Biology
Cell biology, genetics, ecology, and life science fundamentals.
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which best describes a dichotomous key? each step has two choices. each…
A. Each step has two choices.
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dichotomous key 1 2 3 4 5 organism x 9 6 7 organism y 8 10 organism z w…
B. branch 3
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how is a dichotomous key used? the organism is compared to paired pictu…
C. Observable characteristics of the organism are checked through a sequence of two - part steps until an identification is listed in the key.
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5. a. hind wings smaller than front wings. order ephemeroptera b. front…
D. Odonata
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which is the best definition of a phylogenetic tree? ○ a table of class…
C. a branching chart that depicts evolutionary relationships among organisms
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what specific interest led susan thomas to switch her major from biolog…
C. Her fascination with the technology of medicine, such as CAT scans and surgical lasers.
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why is it important to classify the millions of species on earth? ○ to …
D. to organize them and speak about them accurately
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which statement accurately describes the final phase of meiosis as diag…
The final phase of meiosis indicates non - disjunction. (The option "The final phase of meiosis indicates non - disjunction.")
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what is binomial nomenclature? a two word system for naming organisms b…
a two word system for naming organisms by using the genus and species
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which taxonomic group includes kingdoms and all other levels of taxonom…
B. domain
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which type of evidence is least likely to result in changes to a phylog…
D. physical characteristics
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what type of phenomenon of nondisjunction is represented by the blue ce…
The blue cell is about to divide.
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which phase of meiosis involves the separation of chromatids? anaphase …
anaphase II
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the species that is known as a robin in england has a yellow breast, an…
C. Different species can share the same common name.
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which level of taxonomy has the fewest organisms? ○ domain ○ kingdom ○ …
D. species
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why is taxonomy important? ○ taxonomy allows scientists to analyze dna …
B. Taxonomy allows a better understanding of relationships among species.
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which identifies the main purpose of biological taxonomy? ○ classify or…
The option "use a systematic method to name, organize, and show relationships among species" (the third option in the list).
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unit name: family life and human sexuality 1. the male reproductive cel…
1. Sperm 2. Testicle 3. Scrotum 4. Vas Deferens 5. Urethra 6. Penis 7. Semen 8. Erection 9. Ejaculation 10. Nocturnal Emission
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which statement accurately explains the nature of the blue circled chro…
It is haploid due to non - disjunction.
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which cell contains the correct amount of genetic material? i. ii. iii.…
cell II
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question 13 1 pts during the energy crisis of the 1970s, california ...…
A. increased efforts to develop alternative energy.
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question 15 a man who is a carrier for pku marries a woman who does not…
the woman is also a carrier for the disease
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in a cladogram, what occurs at a node? a derived trait appears. evoluti…
A. A derived trait appears.
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male reproductive system label the male reproductive system with the wo…
From top to bottom (and left - right as appropriate): 1. Vas Deferens 2. Urethra 3. Penis 4. Testicle 5. Scrotum
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which of the following is an example of reproductive isolation? ○ two p…
A. two populations of finches that cannot produce viable offspring
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mr. morales is teaching a lesson on classification. he says that spider…
C. If spiders evolved first, six legs is the derived trait.
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% babies born at different weights which statement is a valid claim tha…
B. Stabilizing selection is occurring because the average is favored.
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evolution is change in a population over time and includes the gene poo…
B. Biogeographic isolation causes changes in gene pools that result from populations being separated.
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3) when parking on a hill with a curb, a motorist should park within 10…
b) False ### Question 4
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159- what are the four factors of population size? _______, _______, __…
The four factors of population size are birth rate, death rate, immigration, emigration.
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henry was studying two populations of the same species of lizards. one …
B. Genetic drift greatly affects small populations, but large populations can recover.
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which type of selection leads to increased phenotypic and genetic varia…
B. disruptive selection
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in a cladogram, when does a group of organisms branch off? ○ when a new…
A. when a new trait evolves
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male reproductive system label the male reproductive system with the wo…
Top - left: Urethra; Middle - left: Penis; Bottom - left: Vas Deferens; Right - top: Testicle; Right - bottom: Scrotum
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which of charles darwins main points is depicted in the image? - organi…
A. Organisms within a population compete with each other to survive.
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question 17 king henry viii of england wanted to end his marriage so th…
A. Henry broke with the Catholic Church and formed the Church of England.
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8) a changing space zone is one that is: a) currently obstructed (close…
d) Both a and b ### Question 9
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158. the key features of a population are _______, _______, _______
population size, population density, population distribution
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consider the two male oryx that are shown below. which of charles darwi…
A. Organisms within a population compete with each other to survive.
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why are the miller-urey experiments essential to the theory of evolutio…
C. They showed how organic molecules could be made from Earth's early atmosphere.
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which of the following is a biotic factor that increases population gro…
high reproductive rate
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thylacosmilus is a marsupial, and smilodon is a mammal. thylacosmilus a…
A. analogous structures
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which animal has the highest biotic potential? a bird that only nests i…
a fish species that lays thousands of eggs and lives in many environments
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which of the following best defines a gene pool? the sum of all genetic…
the sum of all genetic traits in a population’s individuals at a given time
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which factor would most likely cause a population decrease? stable chem…
specialized niche
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charles darwin hypothesized that some individuals would be better equip…
B. Thomas Malthus, who studied population growth
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scientists notice structural similarities between fossils of a land ani…
B. common ancestry
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which of the following is an abiotic factor that influences biotic pote…
suitable habitat
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which best describes the fossil record? ○ the fossil record cannot prov…
B. The fossil record provides evidence of a common ancestor to many species.
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question 12 in the pedigree above, circles represent females, squares r…
C. Autosomal dominant inheritance
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what will most likely happen to the population of moths in this habitat…
B. The moths will evolve from dark to light due to a selective pressure.
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a bird that preys on moths is introduced to the habitat with moths and …
The population of light - colored moths will likely increase (and dark - colored moths will likely decrease) because the light - colored moths are better camouflaged from the pred…
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a biology teacher asks students to give examples of genetic variations …
A. changes in genetics in human populations
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consider the generalized cladogram of fish. a fossilized fish is found …
B. The fossil belongs to position B on the cladogram.
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a scientist is trying to determine the relationship between clams, snai…
B. Clams and squid have been evolving separately for a shorter time than clams and snails.
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which best describes biogeographic isolation? ○ it always leads to the …
C. It is a mechanism for evolution.
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a student has written a paper about a deer population that was separate…
A. Speciation by Geographic Isolation
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which best illustrates a result of natural selection? ○ a bat that is b…
giraffes having increasingly longer necks over time
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upon assuming the presidency in 2001, george w. bush multiple choice de…
A. declared that he would reduce America's military presence abroad.
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what is a karyotype? a tool used by geneticists to diagnose genetic dis…
A. A tool used by geneticists to diagnose genetic disorders.
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the circled portion contains three chromosomes. what is the total chrom…
47
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compared to the sex chromosomes, how many genes do the autosomes carry?…
A. more genes
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what organism must this karyotype be a photograph of? asexual plant mal…
D. female chimpanzee (assuming the options are labeled A: asexual plant, B: male elephant, C: organism with 46 chromosomes, D: female chimpanzee)
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practice with pedigrees pedigrees are good for tracking disorders withi…
recessive
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practice with pedigrees a pedigree is a genetic family tree, or a famil…
B. left to right, starting with the oldest individual
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since it does not show up often in a pedigree, what kind of allele is a…
a recessive allele
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what is the arrow is pointing to? pedigree chart with a red arrow point…
C. an affected male (assuming the third option is labeled as such; if options are A - D with the third being "an affected male", then the answer is the option with "an affected ma…
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what can an epistatic gene of one locus do to the effect of a gene of a…
It can mask the gene's effect.
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skin color is affected by multiple genes and environmental factors like…
multifactorial character
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dominance in genetics is on a spectrum. how many recessive alleles for …
1 (the option with "1")
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which of the following is the best rebuttal for the counterclaim below?…
The option: "Pit bulls are genetically dangerous because they were bred to bait bulls and fight each other."
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which of the following is an example of codominance, an exception to me…
ABO blood types
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name class date section 10-2: note taking guide (continued) keeping hea…
a. cleanliness b. sexual abstinence c. protection from trauma d. self - exams e. medical checkups
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section 18-2 note taking guide the male reproductive system (pp. 464–46…
b. Penis c. Epididymis d. Vas deferens e. Accessory glands
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the student’s story uses events and character choices to explore the th…
Add a resolution where Jordan's friends respond to his graffiti mistake and show they still value him.
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in \monster\ (source 2), how does the description of the mirror in the …
D. It shows he doesn't recognize himself anymore, which makes him feel lost.
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activity in this activity, youll read a passage about manifest destiny.…
Social Science - History
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what were the results from chargaffs experiment? select all that apply.…
B. adenine binds with thymine, E. cytosine binds with guanine
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1/30 the 8 levels of classification, most inclusive to most least order…
The correct option (assuming the fourth option is "Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species") is the one with this sequence. If we consider the options as pre…
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when a ribosome eads\ a strand of rna, it recognizes codons, three-base…
True
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transfer rna is the type of rna that associates with proteins to form r…
O False
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over a 4-month period, among 100 people with a psychological disorder, …
B. The subjects are 100 people with a psychological disorder. ### Part c)
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3. which biomolecule stores most of the energy produced during photosyn…
d. Carbohydrate ### Question 4
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in the nucleus, dna is coiled around histones into a(n) select choice, …
nucleosome
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the graph represents a persons heart rate in beats per minute during 30…
The heart rate increases for 6 minutes, remains constant for 19 minutes, and then gradually decreases for 5 minutes. (The third option among the given choices)
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when dna is replicated, it is catalyzed by dna polymerase, an enzyme re…
A. True
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the ability of an escherichia coli bacterium to control its gene transc…
gene regulation (or transcriptional regulation)
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5. what is the experimental group? a. the tank with regular food b. the…
b. The tank with new food ### Question 6
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how did indian and chinese culture spread? 7. briefly describe the infl…
- **India**: Indian merchants, Hindu priests, and Buddhist monks/nuns spread Hinduism, Buddhism, art (e.g., temple architecture), language (Sanskrit influence), and governance con…
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george beadle and edward tatum developed a hypothesis known as “one gen…
one enzyme
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during replication, the double helix is unwound by the enzyme select ch…
helicase
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which of the following epithelia is most resistant to gonorrhea? vagina…
Vagina of an adult female
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8. you place an organism in an indicator that is yellow (between co₂ an…
a. Green ### Question 9
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final exam review homework #2 - due photosynthesis 1. which of the foll…
c. Water, carbon dioxide, sunlight ### Question 2
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three key features of the nephrotic syndrome are: cellular crescents, l…
D. proteinuria, hypoalbuminemia, and edema
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white blood cell casts in the urine suggest: cystitis (bladder infectio…
C. pyelonephritis (assuming options are labeled A: cystitis, B: leukemia, C: pyelonephritis, D: decrease urine pH; if original labels differ, adjust, but based on medical knowledg…
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the graph represents a persons heart rate in beats per minute during 30…
The heart rate increases for 6 minutes, remains constant for 19 minutes, and then gradually decreases for 5 minutes. (The third option among the given choices)
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match the following descriptions to the type of mutation. | description…
1. The substitution that changes the codon for an amino acid to a stop codon: Nonsense Mutation 2. The addition of a nucleotide to the DNA sequence: Insertion Mutation 3. The DNA …
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8. explain how the effects of water within the genesee river basin (fou…
### Genesee River - **Spatial**: Water effects (erosion, flow, ecosystems) span a large river basin (watershed, floodplains, channel) across broad geographic areas. - **Temporal**…
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papillary carcinomas of the renal pelvis, the ureters, and the bladder …
Transitional cell carcinoma (the option labeled "Transitional cell carcinoma" among the choices)