experiment?
Dependent
Bodily process that maintains stable conditions in a changing environment
Homeostasis
Stored information in the brain
Memory
What is the plant organ responsible for absorbing light energy to make food?
Leaf
The esophagus, stomach, and colon work together to perform what function?
Digest the food we eat (digestion)
What is the variable that the experimenter is changing in an experiment?
Independent
Part of the neuron that sends messages
Behavior that depends on memory and experience
Learned
What plant organ supports the plant and transports nutrients?
Stem
What two systems work together to keep carbon dioxide levels low in the body?
What is the variable that an experimenter wants to hold constant in an experiment?
Controlled
Set of actions taken by an organism in response to stimuli
Behavoir
Receptors that detect pressure, movement, tension, and sound waves that allow animals to hear
Mechanical
What is the source of the energy that plant cells use for photosynthesis?
Radiant energy
What comes next:
cardiac muscle cell --> cardiac tissue --> heart --> ?
Circulatory system
What are 2 variables you would want to control in an experiment that is trying to answer the question: “Do sunflowers grow taller in the sun or the shade?”
Possible answers: amount of water, location of plants, type of soil, temperature
Specialized structures in the nervous system that respond to specific types of stimuli, or environmental messages
Sensory receptors
Behavior that does not require learning or experience
Innate
(1) What gas do plants ABSORB? (2) What gas do plants RELEASE?
(1) Carbon dioxide (2) Oxygen
Name all of the body systems we talked about in class. (HINT: There are a total of 7)
(1) Circulatory (2) Nervous (3) Respiratory (4) Digestive (5) Excretory (6) Muscular (7) Skeletal
What is the independent variable, when studying the effect of study time on test score?
Study time