The level of organization that best describes the leaf of a plant?
A. cell
B. tissue
C. organ
D. organ system
What is C?
100
What is the mnemonic device to help remember what elements can be found in organic compounds? What does each letter stand for?
What is CHONPS? carbon, hydrogen, oxygen, nitrogen, phosphorus, sulfur
100
A basketball player sweats to cool his body during a game. What is this an example of?
What is homeostasis?
100
What might happen if your respiratory system malfunctioned?
A. oxygen level in blood would go out of balance
B. your lungs collapse
C. nostrils and breathing passage close up
D. you might start inhaling carbon dioxide instead of oxygen
What is A?
100
On leaf surfaces, guard cells open and close in response to the amount of water is an example of -
What is homeostasis?
200
The level of organization that best describes the human skin?
What is organ?
200
Which of the following are organic compounds? Name the compound
A. NH3
B. NaCl
C. H20
D. C6H12O6
What is D? glucose
200
A stimulus is a change that occurs either inside or outside your body and brings about a ___________.
What is response?
200
When a plant is placed near a window it will grow toward the Sun which is an example of?
What is phototropism?
200
What process causes a plant to wilt in response to too much or too little water?
What is transpiration or turgor pressure?
300
If you wanted to locate your salivary glands you would locate them in your?
What is in your mouth?
300
Carbohydrates are large, complex molecules that can be broken into smaller molecules called?
What is sugars?
300
Why are senses necessary for behavior?
What is stimuli are sensed by our senses to allow us to respond?
300
When do you use your excretory organs?
What is when you use the bathroom?
300
Responses in plants that result in movement away from or toward a stimulus are called
What are tropisms?
400
Which step in the digestive process represents a chemical change in food?
A. storing of swallowed food
B. churning of food, liquids and digestive juices
C. movement of food down the esophagus
D. substances in the mouth and stomach breaking down fat
What is D?
400
Which of the following models represents a large molecule breaking down into a smaller molecule? (Project diagram onto your screen)
What is G?
400
A person develops and elevated body temperature from a bacterial infection. The fever is a response to -
What is help fight infection by slowing the growth of the bacterial infection?
400
Riding a bicycle requires additional energy to your leg muscles. Which condition may result and which response helps restore the body to normal?
A. increased CO2 in the blood can be removed by breathing faster
B. increased sugars in the blood can be diluted by drinking water
What is A?
400
The downward growth of roots are _____ _____ to gravity and the upward growth of stems are _____ _______ to gravity.
What is positive response and negative response?
500
Which function is performed primarily by the digestive system?
What is breaking down of large molecules into smaller ones?
500
Why does the human body need to breakdown organic molecules? Where is this energy formed? (Think about organelles.)
What is so they are in a usable form such as sugar used to fuel the cells, which takes place in the mitochondria.
500
Identify the difference between external and internal stimuli? Give an example of each.
What is external occurs outside the organism, internal occurs inside the organism? External stimuli=cold weather; Internal stimuli=dehydrated (answers may vary on examples)
500
How are functions of the vacuoles in cells and excretory system in human alike?
What is both collect and store liquids?
500
All of the following elements are found in organic compounds except-
A. carbon
B. sodium
C. hydrogen
D. oxygen