生物
細胞生物學、遺傳學、生態學與生命科學基礎。
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read the passage. conservation efforts play a critical role in protecti…
D. babies or offspring
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practice it! which of the following statements is a strong hypothesis f…
B. If various fertilizers are continually emptied into the great lakes, then the growth rate of cyanobacteria will increase.
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question: what do mast cells release that can cause irritation or sever…
D. Histamines
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which component is not part of a balanced meal? a. protein b. vegetable…
c. Processed sugar ### Second Question:
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practice it! which of the following is not an accurate reason why pluto…
B. Pluto is still a planet, but is not a part of the International Astronomical Union.
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question: ____ occurs in women in their late forties and early fifties …
Menopause
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question: ____ glands produce epinephrine (adrenaline) and norepinephri…
Adrenal
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4. the author writes that there is now stricter security at airports. w…
C. The terrorists used airports to gain access to planes.
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select the statement(s) that accurately describe how the evidence for s…
- Boiled broth did not have any organisms living inside - Over time, living organisms grew in the broth even though the flask was closed - Small organisms were caught in the neck …
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question: which of the following terms describes a collection of hollow…
A. Blastocyst
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question: during puberty, more testosterone is produced in males, while…
Pituitary gland
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the class notes that all four samples are made up of a single cell. wha…
- They are samples of living objects. - They are unicellular organisms.
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a scientist is investigating two samples. one is from a living organism…
A. Object A is living, because cells with nuclei are visible.
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1. the main organ of the integumentary system is the skin. name three a…
Three associated structures in the integumentary system (with the skin as the main organ) are: 1. Hair, 2. Nails, 3. Sweat Glands (or Sebaceous Glands, or Hair Follicles, etc.). #…
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question: the pressure generated when the heart contracts and pushes bl…
systolic
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table 1: development of the cell theory shows some important informatio…
- Each cell in a dog’s body came from another cell. - A tomato plant and a sunflower plant are both made of cells.
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question: mature red blood cells only live for about ____ days before b…
120
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what is a no-cost alternative to using gym equipment for strength train…
d. Bodyweight exercises ### Second Question:
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robert hooke discovered and named cells. he helped develop the theory t…
B. A microscope makes cells too small to be seen by the eye appear larger. (Here we assume the second option is labeled as B; if the original options had different labels, adjust …
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form a compound sentence. _____________________________ can fit in your…
C. A computer once filled an entire room, but one
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question: which of the following rises and falls, changing the space wi…
B. Diaphragm
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table 1: observations shows five objects that the student collected fro…
The correct option is: Use a microscope to look for cells.
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a student lab group is brainstorming the design of an experiment that u…
The provided Post - it note (Choice 1) does not describe the most effective design. To determine the effect of resistance on current, the voltage should be kept constant (e.g., us…
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question: ____ is released by motor neurons at neuromuscular junctions.…
Acetylcholine
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question: which of the following are not produced by bone marrow? answe…
Osteoclasts
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question: the inside lining of many of the tubes in the digestive tract…
A. Smooth muscle
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question: when a bone breaks, the fragments and areas around the break …
B. Osteoclasts
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which piece of evidence does not support this conclusion? the growth ra…
the growth rate of girls between 6 - 8 years
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which sentence is an example of how a scientist might use a model? ○ a …
D. The end of a slinky is moved vertically up and down to simulate a wave.
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question: touch, smell and taste, hearing and balance, and vision are a…
senses (or "sensory functions")
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question: a nerve ____ is a signal that triggers an electrical change i…
impulse
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question: which of these insulates the axon of a nerve cell, allowing m…
Myelin sheath
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summarize it! drag and drop the words or phrases that accurately comple…
To solve this fill - in - the - blank problem, we analyze the context of each sentence: ### First blank: The sentence "Scientists can see different sides to problems and questions…
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question: after a traumatic brain injury, a person exhibits symptoms in…
Frontal lobe
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review it! based upon his observations, aristotle needed to make some i…
- The fish in the pond were living things that came from nonliving materials. - The fish that were in the pond were made from the water. - The fish came from other fish in the pon…
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which system benefits most from aerobic exercise like running or swimmi…
d. Cardiovascular system ### Second Question:
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question: ____ is observed in the heating and cooling mechanisms of the…
Homeostasis
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practice it! which of the following are examples of how scientific know…
- Food that used to be considered healthy is now recognized as unhealthy. - Pluto is no longer considered a planet. - Microscopes helped scientists to prove that living things are…
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question: which of these is caused by vitamin c deficiency? answer opti…
Scurvy
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question: which among these is not a part of the digestive system? answ…
D. Bladder
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in 1917, the russian overthrew the tsar and contributed to russia’s exi…
Revolution
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question: the organ responsible for filtering up to 95 percent of the w…
B. kidney.
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a pharmacy technician should use which of the following measurement sys…
International unit system (assuming the option is "International unit system" as the correct choice; if the options were, e.g., A. Apothecary system, B. Avoirdupois system, C. Int…
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fats are considered one of the six essential nutrients needed by your b…
True
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which statement best describes a forest ecosystem that has not experien…
A. The types of plants and animals that live in the forest are reasonably stable.
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order the events to show the evolution of the universe after the big ba…
To determine the correct order of events in the universe's evolution after the Big Bang, we analyze the timeline of each event: 1. **Inflation**: Occurs extremely early (≈10⁻³⁶ to…
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remember change when an ecosystem undergoes succession. during which st…
B. A deciduous forest that has never been cleared for human settlement
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vitamins are not organic substances. true false
False
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vitamins are the building block of the cells. true false
False
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which nutrient is the most difficult to break down and, thus, is genera…
D. Fats
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fossil evidence provides a timeline of dinosaur existence and extinctio…
Continue to look for evidence that will confirm one theory over the other.
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which of the following contains the most calories/gram? ○ carbohydrates…
D. Fats
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what most likely happened to the prairie ecosystem between 2004 and 200…
A. A predator of species X was introduced to the prairie (Incorrect, as species X population increases). B. The prairie species increased in number (Correct, as populations of X, …
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which nutrient is the first (easiest) to be broken down and absorbed fo…
D. Carbohydrates
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question 16 of 20 : select the best answer for the question. 16. insect…
B. Ventral nerve cord
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which of the following nutrients makes up the largest percentage of our…
Water (the option labeled "Water")
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a population of gray foxes lives in a forest ecosystem. these foxes pre…
D. It will decrease in size
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question 14 of 20 : select the best answer for the question. 14. most a…
D. Increased genetic diversity for changing environments
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over time, certain areas of the forest ecosystem in the united states h…
D. It threatens their populations by exposing their nests to more cowbirds
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question 13 of 20 : select the best answer for the question. 13. during…
C. Apical meristem
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the canadian lynx is a large wild cat that lives in the cold regions of…
B. The population of snowshoe hare would outgrow the food supply, so there would be less food available.
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complete the rhyme scheme. the wind was like a whip cracking past my ic…
- Line 1: A - Line 2: B - Line 3: C - Line 4: B - Line 5: D - Line 6: D
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question 12 of 20 : select the best answer for the question. 12. an amn…
B. The need to reproduce on dry land without letting the egg dry out
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how do ecosystems respond to natural disasters such as fires and floods…
D. They recover in stages, gradually returning to the original system
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the renaissance spawned a rebirth for the intellectual pursuits of man.…
A. A resurrection of the teachings of ancient Greece and Rome. C. A pursuit of excellence and achievement of all men. D. The beginnings of questioning of religious and government …
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question 11 of 20 : select the best answer for the question. 11. one su…
D. Chordates
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match the terms to their definition. 1. essential amino acids 2. essent…
1. essential amino acids - these are the nine amino acids that the body cannot produce 2. essential nutrients - nutrients that the body cannot manufacture by itself 3. fat - a nut…
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during the freedom summer campaign of 1964 in mississippi, ○ three civi…
C. three civil rights workers were found dead.
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question 10 of 20 : select the best answer for the question. 10. which …
B. Humans eating with utensils
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multiple choice: choose the best answer. 1 which event occurred first i…
B. Gilgamesh and Enkidu meet in battle ### Question 2
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question 9 of 20 : select the best answer for the question. 9. plants e…
C. Plants release oxygen and take in carbon dioxide through the stomata in leaves.
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how are changes in populations related to the availability of an ecosys…
B. Population sizes are limited by the amount of resources that are available
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1. which event occurred first in the epic of gilgamesh? a. gilgamesh me…
B. Gilgamesh and Enkidu engage in battle ### Question 2
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question 8 of 20 : select the best answer for the question. 8. farmers …
B. vegetative reproduction.
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a large tree was blown over in a forest during a storm. the data table …
A. The gap created when the large tree fell allowed sunlight to reach the previously shaded forest floor
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question 7 of 20 : select the best answer for the question. 7. if two o…
C. analogous.
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question 6 of 20 : select the best answer for the question. 6. susan is…
D. Sprout every year, year after year
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what happens to your blood sugar when you consume a sugary snack? a. it…
b. It spikes and then crashes ### Second Question:
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question 5 of 20 : select the best answer for the question. 5. proteins…
B. Ammonia
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question 4 of 20 : select the best answer for the question. 4. nervous …
D. Porifera
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during the freedom summer campaign of 1964 in mississippi, ○ three civi…
C. three civil rights workers were found dead. (Note: Assuming the options are labeled A, B, C, D with the third option as C. If the original labeling is different, adjust the ide…
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question 3 of 20 : select the best answer for the question. 3. which of…
B. Anther
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question 2 of 20 : select the best answer for the question. 2. which of…
B. Plants are prokaryotic
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review it! select the statement(s) that accurately describe what led to…
- Debate among their colleagues and scientists. - New information and data. - Peer review from other scientists.
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question 1 of 20 : select the best answer for the question. 1. which of…
D. Aggressive behavior leads to fights that allow strong animals kill off weaker members of the species.
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programs can include a youth deal, civic organizations and local busine…
D. No, because it introduces information about communities that is not relevant to the discussion of diplomatic relations between governments.
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question: ____ are molecules carrying unique scents that function as si…
pheromones
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what was revolutionary about the development of democracy? ○ people now…
C. People were governed by a council of citizens instead of an absolute ruler.
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question: behaviors that are part of an animals genetically programmed …
Innate
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question: an animal is suddenly confronted by a predator or an unknown …
Fight - or - flight
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aa.4 use context to identify the meaning of a word select the text from…
Astronauts usually live on the ISS for six - month periods, although some sojourns last up to a year.
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question: a group of young ducklings swims along, following the mother.…
Imprinting
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question: which of the following is an example of innate behavior? answ…
A. Increased heart rate when scared
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match the description to the system type. a. the system interacts with …
To solve this, we analyze each description and system type: ### For "a" and "1. Open": An open system **exchanges materials (and often energy)** with the external environment. The…
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directions: drag each scenario to the correct location on the table. in…
To solve this problem, we analyze each scenario and determine its impact on the ecosystem: ### Scenario 1: Volcanic Eruption Destroys Trees - **Impact**: A volcanic eruption is a …
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multiple choice does not affect cells. is the comparison of relative co…
The correct option is the one with the text "is the comparison of relative concentrations of two solutions, separated by a selectively permeable membrane" (the fourth option in th…
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question: in animals, the ____ sac helps keep the embryo from drying ou…
amnion (or amniotic)
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a. the system interacts with the external environment that is outside o…
1. Open - a. The system interacts with the external environment that is outside of the system’s boundary to exchange materials. ### 2. Closed System
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question: a female animal lays unfertilized eggs, and the male releases…
external
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question: an alligator basking in the sun is absorbing heat and warming…
C. Ectothermic