生物
细胞生物学、遗传学、生态学与生命科学基础。
-
which of the following is correct about the autonomic nervous system (a…
E. All of the choices are correct.
-
which division of the autonomic nervous system maintains conditions whe…
A. Parasympathetic
-
the cell bodies of the preganglionic neurons in the sympathetic divisio…
C. in the lateral horns of the T1–L2 spinal cord segments. (assuming the options are labeled A, B, C, D with the third option as C; if the original labeling was different, adjust …
-
this image shows how a certain bacteria grows in a petri dish. what is …
2 (Option C. 2)
-
in which sympathetic pathway does the preganglionic neuron synapse with…
B. Postganglionic sympathetic nerve pathway (assuming the second option is labeled B; if the original options had labels, use the correct label. Since the options are: 1. Splanchn…
-
1. provide two examples of historical and current applications of biote…
1. Historical example: Production of penicillin via fermentation (1940s); Current example: mRNA COVID-19 vaccines. 2. Example: Recombinant human insulin; Impact: Enabled reliable …
-
12. which sentence has the correct subject - verb agreement? in 1977, i…
A. In 1977, in the Midwest, there were millions of dollars of destruction from a tornado that lasted seven hours.
-
why is hardness sometimes referred to as scratchability? * 1 point ever…
B. Every mineral’s hardness can be scratched but by different common objects. This helps to figure out its hardness on the Mohs’ Hardness Scale.
-
name one endocrine gland you interacted with in the game and describe o…
Pancreas: It controls blood sugar levels by secreting insulin, which helps cells absorb glucose from the bloodstream to maintain stable blood glucose concentrations.
-
4. a partial desert food web is shown. which statement describes a rela…
D. Scorpions consume crickets and are prey to rattlesnakes.
-
the foodweb shows the flow of energy through a coastal marine ecosystem…
A. Herbivores would have 10,000 J of energy available. B. Secondary consumers would have 1000 J of energy available.
-
prompt background environmental injustice is a global issue, but it doe…
### Sub - Question 1: Compare & Contrast #### Similarities (Pollution Exposure, Clean Water, Health Outcomes) - **Pollution Exposure**: In both developing countries and the US, ma…
-
question 15 1 pts which statement is false about theories and laws? the…
Question 15: They can never change, even with new conflicting observations. Question 16: False
-
question 8 of 40 in - school suspension has become a popular alternativ…
True
-
1. according to the text, what is artificial selection most often calle…
1. C) selective breeding 2. D) different examples of selective breeding and the impact of selective breeding on some animals 3. A) humans breeding the animals 4. B) These examples…
-
which sentence uses the same meaning of the underlined word in the sent…
D. The objective teacher graded his students on their performance and not on their personality.
-
identifying parts of an atom identify the parts of the atom that are la…
Label A: Nucleus Label B: Electron shell (or electron orbital)
-
which of the following sentences contains an oxymoron? a. before the to…
C. "Take a big sip of this lemonade," Jacob's grandmother cried out.
-
cover - is any part of an animal’s environment and enhancing the surviv…
1. First blank: providing cover 2. Second dropdown selection: raising young
-
- is the where an animal lives - must include an arrangement of all ess…
First blank: habitat Dropdown selection: home range
-
passed in response to consumer demand, ______ which choice completes th…
B. the European Union mandates through certain laws that Genetically Modified Organisms (or GMOs) must be labeled on food packaging.
-
select the correct answer. based on your knowledge of word parts, which…
B. emboldened
-
showtime questions (answer while watching the video) 1. what is biologi…
To solve these biology - related multiple - choice questions, we analyze each one: ### Question 1 - **Explanation**: Biological evolution is about the change in inherited traits o…
-
a very broad category that involves the study of the earth and the univ…
science (the option labeled "science")
-
the understanding of the physical world through observation and experim…
science (the last option, labeled as "science")
-
parchment, reflecting early explorers limited understanding of the worl…
It suggests that, despite the celebrated accomplishments of early navigators, their maps often depended more on conjecture than on empirical observation.
-
symbiotic relationships, which occur when one organism is dependent on …
dependable
-
here is a scatter plot that compares hits to at bats for players on a b…
### Part A # Explanation: ## Step1: Locate 475 At Bats Find the x - value (At Bats) of 475 on the scatter plot's x - axis. ## Step2: Find corresponding Hits Look at the blue dot (…
-
select the text from the paragraph that best helps you understand that …
"the parasite gains a viable habitat to support its life cycle"
-
multiple choice questions...highlight your answer. 1. which of the foll…
B) The scientific idea that microscopic organisms cause illness.
-
the invisible shield: a history of hygiene for most of human history, p…
Since no specific question is provided about the text, it's not possible to give a targeted answer. If you want to ask about the main idea, the historical development of hygiene u…
-
which sentence from the passage best supports the idea that european le…
C. "Other European leaders were not so pleased. They feared that revolutions, even on the other side of the Atlantic Ocean, threatened their rule."
-
in the section about mexico, what was the immediate effect of miguel hi…
B. Indigenous Mexicans were urged to recover land from Spain and a revolution began.
-
what best describes the main reason latin american nations were able to…
C. Spain had previously prevented other nations from trading with its colonies.
-
according to the passage, why were many americans relieved when james m…
B. He returned the nation to a policy of isolationism. ### Second Question (What best describes the main reason Latin American nations were able to open trade with other countries…
-
they stop succession from continuing they help create conditions for ot…
They help create conditions for other organisms to survive ### Question 2 (What is a climax community?)
-
why does secondary succession usually happen faster than primary succes…
B. Soil is already present ### Second Question (What role do pioneer species play in succession?):
-
your teacher set up an experiment to see how the mass of a ball affects…
A. Height of the ramp
-
carina and emily are both studying food chains of the forest. ca sun ->…
C. Both food chains begin with the Sun, then a producer, and then consumers (assuming the third option's full text follows this pattern as inferred from the context and food chain…
-
during the hearing process, which part of the ear sends electrical mess…
1. cochlea 2. proto-languages
-
interpersonal relationship mental health self - talk advocacy emotional…
s (for each dropdown, in order): 1. Interpersonal Relationship: (Wait, maybe the option "The relationship with one’s self and mind" is intended here, but it's intrapersonal. Alter…
-
scenario know is the equation of photosynthesis. photosynthesis is a pr…
### Claim: Photosynthesis stores light energy as chemical energy in glucose. ### Evidence: 1. Photosynthesis equation: $$6\text{CO}_2 + 6\text{H}_2\text{O} \xrightarrow{\text{ligh…
-
number bob cratchit- ebeneezer scrooge’s overworked and underpaid emplo…
Bob Cratchit remains in Ebenezer Scrooge’s employ because he has no viable alternative to support his vulnerable family, faces limited job options in 19th-century Victorian societ…
-
another name for the pectoral muscles is the * gluteus maximus arm ches…
C. chest ### Second Question (Your gluteus maximus muscles are on the front of your body in the chest area?)
-
question 7 of 13 what makes digital and mobile payments a secure altern…
B. Encryption and tokenization
-
what does the carotid artery supply? a deoxygenated blood to kidneys b …
c. Oxygenated blood to brain
-
week 22 directions: write a topic sentence for each paragraph. make sur…
Monday topic sentence: Cats are excellent pets for multiple appealing reasons. Tuesday topic sentence: Paul has a wide range of enjoyable, long-held hobbies.
-
hunger games chapters 6-9 chapter 6 1 how does the tribute parade contr…
The tribute parade is a Capitol - staged spectacle. It parades tributes as glamorous contestants, creating a false sense of entertainment. But the reality is tributes face death i…
-
are the smallest of the bodys blood vessels, measuring 5 - 10 μm in dia…
Capillaries
-
which phase comes next? options: metaphase, anaphase, telophase, propha…
telophase (corresponding to the orange - colored option: telophase)
-
according to cell theory, where did this cell come from? a multicellula…
B. Another living cell
-
how does crossing over promote genetic variation in a population? it cr…
A. It creates new combinations of alleles on a chromosome.
-
how are histones related to nucleosomes? - histones are the core protei…
A. Histones are the core proteins in nucleosomes.
-
what is the next phase of mitosis? anaphase metaphase telophase prophase
C. Telophase (assuming the options are labeled as A. Anaphase, B. Metaphase, C. Telophase, D. Prophase; if the original options have different labels, adjust accordingly, but base…
-
what are two ways australopithecus is more like an ape than a human? (2…
1. Ape-like traits: - Australopithecus had a small cranial capacity, matching ape brain size. - It had curved digits adapted for tree climbing like apes. 2. Human-like traits: - A…
-
this image shows the detailed structure of the tiny mitochondria organe…
B. Transmission Electron
-
allow blood to return from the capillaries to the veins.
Venules
-
produces 2 diploid cells meiosis mitosis mitosis and meiosis
B. mitosis (assuming the purple option is labeled as B, but based on the content, the correct choice is the one with "mitosis" as it produces 2 diploid cells, while meiosis produc…
-
q.1 the ______ is the control center of human body. a. heart b. kidney …
c. brain ### Q.2
-
2 blood vessels - advanced tour 3/10 the is a thin layer of cells that …
endothelium
-
the endothelium is composed of specialized tissue.
epithelial
-
most veins have one - way flaps called
valves
-
quiz question 2 of 5 which of these is not a human activity that impact…
C. Photosynthesis
-
human genetic disorders are: caused by amino acids. inherited. always f…
inherited.
-
quiz question 1 of 5 carbon dioxide is ______. choose one option a a to…
D. a greenhouse gas that traps heat in the atmosphere
-
correct the text by inserting a comma or commas. albert is as youll rec…
Albert is, as you'll recall, an excellent photographer, so he may very well win the photography contest.
-
which type of mutation is shown in the right panel? normal dna and mrna…
Missense mutation
-
which of the following statements about mutations are accurate? select …
- Some mutations are beneficial. - Some mutations are harmful. - Mutations can result from errors in DNA replication.
-
which of the following is a reason that a somatic (body) cell mutation …
The original mutant cell or cells underwent cell division and produced new cells carrying the mutation.
-
in your own words, summarize how australopithecus and other early human…
1. Over millions of years, Australopithecus and early humans first diverged from apes by evolving consistent bipedalism, a trait that freed their hands and shifted their skeletal …
-
u.s. history benchmark 1 item set 3 source 1 events related to industri…
D. The progressive movement helped to pass legislation that improved working conditions.
-
why is a major change in phenotype and function evidence that an organi…
It indicates that genetic material may have been damaged by the exposure.
-
which process is responsible for introducing new allele combinations in…
B. Crossing over
-
charcot-marie-tooth disease is a disease of the peripheral nerves cause…
- The sister chromatid - A non-sister chromatid within the homologous pair - A replication error during mitosis
-
why do you think we draw the distinction between humans and apes at \co…
We draw this distinction because human complex tool use relies on advanced planning, multi-component design, and cross-generational cultural transmission of specialized knowledge,…
-
question 1-3 u.s. history benchmark 1 item set 1 source 1: land in the …
The expansion of the railroad system promoted internal movement and settlement.
-
match each characteristic with the type of application it best describe…
- Requires Internet access to function: Web - based application - Can be used after installation, even without internet: Desktop application - Often stores data in the cloud: Web …
-
23. a limitation of using the speech excerpted to study opposition to t…
s 23. D. advocated avoiding special alliances with particular countries 24. B. Political leaders sought to maintain the traditional distance of the United States from internationa…
-
diaphysis distal epiphysis proximal epiphysis articular cartalidge epip…
To solve this, we analyze each bone structure: ### Diaphysis The diaphysis is the shaft (middle) of a long bone. In the diagram, region B (the long, central part above the expande…
-
mutations & meiosis answer the following questions about the image abov…
1. All these organisms are bivalve mollusks, so they share the same elongated, two-part shell body shape, and they belong to the same broad species group with a shared basic genet…
-
bm13 study guide quiz (a) nativist campaigns led to the passage of quot…
C. Migration of African Americans gave rise to new forms of art and literature that expressed ethnic identities. #### Question 21:
-
what can rock layers tell us about earths history? what comes to mind w…
Rock layers are Earth's "historical archives": they use superposition (oldest at the bottom) to date events, contain fossils that track the evolution of life over millions of year…
-
4. the development depicted in the excerpt had most in common with whic…
D. The efforts to mobilize popular support for the First World War ### Question 5
-
a chemist studies chemistry. a biologist studies biology. a mycologist …
geologist
-
1 geology is the study of earth’s rocks, landforms, history, and the fo…
☑ Processes that form rocks and minerals ☑ The structure of Earth's layers ☑ Past climates and life forms
-
question #9 cell differentiation is the result of gene expression. gene…
D. They bind to mRNA.
-
8. study the graph below. it illustrates the effect of ph on the rate o…
The enzyme’s activity increases to an optimal pH (where it’s highest) and then decreases as pH deviates (becomes more acidic or alkaline) from that optimal pH. #### (b) What type …
-
which statement best explains the reason for the absence of chlorophyll…
D. The gene for the production of chlorophyll is not expressed.
-
worksheet name a diagram below illustrating a chemical reaction that oc…
1 ### Question 2
-
what is the density of an object that has a mass of 5 kg and a volume o…
The density of the object is $0.1\space kg/m^3$, so the correct option is B. 0.1 kg/m³
-
read the text. when non - native species are introduced into new areas,…
cause-effect
-
read the text. a biological toilet, or composting toilet, isnt hooked u…
sequential
-
read the text. the color of your hair depends on how much of each type …
cause-effect
-
9 multiple answer 2 points in the anglo - saxon culture, which of the f…
B. Life is tragic, C. the Warrior - Hero is the ultimate human, D. Kings and Queens are not expected to listen to the people
-
evolution nova virtual reading & making cladogram lab training trees di…
1. a unique evolutionary trait or a new lineage (the point where a new trait evolves and a group diverges) 2. node (common ancestor of the branching lineages) 3. Speciation is the…
-
read the text. a blacksmith makes objects such as tools, decorative ite…
sequential
-
read the text. at very high altitudes, the air holds less oxygen. recen…
cause-effect
-
a hummingbirds nest is 12 meters high in a tree and a flower is on the …
13 meters
-
c. cause and effect. match each effect with its cause listed below. eff…
1. D. He shared power with Parliament. 2. B. The British government was too far away to deal with daily problems. 3. G. In Great Britain, the Parliament represented the people. 4.…
-
1. what opinion does the text provide the main idea or the text? (ri.5.…
1. The main idea of the text is that scientists launched two jumping spiders into space as part of a student-designed experiment to study how microgravity affects their hunting be…