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Benson Biology Benchmark Review 1 Flashcards | StudBud
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Benson Biology Benchmark Review 1
Benson Biology Benchmark Review 1
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1
Sweating cools body temp to maintain a stable internal environment. What is this called?
specialization
homeostasis
osmosis
respiration
2
Which Kingdom of life has no unicellular organisms?
Protista
Bacteria
Plantae
Fungi
3
What is the best explanation for why scientists should remain skeptical of information?
scientists are competitive and should doubt other's success
there is a great deal of dishonesty in scientific work
skepticism encourages asking questions, looking for answers
mistakes are easy to make and they can affect results
4
Which of the following best describes what can affect enzyme activity?
temperature and amount of enzyme
temperature, pH, and amount of enzyme and substrate
temperature and pH
amount of enzyme and substrate
5
What type of information is being proposed when a scientist claims she has a theory?
question related to observations about the natural world
idea that ties together a wide range of tested observations
tested universal explanation that was always found true
hunch or feeling that scientist believes to be correct
6
Tooth-edged leaves come from cool climates. Explain a tooth-edged leaf fossil found in desert?
the desert area was once under water
the desert area was once covered in ice
there was once snow in this desert
the climate changed from cool forest to hot desert over time
7
Which organic macromolecule is the main energy source for all living organisms?
fats
carbohydrates
proteins
lipids
8
Unlike eukaryotic cells, prokaryotic cells never have...
flagella
cytoplasm
a nucleus
a cell wall
9
Which adaptation would most benefit a short plant living on a shady forest floor?
short trunk
wide, flat leaves
thin branches
thick roots
10
Based on the phylogenetic tree, which is most closely related to conifers (e.g., pine trees)?
angiosperms
horsetails
ferns
gingkos
11
Best (most accurate) instrument for measuring volume of water extracted from a plant?
centrifuge
beaker
volumetric flask
graduated cylinder
12
Proteins are responsible for...
storing energy from unused glucose molecules
maintaining the structure of cells and tissues
holding the blueprints that code for the cell's activities
insulating the body
13
A pitcher throws at an average of 146.2 kilometers per hour. Which data show most precision?
145, 146, 147, 146
146, 148, 154, 149
144, 146, 164, 146
150, 153, 149, 151
14
To test the effectiveness of Brand X and Brand Y meds on 60 patients, which is best approach?
Give 20 X, 20, Y, 20 a placebo (fake) and compare results
Give 30 X, give 30 Y, switch medicines after one week
Give all 60 X, record results. Give all 60 Y, record result
Give 30 X and 30 Y then compare results for both groups
15
To measure the amt of oxygen produced by algae in photosynthesis, what tool should you use?
thermometer
electrophoresis
graduated cylinder
probeware
16
Unlike meiosis, cells produced through mitosis...
have double the chromosomes of the parent cell
have half the the chromosomes of parent cell
are genetically identical to the parent cell
are genetically different from parent cell
17
Does this picture accurately show the shape of a common bacteriophage virus?
Yep, that's him!
No, that isn't a viruus
18
Where should you do an experiment using solvents with potentially harmful vapors?
inside a tightly closed glass tube
inside a fume hood
at his lab bench while wearing a mask
near a fan or open window
19
How would a paleontologist most likely determine if a striped skunk and wolf share an ancestor?
DNA fingerprinting
genetic engineering
carbon-14 dating
scanning electron microscopy
20
What is an eventual consequence of natural selection?
removal of all mutations in a population
perfection of a species
removal of traits with negative effect on species survival
addition of traits needed by an organism to survive
21
How would a scientist most likely determine the age of a well preserved Wooly Mammoth?
DNA sequencing
comparative anatomy
carbon dating
soil depth
22
What's the best way to visually represent the percentage of each type pet in an apartment bldg?
flow chart
line graph
scatter plot
pie chart
23
What advantage does sexual reproduction have over asexual reproduction?
it leads to greater genetic diversity in a population
it does not require specialized sex cells
it requires only one parent
it requires less energy
24
How do some insect species develop resistance to pesticides?
random variation led to population with favorable adaptation
natural selection resulted in unfavorable variations
Because survival depended on it, they developed resistance
some became instantly immune when poison entered environment
25
What field of Biology focuses on how characteristics are passed on to offspring?
genetics
zoology
anatomy
paleontology
26
Plants were studied to see how diff amts of fertilizer affected growth rate. Ind Variable is?
temperature plants were kept at
amount of fertilizer used
amount of water used
rate of growth
27
Octopus and human eyes are very similar, but didn't come from a common ancestor. Explanation?
vestigial structures
fossilized structures
analogous structures
homologous structures
28
The geologic time scale is...
used to show how one species evolved from a common ancestor
a way to represent the layers of Earth
used to determine how long it takes minerals to break down
used to study the evolution of life thru the fossil record
29
How do catalysts increase the rate of chemical reactions in cells?
by increasing kinetic energy and collisions among reactants
lower the amt of energy required to make the reaction occur
by increasing the rate of electron transfer between ions
by replacing the slowest reactants
30
Based on the info shown, what is the most likely relationship between these two organisms?
they have a parasitic relationship
they compete for same ecological resources
they have a predatory relationship, with lynx being prey
they have a predatory relationshiop, with hare being prey