day 71 which activity requires the use of safety goggles? a sampling a population of birds b...
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Day 71Which activity requires the useof safety goggles?A sampling a population of birdsB measuring the temperature of soilC examining a cell undera microscopeD mixing two chemicals to makea solution
What would the width of the capillaries be when the temperature was 17.5? a. 6.0 b. 4.5 c. 4.8
What characteristic do these leaves have that allow them to expand their range quickly?
a. the shape of the leavesb. the number of leavesc. the length of the branches.
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Day 72
Which of the models below represents the molecule that contains genetic information?
The length of a fetus is measured over time. Which of these would be the best way to display the information?
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Day 73
A large tree fell in a dense forest. Several months later many new plants were growing in the area of the fallen tree. The new plant growth most likely occurred as a result of an increase in which factor?A the amount of available oxygenB the amount of available waterC the amount of available sunlightD the amount of available carbondioxide
Which measurement range is the best estimate for the length of a pond microorganism’s body?F 0.002 – 0.2 millimetersG 0.002 – 0.2 millilitersH 2.0 – 200 millimetersJ 2.0 – 200 milligrams
Hint: measure in meters, liters, or grams? Hint? large or small?
This sign warns people aboutwhich hazard?A sharp objectsB infected tissuesC radioactive materialsD poisonous chemicals
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Day 74
The alfalfa plant gets its nitrogenfrom bacteria that live in itsroots. In return, the alfalfaprovides food for the bacteria.Which term best describes therelationship between the alfalfaand the bacteria?F predationG mutualismH parasitismJ competition
Shown below are the steps astudent will complete in order tostudy the effect light has on thenumber of microscopic algae infreshwater.1. Place one jar of pondwater in the sun and onein the shade for one week.2. Use a microscope tocount the number ofmicroscopic algae in onemilliliter from jar A andone milliliter from jar B.3. Label two jars A and B.4. Collect two jars of pondwater.Which of these is the best orderin which to do these steps?A 3 – 4 – 2 – 1B 4 – 2 – 3 – 1C 3 – 4 – 2 – 1 – 2D 4 – 2 – 1 – 2 – 3
Hey! I like when you help me!
The feeling is mutual!
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Day 75
These organisms were foundclinging to the bottoms of smallrocks in a stream.
Which unit would be mostappropriate for measuring thelength of these organisms?A millisecondB milliliterC millimeter D milligram
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Day 76
To which order does Oklahoma’s state bird, the scissor-tailed flycatcher, belong?
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Day 77
The drawings represent the lowerjaws of four animals. Three of theanimals have similar diets. Whichdrawing represents the animalwith a different diet?
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Day 78
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Day 79
A student performed an activity using young plants . Test tubes containing the young plants were placed at different anglesand labeled “Trial 1,” “Trial 2,” “Trial 3,” and “Control.”Which of these diagrams represents the one labeled “Control”?
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Day 80