Biologie
Zellbiologie, Genetik, Ökologie und Grundlagen der Lebenswissenschaften.
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some basic roles of ______ are to regulate metabolism, growth, and repr…
C. hormones
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multiple choice question due to their chemistries, ______ are hormone w…
C. steroid; protein (assuming the third option is labeled C, but based on the options given in the image, the option with "steroid; protein" is the correct one)
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multiple choice question which of the following correctly describes a t…
A. A cell that has a specific receptor for a hormone.
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select all that apply which of the following are considered endocrine g…
A. Pituitary gland, D. Thyroid gland
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select all that apply which of the following are characteristics of cir…
- Cells that react to a hormone have specific receptors for that hormone. - Hormones are secreted into the interstitial fluid and then enter the bloodstream. - Hormones may affect…
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what is the main source of human - generated carbon dioxide in the atmo…
burning fossil fuels
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which process involves carbon moving directly from the biosphere into t…
the decomposition of plants on the forest floor
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which are all the correct products of respiration? (1 point) water and …
carbon dioxide, water, and energy
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what happens to carbon in plants when the plants die? (1 point) the car…
The carbon is released into the environment.
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three basic defenses against infection: note blanks 1. skin and mucous …
### 1. Skin and Mucous Membranes - Bacteria - Killing Secretions - **Saliva**: Contains enzymes like lysozyme that can kill bacteria. - **Tears**: Have lysozyme and other substanc…
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while researching a topic, a student has taken the following notes: - t…
B. Also known as the owl parrot, the Kakapo, is a nocturnal, flightless bird native to New Zealand, weighing up to 4 kilograms, making it one of the world’s heaviest parrots.
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a guy wire runs from the top of a cell tower to a metal stake in the gr…
105
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in all organisms, cells are the most basic units of structure and funct…
## First Question Correct Options: b. The hamster is multicellular. c. The amoeba is unicellular. ## Second Question Correct Options: a. Cells are the most basic units of structur…
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question 11 a team of researchers is studying whether temperature affec…
The input is the rate of the chemical reaction.
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students are reading a graph showing bacterial growth in a petri dish a…
Eli: The range is the set of positive integers (you cannot have a fraction of a bacterium), so the range is not all positive real numbers.
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the table shows the ages and weights of babies at a hospital. newborn c…
positive
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activity 1 text about independent/dependent clauses, identifying them a…
1. (d) 2. (i) 3. (d) --- # Activity 2
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10. match the type of unmanned space vehicle with the correct example. …
1. $\boldsymbol{\text{orbiters}}$ - c. Mars Express 2. $\boldsymbol{\text{space probes}}$ - a. Luna 1 3. $\boldsymbol{\text{landers/rovers}}$ - b. Mars Pathfinder 4. $\boldsymbol{…
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name ivana hernandez corona due friday, january 25, 2026 celebration of…
The water in the can is boiling (undergoing vaporization), changing from liquid water (\( \ce{H_2O(l)} \)) to water vapor (\( \ce{H_2O(g)} \)) as it reaches its boiling point at 1…
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8. how long is the international space station? a. the size of a large …
c. the length of a football field
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3. launched in 1971, the first space station was _____. a. sputnik i b.…
d. Salyut 1
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ne piece of evidence that supports the big bang theory? a. the rotation…
D. A weak signal of cosmic microwave background radiation ### Second Question (Main Idea of Paragraph 2)
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which statement best explains a difference between a character vs. self…
A. A character vs. self conflict is an internal conflict, while a character vs. character conflict is an external conflict.
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which conflicts are examples of external conflicts? select three option…
- When my email password was denied for the third time, I realized that my account must have been hacked. - Realizing that the law was not going to be vetoed, the congresswoman re…
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which type of subatomic particle does not reside in the nucleus of an a…
C. electrons
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1. explain watson and cricks double helix model of dna.
Watson and Crick's double helix model of DNA is defined by the following key features: 1. **Structure**: A right-handed double helix composed of two polynucleotide strands. 2. **A…
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question 10 the fossil record for an organisms lineage reveals that spe…
A. Stasis C. Punctuated equilibrium
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question 8 as organisms adapt to a particular environment, a type of na…
a. Fossils would show an extended period of stasis in which the fossil characteristics do not change.
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what can be concluded from the fossil record? select one: a. terrestria…
a. Terrestrial organisms evolved from aquatic organisms slowly over long periods of time.
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the theory of punctuated equilibrium states that evolutionary change is…
a. [Graph with flat horizontal lines (stasis) interrupted by vertical jumps in phenotype, with fossil markers at the transitions]
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the arrow indicates a rapid change in organisms due to environmental ch…
b. The emergence of a new species is seen in the fossil record.
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optional: there was extra paper. if you feel this would be helpful, use…
### Diagram Labels (matching word bank): - DNA molecule (top double helix) - H-bonds (arrow to DNA base pairs) - transcription (first downward process arrow) - pre-mRNA (first RNA…
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the wollemi pine is referred to as a living fossil because its pollen g…
d. The Wollemi pine is an example of stasis because its pollen shows little or no evolutionary change over a long period of time.
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gradualism and punctuated equilibrium are two theories that describe ho…
a. Gradualism suggests that species change slowly over a long period of time.
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after studying the fossil record of the seahorse, scientists have deter…
a. Modern seahorses evolved due to natural selection.
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a scientist creates a diagram that sorts organisms based on their obser…
cladogram.
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australopithecus homo erectus homo sapiens neanderthalensis homo sapien…
gradualism.
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fossil record time morphology one example of select is finding dark - c…
punctuated equilibrium
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if all fossils observed across a long period of time are nearly identic…
stasis
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tracking many generations of an organisms ancestors would help establis…
lineage.
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remnants of organisms that have been found underground are archived and…
fossil record.
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the geoscientific community accepted the after seafloor spreading was v…
plate tectonic theory
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which characteristics of bacteria help them infect other organisms? che…
Bacteria reproduce quickly Bacteria have a protective layer called a capsule Bacteria can evolve quickly because they can pass on genetic information Bacterial infections cause sy…
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3. gulli oʻsimliklarda urgʻochilik gametalarining rivojlanishiga oid do…
To solve this, we analyze the stages of female gametophyte development in flowering plants (angiosperms) as described (in Uzbek) and match with the diagram: ### Step 1: Identify S…
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use the drop - down menus to answer the questions about genetic recombi…
Transformation involves scraps of genetic material. Transduction uses a virus to transmit genetic material. Conjugation uses a pilus to transmit genetic information. Genetic recom…
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use the drop - down menus to answer the questions about genetic recombi…
Genetic recombination (all 3) involves the transfer of genetic material from one bacteria to another Transformation involves scraps of genetic material. Transduction uses a virus …
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multiply binomials 1 ( 3x−5 )( x+1 ) answer: 2 ( 2x−3 )( x+3 ) answer: …
1. $3x^2 - 2x - 5$ 2. $2x^2 + 3x - 9$ 3. $3x^2 - 8x + 4$ 4. $5x^2 + 19x + 12$ 5. $2x^2 + 11x + 5$ 6. $2x^2 + 5x + 2$ *(Note: For each box method grid, fill the cells as follows: 1…
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bird wings and butterfly wings are both used for flying but are very di…
b. Analogous structures
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question 8 paleontologists have recovered and studied the fossil remain…
a. Fossils show how today's life-forms are similar to organisms of the distant past.
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question 7 developmental homologies are shared between embryos of diffe…
d. Presence of teeth in developing baleen whales
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embryology is a branch of science that studies embryos. similarities in…
d. More characteristics in common with amphibians, indicating a more recent common ancestor
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a. the bone cells of all these organisms have identical dna. b. these s…
D. These species have descended from a common ancestor. E. Their bone structures indicate anatomical homologies.
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| organism | biochemical data | | --- | --- | | amoeba | amino acid seq…
a. Cat and kangaroo
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animal cells legs antennae wings wings worm x spider x x carpenter ant …
a. Worm and housefly
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marsupials are mammals found only in isolated regions of australia and …
b. Biogeographic isolation
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question 10 most of the components necessary for viral reproduction are…
c. Genetic material
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during the lytic cycle, the bacteriophage takes over the cell, reproduc…
a. Access cellular processes for replication
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question 8 chickenpox is an infectious disease caused by the varicella …
b. Lysogenic because the virus is hidden for many years
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question 6 a biologist is researching a novel virus and intentionally i…
Lytic cycle
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a study is done on the number of bacteria cells in a petri dish. suppos…
Initial population size: 1700 Growth/decay: growth Hourly percent change: 5%
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question 5 vaccines help develop immunity by imitating an infection. wh…
a. Antibodies are created to help an organism fight off similar viral infections later.
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the function of the viral capsid is to protect the integrity of the vir…
a. Nucleus
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covid-19 is a disease caused by a virus named sars-cov-2. it has a crow…
d. To attach to a host cell
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the serengeti national park (dice activity) what cascading effect(s) wi…
(for Vulture as 1st throw example): - Cascading effects: Slower carcass decomposition, increased disease - spreading agents, scavenger competition. - Keystone? Yes, due to vital r…
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throat). both infections cause fever and sore throats. coxsackievirus s…
c. They contain DNA. d. They lack membrane-bound organelles.
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question 1 a virus particle is a nonliving, microscopic agent composed …
a. Genetic material in viruses is protected by a capsid. d. Genetic material in viruses can be composed of either DNA or RNA.
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the serengeti national park (dice activity) 1= spotted hyena 2= elephan…
Keystone species should play a central role in conservation efforts. They maintain ecosystem structure, support biodiversity, and regulate ecological processes. Conserving them (v…
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homework due: 1/22(thursday) read. 1paragraph summary. atrocities commi…
Between 1885 and 1908, King Leopold II of Belgium ruled the Congo Free State (his personal possession, secured via the 1884-1885 Berlin Conference amid the Scramble for Africa) wi…
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part b what is the mass of a fish of this type that is 50 centimeters l…
\(25.00\)
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the forearms of humans and horses are used for different things, but th…
homologous structures.
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developmental homology is when researchers look at the of different spe…
embryos
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part b what is the mass of a fish of this type that is 50 centimeters l…
\( 12.5 \)
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by examining the relationship between two species by looking at their e…
developmental homology
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hierarchy of biological classification several similar species are lump…
genus.
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dolphin skeleton hip bones the pelvic bones in snakes and the appendix …
vestigial structures
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1. berilgan har bir ma’lumotni to‘g‘ri deb qabul qlishingiz yo etishing…
To solve this, we analyze each statement based on biological concepts of asexual reproduction, plant and animal reproduction: ### Statement 1 *"Jinsiz ko‘payish natijasida hosil b…
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activity 2 write about the requirements for, and products of, photosynt…
The type of energy represented by part 1 is light energy (or solar energy). ### Question 2:
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arrangements must be made to store some of the energy collected by the …
B. the 1800s ### Question 2
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which change is a direct result of continued population growth in the u…
First question: C. A decrease in the size of wildlife habitat areas Second question: C. The United States airlifted supplies to prevent starvation in Allied territory.
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4. which two vessels carry blood between the heart and the head? jugula…
A. jugular vein and carotid artery
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3. what is the name of the structures that the heart has that allow blo…
valves
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the danger zone directions: the danger zone, where bacterial growth can…
To solve this, we analyze each statement against the Danger Zone (40°F to 140°F) for bacterial growth: ### 1. Janice cooked her hamburger to 165°F 165°F is above 140°F, so not in …
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2. what is the main function of white blood cells? binding and transpor…
fighting infectious agents like fungi, bacteria, and viruses
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1. which of these shows the correct pathway through the heart’s four ch…
right atrium -> right ventricle -> left atrium -> left ventricle
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given an existing drug for treating severe depression. a psychiatrist e…
B. a block design. ### Part (b)
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(1 point) determine whether the follow descriptions correspond to an ob…
OBSERVATION ### Part (b)
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in a group of muskmelon plants, some individuals have sour fruit and ot…
\(\frac{0}{4}\) (or 0 when simplified, but in the given options, it's \(\frac{0}{4}\))
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this passage describes the cystic fibrosis trait in humans: cystic fibr…
\(\frac{2}{4}\) (corresponding to the option with \(\frac{2}{4}\))
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following the american revolution, the confederation congress was unabl…
A. stop the states from printing money.
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earth and other planets formed as clumps of dust, ice, and rock gained …
1. Gravitational collapse occurred in a dense area of gas and dust within the solar nebula. 2. A large cloud of gas and dust left over from the Sun's formation rotated and flatten…
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put the steps of the solar systems formation in the order in which they…
1. Gravitational collapse occurred in a dense area of gas and dust within the solar nebula. 2. The newly formed protostar gathered matter due to gravity, which increased its inter…
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observing phenomena investigation 1 - categorizing substances 1. write …
1. Composed of cells (the basic unit of life) 2. Can grow and develop over time 3. Respond to external stimuli in their environment 4. Obtain and use energy (metabolism) 5. Reprod…
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multiple-choice question the trait found in the most organisms goes....…
At the bottom (near beginning of timeline)
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2. sort the following items according to whether they would be consider…
## Living: - Plant in water - Pig heart removed 2 minutes ago - Mushrooms - Tree in Winter ## Nonliving: - Cat skull - Fire - Pig heart removed 5 hours ago - Mechanical Singing Bi…
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true or false, a cladogram can be shown flipped over and it will have t…
True
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true or false, a cladogram can be shown flipped over and it will have t…
True
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8. what do you call a collection of similar cells that work together to…
A collection of similar cells that work together to perform a specific function is called a tissue. (Examples of such samples include muscle tissue, epithelial tissue, which fit t…
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select any trait(s) that both a shark and a frog share. hair lungs vert…
- Vertebrae - Notochord
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how many derived shared traits do the frog and the mane wolf have in co…
2
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use the drop - down menus and the image to complete these statements ab…
Prokaryotes do not have a nucleus surrounding their chromosome of DNA. Prokaryotes are more simple cells than eukaryotes. Prokaryotes have a cell wall outside their cell membrane …