Biology
Cell biology, genetics, ecology, and life science fundamentals.
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unit exam - populations patterns of life on earth. which of these is an…
high parental care of offspring
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more experimental design practice the blood pressure of a soldier is me…
The independent variable is: exposure to a stressful environment The dependent variable is: blood pressure
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population size time (years) what kind of population growth does this g…
C. logistic (S - curve)
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more experimental design practice two plants are grown using the same l…
The independent variable is: type of water (microwaved vs. regular tap water) The dependent variable is: plant height after 2 weeks
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unit exam - populations what would happen to the largemouth bass popula…
The largemouth bass population would likely exhibit exponential growth.
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which of the following method is best used to count populations of orga…
D. tag and recapture
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to ensure that we are being accurate and random during population sampl…
C. both marked and unmarked, random individuals
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reproductive and growth capabilities. environmental resistance factors …
D. a species' reproductive and growth capabilities
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multiple choice question what is the role of the internal revenue servi…
B. To collect taxes paid by American citizens and businesses (assuming the second option is labeled B; if the original options had different labels, adjust accordingly. Since the …
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decreased shelter availability lead to slow growth. why does environmen…
B. because there's more competition and predators
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more experimental design practice cockroaches are exposed to a pesticid…
The independent variable is pesticide exposure. The dependent variable is cockroach mortality rate.
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which scenario shows abiotic factors working against biotic potential? …
C. a species reproducing during an intense drought
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biotic potential enhances a populations ability to survive. which of th…
D. a generalized niche
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lower limits influencing population growth. nature rarely aligns all th…
D. sunlight
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lower limits influencing population growth. nature rarely grows uncheck…
C. biotic and abiotic factors
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what is an organisms particular role in the environment known as? emigr…
C. niche
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question 20 of 20 read the following excerpt from journal of the advent…
B. Threatening
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more experimental design practice pillbugs are placed in a container wh…
The independent variable is environment type (wet/dry) The dependent variable is time spent on each side
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8. which type of feedback is most important in many body processes? a. …
b. negative
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more experimental design practice one grape is placed in tap water and …
The independent variable is the type of water (tap water vs. salt water) The dependent variable is the change in mass of the grapes
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7. which type of feedback is best at maintaining homeostasis? a. positi…
b. negative
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more experimental design practice mosquito repellent is sprayed on one …
The independent variable is: Application of mosquito repellent (sprayed or not) The dependent variable is: Number of mosquito bites after 2 hours
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more experimental design practice a cow is given a growth hormone and t…
The independent variable is: Growth hormone (presence or absence) The dependent variable is: Weight of the cows at 2 years
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4. what type of feedback is the act of shivering? a. positive b. negati…
b. negative
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5. fill in the blanks. if blood sugar is too high, the hormone ______ i…
c. insulin; glucagon
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2. which term best describes an organism that is cold - blooded? a. ect…
a. ectotherm
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acid rain threatens sugar maple trees because: pollution weakens ecosys…
The correct option is the one with "Pollution weakens ecosystems." (Assuming the options are in a single - choice format with this as one of the radio - button options, e.g., if i…
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2. which term best describes an organism that is cold-blooded? a. ectot…
a. ectotherm ### Question 3 (Which term best describes an organism that is warm - blooded?)
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1. which of the following is not aided by homeostasis? a. ph level b. b…
d. nutritional intake
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showtime questions (answer without looking at the book) 1. which of the…
a. ectotherm
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16. the proportions of the bases are consistent within a species; howev…
The completed table is as shown above. For each organism, the percentages are calculated using the base - pair rules (\( \%A=\%T,\%G = \%C \)) and the fact that the sum of all bas…
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b. how do you think your body maintains a stable internal temperature?
The body maintains stable internal temperature (thermoregulation) via homeostasis. The hypothalamus acts as a thermostat: when too hot, blood vessels dilate (heat loss) and sweat …
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write \i\ in the blank beside the independent variable; \d\ beside the …
1. C 2. C 3. C 4. I 5. D 6. I
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according to the diagram, which question is being tested? do flowering …
Do flowering plants grow taller in red, green, or yellow light?
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10 ml fertilizer 200 ml water added to each pot write \i\ in the blank …
1. C 2. C 3. I 4. C 5. D 6. C
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what does the personification in this text suggest? it was the early af…
B. There were occasional gusts of wind.
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why are cars inspected for emissions in many states? to reduce pollutan…
A. To reduce pollutants in the atmosphere
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to answer these questions, use the diagram below. diagram of two potted…
Does adding fertilizer cause flowering plants to grow taller?
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before the show (answer before you start video) a. brainstorm! what typ…
The subfield is Biology (under Natural Science). The involuntary processes include: 1. Respiration (breathing, gas exchange in lungs and cells). 2. Circulation (heart pumping bloo…
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3.4.3 test (cst): wrap-up: the american narrative question 11 of 20 rea…
A. She reintroduces people who appeared earlier in the journal.
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experimental design practice possible points: 1 every 3 days the studen…
The plant in the bright light will grow more green leaves than the plant grown in the dim light.
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what is the students independent (change) variable? the angle of the li…
The brightness of the light shining on the plant
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question 4 of 20 read the following excerpt from journal of the adventu…
A. To describe the family's dread before traveling into the unknown
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1. (partially visible) statements best compares the extraction of coal …
D. Coal is mined from the earth, while natural gas is extracted through drilling. ### Question 2
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1. which organs provide chemicals that help digestion in the small inte…
b. Pancreas and liver ### Question 2 (Short Answer)
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how does dna in the same helix bond to itself? the sugars bond to each …
none of the above ### Second Question: A strand of DNA has 18% adenine. What is the percentage of cytosine?
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2. what is the purpose of the tongue in digestion? 3. what is the mixtu…
b. Muscle contractions that push food down ### For the question "What is the esophagus's main function?"
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boleto de salida: vitaminas, minerales, agua minerals are generally sai…
False
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another name for vitamins might be: lipids amino acids macronutrients a…
micronutrients as they are needed in small amounts
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another name for vitamins might be: lipids amino acids macronutrients a…
micronutrients as they are needed in small amounts
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boteto de salida: vitaminas, minerales, agua what is the most important…
B. fat soluble vitamins can be stored and used by the body later when needed
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which process most likely released gases that formed earths early atmos…
The option "Volcanic eruptions from Earth’s interior" (the third option in the list).
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the reasoning below is... claim reptiles can make affordable alternativ…
Weak Reasoning: Doesn't Connect the Evidence to the Claim
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ose l17 name: _______________________________ date: ____________ period…
A model to explain redwood height variation: 1. **Genetic Factors**: Different redwood genotypes have alleles affecting growth (e.g., genes for cell elongation, nutrient uptake ef…
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read this paragraph. the clock ticked menacingly as the students’ penci…
the tension in the room
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how do we define the revolutionary legacy? it ended the ___ that went b…
The option: "Ended the ability to have a Dictator because no elected official can take more than one term"
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francisco madero encouraged a revolution against díazs regime in the na…
A. Land reform and Political Freedom
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answer the following question thoroughly with complete sentences: 1. ho…
The Mexican Revolution transformed the Mexican government in several key ways. It ended the long - standing authoritarian rule of Porfirio Díaz. The 1917 Constitution established …
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dear journal, i’m not an outdoorsy kind of girl, but when my neighbor a…
B. My first time camping was not the experience I’d expected it to be.
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bone markings: forming joints bone marking | description head neck face…
1. "small flat articular surface" - Facet 2. "narrow connection between the epiphysis and diaphysis" - Neck 3. "smooth, grooved articular process shaped like a pulley" - Trochlea …
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bone markings: for attachment prominent ridge large, rough projection r…
- Crest: Prominent ridge - Trochanter: Large, rough projection - Line: Low ridge - Spine: Pointed process - Tubercle: Small, rounded projection - Tuberosity: Rough projection
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2. name two ancient festivals that influenced the modern celebration of…
1. Saturnalia: Custom - Feasting and gift - giving (small gifts like trinkets were exchanged). 2. Yule: Custom - Burning a Yule log (a large log burned in the hearth to symbolize …
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read the passage from chapter 1 of animal farm. \i have little more to …
D. He uses exaggeration to make communism appear too simplistic. (Note: Assuming the options are labeled A - D in order, the last option is D. If the original options were labeled…
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what was the most significant way transatlantic trade benefited europea…
It brought in wealth from crops and precious metals like silver and gold.
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what was one negative impact of the columbian exchange on africa? - it …
The option "It contributed to the Atlantic slave trade and the loss of population." (the fourth option, counting from the left)
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part 2 use the data from this study and what you have figured out in th…
Environmental factors (e.g., water, soil, sunlight, temperature) influence redwood height. Adequate resources (water from coastal fog/rain, nutrient - rich soil) and favorable con…
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how did maize impact farming in africa? it thrived in diverse climates …
It thrived in diverse climates and supported larger populations.
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what was the most significant way transatlantic trade benefited europea…
The option: "It brought in wealth from crops and precious metals like silver and gold." (the last option in the list of choices)
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the english reformation began because henry the eighth wanted an annulm…
C. A cancellation of a marriage recognized by the Catholic Church
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how did religious changes during this time set the stage for future pro…
A. People began questioning authority and demanding independence.
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the english reformation began because henry the eighth wanted an annulm…
D. A cancellation of a marriage recognized by the Catholic Church
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this picture is an example of... ○ a karyotype. ○ all of these. ○ nondi…
C. all of these.
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what process is shown here? mitosis karyotype meiosis nondisjunction
Meiosis
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how does crossing over contribute to genetic diversity? crossing over a…
Crossing over trades genes to create unique chromosomes that are different from parent chromosomes, allowing for more genetic combinations.
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in humans, meiosis creates cells with how many chromosomes? 2 92 46 23
23
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what is a key difference between meiosis and mitosis? - crossing over o…
C. There is a difference in the number of times DNA is divided.
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how many times does dna divide during mitosis? once twice never three t…
Once
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how do mutations affect living things? all of these are correct. mutati…
All of these are correct.
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why is meiosis important? meiosis creates unique combinations of genes …
All of these are correct.
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what is meiosis? the process of creating specialized cells for the purp…
The process of creating specialized cells for the purpose of reproduction
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which is typically more impactful, a mutation during mitosis or a mutat…
Meiosis, because mutations that occur during meiosis can be passed on to offspring (affecting a new organism), while mitosis - related mutations (usually) only affect cells in the…
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what process is indicated by the red arrow? mitosis crossing over karyo…
Crossing over
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what is a mutation? when paired chromosomes exchange genetic informatio…
An error that occurs when DNA is copied
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what is a mutation? - when paired chromosomes exchange genetic informat…
An error that occurs when DNA is copied.
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what process is shown here? options: meiosis, mitosis, nondisjunction, …
Meiosis
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what is crossing over? - when paired chromosomes exchange genetic infor…
When paired chromosomes exchange genetic information
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what is nondisjunction? the process of creating specialized cells for t…
When chromosomes fail to separate properly during meiosis.
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this picture is an example of... a karyotype. a mutation. nondisjunctio…
a karyotype.
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how do mutations affect living things? mutations alter the way proteins…
Mutations alter the way proteins are made.
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how do mutations typically affect genetic diversity? mutations have no …
Mutations increase genetic diversity.
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downs syndrome this picture is an example of... ○ nondisjunction. ○ all…
a karyotype.
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which is typically more impactful, a mutation during mitosis or a mutat…
Meiosis, because mutations during meiosis affect every cell in the body, while mutations that occur during mitosis only impact one cell.
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what process is shown here? options: karyotype nondisjunction mitosis m…
Meiosis
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what process is shown here? meiosis nondisjunction mitosis karyotype
Meiosis
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what do mitosis and meiosis have in common? all of these are correct. d…
Synthesis of DNA occurs.
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what is a key difference between meiosis and mitosis? dna divides twice…
B. Crossing over only occurs in meiosis.
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what process is indicated by the red arrow? karyotype nondisjunction mi…
Nondisjunction
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what is a key difference between meiosis and mitosis? all of these are …
There is a difference in the number of times DNA is divided.
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this picture is an example of... a karyotype. nondisjunction. dna synth…
crossing over
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in humans, meiosis creates cells with how many chromosomes? 23 46 92 2
23