Biology
Cell biology, genetics, ecology, and life science fundamentals.
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where do motor neurons from the brain connect with peripheral neurons? …
Anterior horn
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hobbes and locke enlightenment, a period challenging traditional author…
The people have the right to overthrow a corrupt government.
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part 2: climate change impacts aside from the cause of rising global te…
Rising sea level is a growing climate change impact driven by ocean thermal expansion and land ice melt. NASA data confirms global sea levels have risen ~20cm since 1900, with the…
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multiple choice question what is the primary purpose of hormones? to de…
To regulate bodily functioning and growth
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23 matching 2 points match each domain below with the swot dimension it…
## Question 23 - External, Positive → Opportunity - Internal, Positive → Strength - Internal, Negative → Weakness - External, Negative → Threat ## Question 24 - Our supply chain i…
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21 multiple choice 2 points amazons auto - delivery service is an examp…
21. Execute the process 22. Monitoring the process 23. External, Positive: Opportunities Internal, Positive: Strengths Internal, Negative: Weaknesses
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at which of the following temperatures will 19% of leopard gecko hatchl…
A. 29°C
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grasses along the chesapeake bays shoreline which of the following best…
B. Local communities harvest and eat soft - shell clams.
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two indus river dolphins emerging from the water complete the statement…
- Due to habitat fragmentation, populations of Indus River dolphins have likely become \boxed{geographically} isolated. - In turn, the exchange of genetic material between these p…
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bounce back after disturbances and other environmental changes. which o…
B. Functionally redundant species perform similar roles, ensuring that ecosystem functions continue even if some species are lost.
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however, due to climate change, temperatures throughout the arctic are …
- Climate change is causing the Arctic to become warmer. As a result, snow is melting earlier in the spring. - Photoperiod is not affected by climate change. So, if snow begins to…
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species at each atoll along transects, which are marked underwater path…
A. alpha (α) diversity
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population size of ghost orchids has decreased by more than 90%. much o…
B. overexploitation
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to measure shell dissolution, edosa and his colleagues measured the dia…
- As saltwater pH decreases, Pacific oyster shells \(\boldsymbol{\text{decrease}}\) in diameter. - So, shell dissolution of Pacific oysters will likely \(\boldsymbol{\text{increas…
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at which of the following temperatures will 74% of leopard gecko hatchl…
C. \( 33^\circ \text{C} \)
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temperatures throughout the arctic are increasing. this has resulted in…
- Climate change is causing the Arctic to become $\boldsymbol{\text{warmer}}$. As a result, snow is melting $\boldsymbol{\text{earlier}}$ in the spring. - Photoperiod is $\boldsym…
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estuaries to bounce back after disturbances and other environmental cha…
B. Functionally redundant species perform similar roles, ensuring that ecosystem functions continue even if some species are lost.
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in poetry, a haiku poem is a japanese style which features one short ve…
**Title: Hushed Winter Pause** Soft snow mutes loud streets Flakes stitch white to frozen grass Quiet wraps the world
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（the chart part is omitted, and the text part is mainly the options a, …
A. Graph A (with the number of species showing a continuous decline over time after the initial drop)
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question 5 the space between two neurons is called the ______. ○ soma ○…
synapse
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apply: disturbance and resilience in ecosystems google classroom micros…
A. A wildfire burns through a forest and ferns grow back. B. A hurricane floods a marsh and sedges grow back.
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question 4 the myelin sheath is made from ______. axons glial cells som…
glial cells
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which of the following best describes an example of a supporting ecosys…
C. Marshes and wetlands contribute to the fundamental process of soil formation.
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a mature, healthy eastern hemlock tree (left) and a branch infested wit…
s for First Statement: First blank: invasive Second blank: outside ### Second Statement:
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cows grazing in an open field match each example from arcelias ranch to…
- ecosystem diversity: wildlife habitats: estuaries, grasslands, and wetlands - species diversity: plants around the pasture: mesquite, quebracho, and toothpick cactus - genetic d…
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which of the following hypotheses did the biologists most likely make b…
A. If Hawaiian honeycreepers go extinct, then plant pollination rates will decrease.
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during the 1960s and 1970s, the population size of brown pelicans decre…
C. pollution
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an adult emerald ash borer (left) is about the size of a small coin. ho…
s: - In North America, the emerald ash borer is considered a(n) **invasive** species because it is **outside** its native range and causes harm to native ash trees. - When emerald…
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ground—resources that some forest birds would typically eat and dispers…
A. If Guam forest birds go extinct, then seed density near parent plants will increase.
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______ asserts that our genes set the boundaries within which we can op…
D. range of reaction
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an iberian lynx mother with two cubs complete the statements. - due to …
- Due to habitat fragmentation, populations of Iberian lynxes have likely become $\boldsymbol{\text{geographically}}$ isolated. - In turn, the exchange of genetic material between…
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aerial images of minicoy atoll (left) and salomon atoll (right) which l…
B. beta ($\beta$) diversity
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which of the following statements best supports the claim that ostriche…
A. Ostriches and cardinals have feathers while bats have fur.
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are more closely related to humans than to fish? from left to right: a …
B. Dolphins and humans have forelimbs with a similar bone structure, but fish do not.
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a scientist claims that fish are more closely related to chickens than …
A. embryological evidence
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which of the following best describes the term extinction? choose 1 ans…
B. the disappearance of a group of organisms because members of the group can no longer survive and reproduce
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been discovered on other continents, including antarctica and parts of …
C. Marsupial ancestors migrated across continents when they were connected as a single landmass.
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the evolutionary tree below shows relationships among multiple eukaryot…
C. primates
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frogs and snakes share a common ancestor that lived in the distant past…
B. Frogs and snakes have shared DNA sequences that they inherited from their common ancestor.
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homework content question 1 changes in behavior and cognitive processes…
C. evolutionary psychologists *Note: The initially selected option is incorrect. The correct field for studying changes in behavior and cognitive processes over time is evolutiona…
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and donkeys have 20 amino acid differences. from left to right: a black…
B. black mambas and red junglefowl
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which of the following is true of extinctions? choose 1 answer: a extin…
A. Extinctions are permanent and irreversible.
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which of the following best describes how molecular data can provide ev…
A. Species with more similarities in their DNA sequences are likely more closely related.
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which of the following trees best represents the hypothesis that a. gra…
B. A. sagrei A. opalinus A. grahami A. conspersus (with the corresponding tree structure where \( A. \text{grahami} \) and \( A. \text{conspersus} \) are more closely related than…
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deforestation led to the extinction of a small ground dwelling rodent. …
B. Deforestation led to a loss of shelter for the rodents, and they were no longer able to survive.
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species 1 100% 91% 73% species 2 100% 72% species 3 100% based on the d…
B. Species 1 is more closely related to Species 2 than to Species 3.
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which of the following methods would be best for determining the evolut…
C. comparing the DNA sequences and anatomical features of the species
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based on the tree, which group of organisms most likely has egg shells?…
A. reptiles
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which of the following trees best represents the hypothesis that l. art…
A. \( L. \) arthemis \( M. \) cymela \( V. \) cardui (tree structure showing \( L. \) arthemis more closely related to \( V. \) cardui than to \( D. \) plexippus)
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species 1 species 2 species 3 species 1 100% 81% 85% species 2 100% 74%…
B. Species 1 is more closely related to Species 3 than to Species 2.
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fish reptile human which of the following statements is best supported …
B. Fish, reptiles, and humans share a common ancestor that had embryonic gill slits.
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a scientist claims that crocodiles and birds are more closely related t…
B. molecular evidence
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humans and chimpanzees share a common ancestor that lived in the distan…
C. Humans and chimpanzees have shared anatomical features that they inherited from their common ancestor.
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which of the following best describes how molecular data can provide ev…
B. Species with more differences in their amino acid sequences are likely less closely related.
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understand: evidence of common ancestry google classroom microsoft team…
A. comparing the amino acid sequences and fossil lineages of the species
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which of the following environmental changes is most likely to lead to …
C. a large, rapid decrease in the frogs’ primary food source
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which of the following best describes the term extinction? choose 1 ans…
C. the dying out of a group of organisms due to the group’s inability to survive and reproduce
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which of the following is true of extinctions? choose 1 answer: a an ex…
B. If a population goes extinct, its collection of genes are lost and cannot continue to play a role in its species’ evolution.
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extensive chemical pollution occurred over a short period of time in an…
B. Pollution led to a loss of clean water and resources for the marshland salamanders, and they were no longer able to survive.
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which of the following best describes why the fossil record is biased t…
B. Fossils are more likely to form from organisms with hard body parts, such as bones, shells, and teeth.
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which of the following traits provides the strongest evidence that all …
C. vascular tissue
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based on this information, which two species are most closely related? …
A. humans and chimpanzees
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from left to right: an american alligator, a hoatzin, and a green frog …
B. Crocodiles and birds have eggs that are protected by an amniotic membrane, but frogs do not.
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from left to right: a mountain zebra, a house mouse, and a red kangaroo…
A. red kangaroos and mountain zebras
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which of the following statements best describes why genetic variation …
B. Genetic variation allows some individuals in a population to have a higher likelihood of producing offspring.
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which of the following statements best reflects the data shown in the g…
A. The number of spines for individuals in the cactus population ranges from 60 to 130 spines. B. Of the ranges shown, the range from 80 to 90 spines contains the greatest number …
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a grassland experiences several consecutive years with increased temper…
A. Some species will reproduce at higher rates in the warmer environment, and some will reproduce at lower rates.
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which of the following describes what will most likely happen to a popu…
B. Two separate species of antelope will emerge as the isolated populations adapt to differences in their environments.
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question 21 (2 points) most information about the number of children ap…
d) Juvenile Court Statistics
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which of the following contribute to a populations heritable genetic va…
B. sexual reproduction and mutations
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which of the following best describes evolution? choose 1 answer: a a c…
A. a change in the genetic composition of a population over many generations
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which of the following best describes how adaptation in a population ca…
B. A population adapts over time as individuals with traits that are better suited to their environment produce more offspring.
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hundred zebras. the primary functions of these social groups include ca…
C. Organisms, such as zebras, use a combination of individual and group behaviors to maximize their fitness.
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which of the following describes the most likely scenario for how one o…
C. The thick beak trait became common in large ground finches because it allowed them to crack open abundant, thick - shelled seeds in the environment.
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which of the following are examples of organisms carrying out a group b…
B. anchovy schooling, C. locusts swarming
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which of the following best describes a result of a moderate environmen…
A. Selective pressures on species in the ecosystem will change, affecting which traits are advantageous in the new environment.
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and skilled at defending themselves using their sharp claws and teeth. …
A. The behavior increases the chance that the genetic relatives of the prairie dog that makes the call will survive to reproduce.
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which of the following statements is true about the relationship betwee…
A. Human - induced environmental changes can lead to the emergence of new species.
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which of the following describes what will most likely happen to a popu…
B. Over time, the spider populations will evolve into distinct species as they adapt to differences in their environments.
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which of the following best describes a result of a moderate environmen…
B. Selective pressures on species in the ecosystem will change, affecting which traits provide a reproductive advantage in the new environment.
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which of the following statements is true about the relationship betwee…
A. Naturally occurring environmental changes can lead to the extinction of species.
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which of the following claims is best supported by the information prov…
A. Organisms, such as lions, use both individual and group behaviors to maximize their chances of survival and reproduction.
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understand: evolution of group behavior google classroom microsoft team…
A. fish schooling, B. wildebeests migrating
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they have eaten and donate it to family members who are unable to feed.…
A. The behavior increases the chance that the genetic relatives of the vampire bat making the donation will survive.
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understand: evolution of group behavior which of the following are like…
B. a higher likelihood of survival for individuals in the group C. a higher likelihood of survival for the group as a whole
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a population of guppies live in a stream. the male guppies exhibit a wi…
C. female guppies preferring to mate with brightly colored males
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a scientist claims that the hard shell of oysters is an adaptation that…
A. Oysters with thick, hard shells have higher rates of survival and reproduction than those that have thinner shells due to ocean acidification. C. All oysters have shells to pro…
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which of the following are definitions of the term adaptation? choose 2…
B. a heritable trait that increases an organism’s fitness in its environment D. a process by which heritable traits that increase organisms’ fitness in their environment become do…
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which of the following describes an adaptation? choose 1 answer: a the …
C. thin, hollow bones in a bird, which make the bird’s skeleton lighter for flying
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scientists have observed that populations of salmon are migrating 2 wee…
A. The genes underlying the trait for earlier migration have become more common in the population.
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number of tomatoes produced which of the following statements best refl…
A. As the number of plants in the population increases, the number of tomatoes produced increases, then decreases. C. The number of tomatoes produced by individual plants in the p…
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choose 1 answer: a through natural selection, individuals gain traits t…
C. Due to natural selection, individuals with adaptive traits have higher rates of survival and reproduction, and as a result, these traits become more common in the population.
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which of the following describes the most likely scenario for how one o…
B. Having a large body became common in male river salmon because it helped them attract females for mating.
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a population of moths lives in a forested area where they spend dayligh…
B. birds preying on moths that are visible on certain tree trunks
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which of the following statements best reflects the data shown in the g…
A. Of the ranges shown, the range from 220 and 260 seeds contains the greatest number of individual plants. B. As the number of plants in the population increases, the number of s…
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which of the following describes the most likely scenario for how one o…
C. The green color trait became common in the trunk - crown anoles because it provided camouflage from predators in their leafy habitat.
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natural selection. which of the following statements provide support fo…
A. Dungeness crabs with stronger exoskeletons have higher rates of survival and reproduction than crabs with exoskeletons that have been weakened by ocean acidification. (Note: Th…
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apply: natural selection and adaptation which of the following describe…
B. bright coloration in a frog, which signals to predators that the frog is poisonous
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based on this change in phenotype frequency, what must be true about ge…
A. Over 35 generations, the genes underlying the trait for larger body size have become more common in the population.
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choose 1 answer: a natural selection results in a higher rate of surviv…
A. Natural selection results in a higher rate of survival and reproduction for individuals with traits that are well suited to the local environment, allowing these traits to beco…