生物
细胞生物学、遗传学、生态学与生命科学基础。
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2. which of the following animal phyla contains segmented worms? phylum…
A. Phylum Annelida
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now that you know about the mayflower compact, answer the following que…
The Mayflower Compact was created to establish a system of self - governance. The Pilgrims landed outside the area their original charter covered, so they needed rules to maintain…
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20. which process is responsible for distributing water and creating we…
D. The water cycle
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1. what are the major classes of the phylum annelida? (choose all that …
A. Hirudinea, B. Oligochaeta, D. Polychaeta (assuming the options are labeled as A: Hirudinea, B: Oligochaeta, C: Parapodia, D: Polychaeta)
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question 6 (1 point) what does the word entity mean in this sentence: \…
a. an organization that has an identity separate from its members
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question 4 (1 point) why was the english revolution important? a it gen…
d. all of the above
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complete the activity below to show how well you can identify the chara…
parapodia
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complete the activity below to show how well you can identify the chara…
hirudineans
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figure 1. model of crossing over during meiosis based on figure 1, whic…
A. Does synapsis of homologous chromosomes in the parent cell contribute to an increase in genetic diversity in the daughter cells?
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complete the activity below to show how well you can identify the chara…
oligochaetes
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which one? fluid - filled cavity surrounded by mesoderm coelom setae pa…
coelom
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which one? bristles on the outside of some annelids coelom setae septa
B. setae
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which one? annelids that have parapodia and setae polychaetes oligochae…
A. polychaetes
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literary / text elements persuasive appeals directions: read the passag…
1. Saddam Hussein must be driven out of Kuwait by military force, as he unjustly invaded the vulnerable nation, ignored international warnings, and left no other choice for the U.…
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complete the activity below to show how well you can identify the chara…
septa
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mechanical weathering mechanical weathering changes the ______ and ____…
### Mechanical Weathering Fill - ins #### 1. Mechanical Weathering Basics Mechanical weathering changes the **size** and **shape** of rock, but it does not change the rock’s **che…
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name: date: classroom cereal story 18 part 1 of 5 \washingtons lost tre…
## Identified Errors: 1. "higheist" → correct spelling: "highest" 2. "george" → correct capitalization: "George" 3. "they're knees" → correct word: "their knees" 4. "haunt forest"…
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12. dna ____ after transcription. translation: look at the mini - codon…
3 ### Question 2 (The "start" codon)
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which of these cell components are most involved in determining the bas…
D. Genes, chromosomes, and nucleus
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may notice that they feel better when the sun is sh shows that staying …
C. prevent their skin from burning
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may notice that they feel better when the sun is shows that staying in …
D. vitamin D
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what is the relationship between dna, chromosomes, and any organism? dr…
- DNA: A series of nitrogen bases that codes for a specific trait - Gene: Instructions that provide all information necessary for any organism to live, grow and reproduce - Protei…
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translation: look at the mini - codon chart in the upper right corner. …
3 ### Question 2
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5. how long is an average life cycle for a rotifer? 5 to 45 years 5 to …
C. 5 to 45 days (assuming the options are labeled as A. 5 to 45 years, B. 5 to 45 weeks, C. 5 to 45 days, D. 5 to 45 months)
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4. which of the following are organs or organ systems of a rotifer? sel…
- sensory organs - a rudimentary nervous system - a digestive tract
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3. which environment would you expect to find rotifers in? ○ pond ○ dry…
A. pond
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2. what is the term for the jaws of a rotifer? - trophi - esophagus - m…
A. trophi
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1. rotifers are found on every continent except for which one? australi…
C. Antarctica
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question2: can you locate cartilage in your ears and nose? how does it …
Yes, you can locate cartilage in your ears (the outer ear, or pinna, and the ear canal has cartilage) and in the nose (the nasal septum and the tip of the nose contain cartilage).…
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17. multiple choice: in which cerebral lobes is the speech center locat…
a) frontal
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(c) in some instances, meiosis of a primary spermatocyte with six chrom…
The most likely cause is nondisjunction (failure of chromosome pairs or sister chromatids to separate during meiosis), leading to unequal distribution of chromosomes in the result…
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scientists first began to understand how drugs work on the brain with w…
Opiate receptors
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select the correct answer. which excerpt contains a strict internal rhy…
B. But the raven, sitting lonely on the placid bust, spoke only (from "The Raven" by Edgar Allen Poe)
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question 1: look at the image. then, list each bone by letter and ident…
1. cranium 2. scapula 3. pelvis 4. humerus 5. femur (Note: If the image has a different arrangement, the matching would adjust. But based on typical skeletal diagram numbering and…
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a. what type of graph will you use? b. what is the dependent variable? …
Bar graph ### Part b
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1) hinduism what is the ultimate goal for hindus, and what is the name …
The ultimate goal for Hindus is moksha (liberation from samsara), and the ultimate reality they seek to reunite with is Brahman. ### Sub - question 2
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during vedic times, how was it believed that one could communicate with…
C. Through sacrifices
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select the correct answer. which of these sentences from jack londons \…
B. Man early discovered death. As soon as his evolution permitted, he made himself better devices for killing than the old natural ones of fang and claw.
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1. which of the following events occurred first? * a. under the nurembe…
C. Hitler was arrested and jailed for his role in the Beer Hall Putsch.
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b. study the shape of each fruit below. then, on the lines, write a sen…
The maple fruit (with seed) has wing - like structures, so it is most likely carried away from the parent plant by the wind. ### Question 5 (Burr Fruit and Seed)
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select the correct answer. which of these excerpts is one of the main a…
A. The history of civilization is a history of wandering, sword in hand, in search of food.
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which cross - sectional diagram of a portion of the crust and mantle be…
A. The diagram with two convection cells where the rising parts of the cells are at the mid - ocean ridge, showing mantle material rising at the ridge, moving laterally away, and …
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open response: ducks have adapted to sleep with one eye open. when they…
### Biological Advantage: Ducks gain the ability to detect predators while resting (via unihemispheric sleep with one eye open), optimizing rest and predator avoidance. They can r…
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period 2nd graphing practice for each research project described below,…
## Graph Construction: - **Type**: Bar Graph - **X - axis**: Food Source (lettuce, mushroom, dog food, spinach, apple, peach, orange) - **Y - axis**: Food Eaten (grams) (scale 0 -…
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open response: a population of ground - dwelling animals is able to sur…
### Adaptations: Animals may develop better climbing abilities (e.g., stronger limbs, more prehensile tails in some species), improved visual acuity to locate fruit in the canopy,…
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5. what class of cnidarians is a portuguese man of war? hydrozoa anthoz…
A. Hydrozoa
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10. which statement best explains why biodiversity increases stability?…
C. Multiple species can fill similar roles if one declines ### Question 11
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4. which of the following cnidarian classes is made entirely of animals…
C. Anthozoa
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7. why does energy decrease at higher trophic levels? a. energy cycles …
B. Energy is lost as heat during metabolism ### Question 8
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2. what class of cnidarians is mostly corals and sea anemones? ○ calcar…
C. Anthozoa
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6. which process requires energy from the cell? a. diffusion b. osmosis…
C. Active transport
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5. which best describes a selectively permeable membrane? a. lets every…
C. Controls what enters and leaves the cell
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1. what are the three layers make up the body of a cnidarian? - endoder…
A. endoderm, mesoglea, ectoderm
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4. which example best represents negative feedback? a. a cut healing wi…
B. Sweating to lower body temperature
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3. which statement best connects photosynthesis and cellular respiratio…
B. Photosynthesis makes glucose used in respiration
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open response: the graph below depicts the growth of a yeast population…
(Part A): Point C (or the region of highest population density on the graph, typically the stationary phase part of the yeast growth curve)
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2. why do muscle cells contain many mitochondria? a. they divide quickl…
B. They require high ATP output
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name passion period 2nd graphing practice for each research project des…
Appropriate graph: Bar graph (with labeled axes, title as above, and bars drawn to respective heights). Conclusion: Slugs prefer apple and mushroom (highest grams eaten) and avoid…
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open response: fur color in a specific animal is controlled by a sex - …
The probability that the female offspring will have brown - patterned fur is \(\frac{1}{2}\) (or 50%).
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practice multiple choice circle the best answer. 1. which statement bes…
B. ATP provides immediate energy for cell processes
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lipids are a diverse group of biological macromolecules that include tr…
False ### Statement 2: "The structure of a lipid impacts its properties."
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lipids are a diverse group of biological macromolecules that include tr…
False ### Statement 2: "The structure of a lipid impacts its properties."
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determine whether each statement describes a property of phospholipids,…
| | phospholipids | triglycerides | | --- | --- | --- | | contain a polar phosphate group | ✔️ | ❌ | | build cell membranes | ✔️ | ❌ | | are energy - storage molecules | ❌ | ✔️ | …
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which model best represents the lipid bilayer of a cell membrane? extra…
The model in the top - left (with hydrophilic heads facing extracellular and intracellular environments, and hydrophobic tails in between) best represents the lipid bilayer of a c…
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open response: a vast national park has a highway running through the m…
- Benefit: Increased gene flow (maintaining genetic diversity) among animal populations. - Unintended consequence: Spread of diseases between previously isolated animal population…
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dna v. rna questions 1. what is the full name for dna? 2. what is the f…
1. Deoxyribonucleic Acid 2. Ribonucleic Acid 3. a. DNA has deoxyribose sugar; RNA has ribose sugar b. DNA is double-stranded; RNA is single-stranded c. DNA contains thymine; RNA c…
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if phospholipids are dropped in water, they can form a ball - shaped st…
The phospholipid \(\boldsymbol{\text{hydrophobic tails}}\) face away from the water because they are \(\boldsymbol{\text{hydrophobic}}\). The phospholipid \(\boldsymbol{\text{hydr…
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terms 1. mitochondrion ______ 2. chloroplast ______ 3. ribosome ______ …
1. T 2. I 3. L 4. R 5. C 6. F 7. O 8. B 9. M 10. E 11. N 12. G 13. Q 14. J 15. P 16. H 17. S 18. A 19. K 20. D
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which category? able to swim most its life hydrozoa scyphozoa anthozoa
B. Scyphozoa
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that mix with water are called hydrophilic, or water-loving. the fatty …
A phospholipid is amphipathic because its phosphate head is \(\boldsymbol{\text{hydrophilic}}\) and \(\boldsymbol{\text{polar}}\), while its fatty acid tails are \(\boldsymbol{\te…
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which category? planula sperm cell asexual bud young polyp
sperm cell
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which category? scyphozoa sea anemones true jellyfish corals
true jellyfish
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Question was provided via image upload.
- Phospholipids are used to build cell membranes. - Unlike triglycerides, phospholipids have nitrogen and phosphorus atoms. - Fatty acids in a phospholipid are called tails.
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which category? hydrozoa polyp only medusa only medusa and polyp
medusa and polyp
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which category? anthozoa polyp only medusa only medusa and polyp
A. polyp only
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triglycerides are the bodys most efficient method for storing energy. i…
B. One gram of carbohydrate provides less than half the amount of energy in one gram of fat C. Fats provide energy for the body during rest D. Fat - soluble vitamins are dissolved…
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small intestine. these smaller molecules are able to cross the cell mem…
- Triglycerides are stored until they are needed for energy. - In cells, fatty acid and glycerol molecules are combined to make triglycerides.
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triglycerides form when three fatty acid molecules combine with one mol…
3
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villi are small structures that contain tiny blood vessels. villi have …
The small intestine. The small intestine is where most of the nutrient particles are absorbed into the blood.
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deoxyribonucleic acid structure and function describe it! write down ev…
1. **Structure of DNA**: DNA is a double-stranded helical molecule composed of nucleotide subunits. Each nucleotide contains a deoxyribose sugar, a phosphate group, and one of fou…
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identify the polyp from the given images (the three images below: a pin…
The left - most image (the one with the pink, sea anemone - like structure)
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like other animals, this came living in its stomach and intes these mic…
The camel is helped when microorganisms break down food into small nutrient particles. The microorganisms make it easier for the camel to get energy and building materials from th…
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(a) describe the process in meiosis that ensures that both maternal and…
In meiosis, during **prophase I**, homologous chromosomes (maternal and paternal) undergo *synapsis* (pairing) and **crossing over** (exchange of genetic material between maternal…
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phospholipids are another type of lipid. they are the building blocks o…
The true statements are: - Cell membranes contain phospholipids. - Phospholipids have carbon atoms arranged in two long chains. (The statement "Phospholipids contain only carbon a…
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this boomslang snake is swallowing a frog. boomslang snakes can use the…
A snake's esophagus can stretch around whole prey and push the prey from the mouth to the stomach.
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5. what is the function of amoebocytes in sponges? they hold the spicul…
B. They carry nutrients to other sponge cells and also take away cellular waste.
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the models show the structures of the carbohydrates cellulose, starch, …
| | cellulose | starch | glycogen | | --- | --- | --- | --- | | has a branched structure | $\square$ (uncheck) | $\blacksquare$ (check) | $\blacksquare$ (check) | | is a polysacch…
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select the true statements. maltose, lactose, and sucrose all contain g…
- Maltose, lactose, and sucrose all contain glucose. - Maltose is found in rye and barley. - Maltose has the same number of carbon atoms as sucrose and lactose.
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5. through which type of reproduction does natural selection work most …
c. A mutation occurred and was passed to future generations. ### Question 5 (Reproduction and Natural Selection)
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4. what is the name of the large openings of the sponge through which w…
C. oscula
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grizzly bears hunt for fish, especially salmon, in fast-moving rivers. …
Digestive chemicals break down food into small particles, and tiny blood vessels absorb the nutrient particles.
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3. what term refers to sponges that can produce both types of gametes, …
D. hermaphrodite
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young green sea turtles often eat jellyfish. after the sea turtle swall…
to produce digestive chemicals that break down food to store partially digested food to release partially digested food into the small intestine
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2. what are tiny needle - like structures, embedded within a sponges me…
C. spicules
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select the true statements. maltose, lactose, and sucrose all contain g…
- True: Maltose, lactose, and sucrose all contain glucose. - True: Maltose is found in rye and barley. - False: Maltose is made of galactose and fructose. - True: Maltose has the …
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carbohydrates are biological molecules made of carbon, hydrogen, and ox…
The true statements are: - Carbohydrates are the primary energy source for the human body. - Humans consume carbohydrates through foods like bread, pasta, and bananas. - Some carb…
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giraffes often eat leaves from thorny acacia trees. this giraffe is usi…
The giraffe's saliva begins to digest the leaves. The giraffe uses its teeth to crush the leaves into small pieces.
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question 2: examine picture 8. then, identify whether the organism is s…
To solve this problem, we would typically follow these steps (but since the picture is not provided, we can outline the general approach): ### Step 1: Examine the organism's body …
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in animal cells, glycogen is broken down to release energy to help with…
During a hydrolysis reaction, $\boldsymbol{\text{polymers}}$ (or "glycogen", "polysaccharides") are broken down into $\boldsymbol{\text{monomers}}$ (or "monosaccharides", "glucose…
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glycogen plays an important role in regulating blood sugar. when glucos…
- Glycogen can be broken down to release glucose and increase blood sugar. - Animals store excess sugar as glycogen. - Energy from glycogen can be used for muscle contraction.