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Systems
Inquiry
Application
Life Science
Writing Short Answer
100
The name of the process the body uses to keep itself stable is A: diffusion B: active transport C:positive feedback D: negative feedback
D: What is negative feedback
100
Why are trees green? This is not a testable question because: A: it is testable B: there is nothing to test/change C: you can measure how green a tree is D: you can't measure how many pigments are in a leaf
B: What is there is nothing to test/change
100
Becky and Juan want to decrease the number of weeds produced in the school garden. Which of the following questions could lead to a possible solution to this problem? o A. How much carbon dioxide do plants require? o B. Which herbicide kills the most weeds? o C. Which plants provide the most protein? o D. Which plant seeds are largest?
B: What is Which herbicide kills the most weeds?
100
What do plants need to make food? A: oxygen and sugar B: sugar and carbon dioxide C: heat and water D: carbon dioxide and water
D: What is carbon dioxide and water
100
What is the first thing you do when answering a SA question? A: do the bullets B: restate the question C: use the data D: read the question
D: What is read the question?
200
This is the scientific word for "maintaining a stable internal environment" A: homeostasis B: heterotroph C: autotroph D: prokaryote
A: What is homeostasis?
200
In the question "What is the effect of running speed on heart rate?" The manipulated variable is: A: running speed B: heart rate C: running distance D: temperature
A: What is running speed?
200
Jose and Tasha want to improve the soil in the garden by increasing the population of worms in the soil. What is the first step to finding a solution? A: research what worms need B: brainstorm solutions C: change the soil D: buy different worms
A: What is research what worms need
200
To make ATP, amoebas (one cell organisms) must get oxygen through: A: photosynthesis B: diffusion C: feedback D: digestion
B: What is diffusion?
200
If a SA question asks you to list two "unintended consequences" and the "effect of each", how many bullets should be in your answer? A: 0 B: 2 C: 4 D: 6
C: What is 4?
300
The Earth has only a certain amount of carbon. What process recycles it so it can be used again? A: photosynthesis B: radiation C: carbon cycle D: predation
C: What is the carbon cycle?
300
In the question "What is the effect of running speed on heart rate?" The responding variable is: A: running speed B: heart rate C: running distance D: temperature
A: What is heart rate?
300
Jose and Tasha want to improve the soil in the garden by increasing the population of worms in the soil and have chosen two methods. How do they find out which is best? A: Try one of the methods and see if it works B: Try both methods and see if they work C: Design an experiment to test one method D: Design a field study to test both methods
D: What is Design a field study to test both methods
300
What is the name of the process cells use to change food into energy they can use? A: photosynthesis B: heterotroph C: cellular respiration D: ATP
C: What is cellular respiration
300
If a SA question asks you to list two "unintended consequences" and the "effect of each" and you write "One unintended consequence is ...." and "Another consequence is ..." How many points will you earn? A: 0 B: 1 C: 2 D: 3
B: What is 1
400
In a food web, the populations of the wolves and the deer remain about the same as some die and some are born. This food web is in: A: static equilibrium B: dynamic equilibrium C: primary succession D: secondary succession
B: What is dynamic equilibrium?
400
In an experiment using a greenhouse to model to find out "What is the effect of air temperature on tussock moths?" What type of variable is "amount of water"? A: manipulated B: responding C:controlled D: environmental observation
C: What is controlled?
400
Wolves in the west were killed because they preyed on rancher's cattle in addition to elk and deer. What is one unintended consequence of killing the wolves? A: fewer wolves eat cows B: more elk eat willow trees C: fewer deer eating grass D: more cows to sell for beef
B: What is more elk eat willow trees?
400
What molecule contains the genes that tell an organisms body how to work? A: deoxyribonucleic acid B: phospholipids C: polysaccharides D: carbohydrates
A: What is deoxyribonucleic acid?
400
How many controlled variables should you have at a minimum in an experimental procedure? A: 1 B: 2 C: 3 D: 4
D: What is 4 (one counts as an extra validity measure)
500
Instead of experimenting on humans, scientists may do an experiment on nematodes to test the effect of their hypothesis. This is called: A: modeling complex systems B: inhumane C: a field study D: unreliable
A: What is modeling complex systems
500
In a field study to find out "What is the effect of air temperature on tussock moths?" What type of variable is "amount of rain"? A: manipulated B: responding C:controlled D: environmental observation
D: What is environmental observation
500
Wolves in the west were killed because they preyed on rancher's cattle in addition to elk and deer. If fewer wolves mean that fewer deer get killed, how might this change another part of the ecosystem? A: more willows near the stream B: less erosion due to elk trampling the river banks C: vultures don't get as much food D: smaller herds of deer
C: What is vultures don't get as much food?
500
What is the mRNA strand made from DNA with the bases CATGGC A: GTACCG B: GUACCG C: CATGGC D CATCCA
B: What is GUACCG
500
What does a controlled variable that helps insure you are testing the right thing improve? A: reliability B: validity C: precision D: accuracy
B: What is validity?