Biología
Biología celular, genética, ecología y fundamentos de ciencias de la vida.
-
what event occurred in 1775? the declaration of independence was writte…
The American Revolution began.
-
a(n) ____________ factor keeps the size of the population down
limiting
-
which of these does not contain a structural protein? ovalbumin tendons…
1. Ovalbumin 2. Immune
-
which answer best explains carrying capacity? limited growth the minimu…
The maximum number of wolves in a national park can support
-
which species has reached its carrying capacity first? population (no. …
Species 4
-
describing how systems work together which systems work together so oxy…
The respiratory and circulatory systems work together. The respiratory system brings in oxygen and transfers it to the blood. The circulatory system then carries the oxygen - rich…
-
which of these ideas had the most influence on the american revolution?…
the Enlightenment
-
arrow a is indicating a(n) ______ protein. receptor signal transport st…
A. receptor
-
what are examples of limiting factors? (check all that apply) disease/p…
A. Disease/Parasitism C. Predation D. Human Activities E. Unusual weather
-
the two strands of a dna double helix are held together by ____ that fo…
1. A. hydrogen bonds 2. A. phosphate group, a nitrogen - containing base, and a five - carbon sugar
-
if pinkys sister is able to taste ptc and we know that both of her pare…
B. TT or Tt
-
if a strand of dna has the nitrogen base sequence 5-atttgc-3, what will…
Part A: 3'-TAAACG-5' Part B: 75
-
which species has not reached its carrying capacity yet? population (no…
Species 1
-
if pinkys parents can taste ptc, but the pinky cannot, then she is geno…
Tt
-
a population can decrease in size due to ____________ and ____________ …
A. deaths B. emigration
-
how many dominant alleles are required to express a given trait? 1 2
1
-
a population can decrease in size due to ____________ and ____________ …
A. emigration D. deaths
-
multiple - choice question what is a phenotype? a physical characterist…
A. A physical characteristic based on the genotype received from the parents.
-
exponential growth occurs when there is a lot of __________ and _______…
A. food B. space
-
multiple - choice question a dominant allele will always be expressed. …
True
-
which growth is when individuals in a population reproduce at a constan…
exponential
-
what does uvb primarily affect in humans? bones and joints superficial …
superficial skin layers
-
question 10 of 10 which two internal factors influence differentiation …
B. Transcription factors, D. Hormones
-
which type of growth is when a populations growth slows or stops after …
A. logistic
-
question 9 of 10 what happens to the cells located in the apical merist…
D. The cells continue to divide and produce more unspecialized cells.
-
1) why is life on earth often described as carbon - based?
Life on earth is often described as "carbon - based" because carbon is the fundamental element in biological molecules that are crucial for life processes.
-
what happens when populations reach the carrying capacity? they level o…
They fluctuate around the carrying capacity and may have slightly more or slightly less organisms in the population each generation.
-
question 8 of 10 what are two examples of stem cells working in adult a…
C. New nerve cells are produced to repair nervous tissue., D. Bone marrow produces new blood cells to fight disease.
-
question 7 of 10 which statement describes the role of specialized cell…
B. Specialized cells perform specific functions in tissues.
-
question 6 of 10 the model shows a type of specialized cell in a dandel…
A. Guard cell
-
question 5 of 10 a plant is transplanted from a hot, dry environment to…
D. By causing it to grow larger
-
question 4 of 10 what role do totipotent cells play in the development …
A. They can become any type of cell in the body or in the placenta or umbilical cord.
-
question 3 of 10 which item is an example of a specialized cell found i…
D. Tracheid
-
which level of organization consists of biotic and abiotic factors? a. …
D. Ecosystem
-
question 2 of 10 select three events that occur as an unspecialized cel…
A. The cell widens, B. The cell wall thickens, D. Holes form in the cell wall
-
which of the following is not a level of organization on earth? biome a…
B. AVID
-
question 1 of 10 where is a complete copy of dna found in an animals bo…
A. In nearly every cell nucleus
-
which of the following are biotic? (check all that apply) water humans …
B. Humans, D. Plants, E. A cheetah
-
question 10 of 10 which phrase best describes the makeup of a chromosom…
B. Thick strands of a material, called chromatin
-
which of the following are abiotic? (check all that apply) the sky the …
A. The sky D. The rocks E. The sand
-
question 9 of 10 a mitosis inhibitor is a medication that is designed t…
D. Tumors grow because of uncontrolled cell division.
-
question 8 of 10 a cell has detected a problem: one of its chromosomes …
B. M checkpoint
-
when there are plenty of resources, the fish are able to ____ their pop…
B. increase
-
question 7 of 10 a cell is in m - phase, undergoing mitosis. which even…
C. Spindle fibers attach to the centromeres.
-
when the population approaches carrying capacity, the graph - decreases…
D. levels off
-
question 6 of 10 an error during g1 phase would be most likely to affec…
D. The organism develops cells with DNA that contains errors.
-
what type of growth is shown by the black bear example? logistic growth…
A. Logistic Growth
-
question 5 of 10 what is one function of interphase that helps a cell g…
D. Making a copy of each of the cell's chromosomes
-
one factor that determines the carrying capacity of a population is the…
C. amount of food
-
question 3 of 10 as a cell moves through the cell cycle, it grows in si…
B. The cell divides into two daughter cells.
-
what happens to the fish population when there are not enough resources…
C. it decreases
-
question 2 of 10 the microscope image and model show a cell during the …
B. The two sides of the cell will have identical sets of four chromosomes.
-
question 1 of 10 a parent cell has six chromosomes. which statement des…
B. There will be two daughter cells, and each will have six chromosomes.
-
question 25 of 25 which two changes would you expect as a result of a s…
A. Increased competition among herbivores, C. Decreased resource availability among herbivores
-
question 23 of 25 a small population of wolves is introduced to an ecos…
B. B to C
-
question 22 of 25 the image shows an energy pyramid. which statement is…
- Option D: Most energy is at lower levels (phytoplankton), not whale's level.
-
question 21 of 25 which statement describes how chemical elements move …
A. Autotrophs release oxygen as a waste product during photosynthesis.
-
question 19 of 25 why might an ecosystem remain stable over thousands o…
C. Even though populations may change slightly, the ecosystem stays in homeostasis.
-
which sentence from the article would be most important to include in a…
B. This protection against previous illnesses is called immunity.
-
question 18 of 25 robins are predators of caterpillars, and caterpillar…
A. A decrease in the robin population, which will increase the caterpillar population
-
question 17 of 25 a population of bacteria is grown in a closed petri d…
B. It would show logistic growth before declining sharply.
-
question 16 of 25 the table shows the amounts of energy found in four t…
B. The second trophic level contains June bugs.
-
question 15 of 25 what happens to molecules when an organism eats anoth…
A. The molecules are broken apart and their atoms are rearranged to form new molecules.
-
which organism is a producer in this web? a. grass b. fungus c. grassho…
A. Grass
-
question 13 of 25 which environmental change is most likely to affect t…
D. The introduction of kudzu, an invasive plant species
-
question 12 of 25 a population of lizards is unable to leave its ecosys…
D. There is a decrease in the number of deaths.
-
question 12 of 25 a population of lizards is unable to leave its ecosys…
D. There is a decrease in the number of deaths.
-
question 9 of 25 sea otters are a keystone species. these mammals are t…
C. The sea urchin population ate too much kelp and destabilized the ecosystem.
-
question 6 what is the independent variable in this experiment? choose …
Question 6: If the yeast are out of their dormant state or not. Question 7: The amount of oxygen produced, The amount of carbon dioxide used, The amount of carbon dioxide produced…
-
question 8 of 25 a volcanic eruption covers a region with lava that lat…
A. The ecosystem must now undergo primary succession. C. A very long period of time will pass before a new ecosystem becomes stable.
-
question 5 answer the following questions using the equation below. c₆h…
1. Glucose + 6 Oxygen 2. 6 Water + 6 Carbon Dioxide + energy
-
question 6 of 25 which human activity is likely to lead to decreased bi…
B. Introducing an invasive species as ground cover
-
question 5 of 25 which statement characterizes mutualism? a. both organ…
C. Both organisms are positively affected.
-
question 3 of 25 which statement describes how energy is conserved in a…
A. About 10% of the energy moves to the next trophic level, and the remainder is used or released into the ecosystem.
-
question 2 of 25 your friend says that changes in abiotic factors alway…
D. It is false. Large changes can make an ecosystem unstable, but populations can adjust to small changes.
-
question 1 of 25 what is one likely result of protecting environmental …
D. Decreased species loss
-
3. reflection • what message do you think the lion king teaches about t…
The Lion King teaches about the balance of nature through its portrayal of predator - prey relationships and the interdependence of species. It can be connected to class - learned…
-
industrialization and the new south 4. compare and contrast as you read…
4. Old South: Dominant agriculture (plantation - slave based). New South: Industrial growth (e.g., textiles), economic diversification. Both: Reliance on natural resources, social…
-
section 2 assessment terms, people, and places 1. for each term, person…
1. Answers will vary depending on the specific terms, people and places listed. 2. Answers will depend on the content of the completed outline. 3. The rate of population growth in…
-
which is the central element for all living things? carbon hydrogen oxy…
A. carbon
-
26. this type of reporting for newspapers would exaggerate the truth, b…
26. B. Yellow Journalism 27. D. The Louisiana Purchase
-
explain the physiology of ascending pathways by selecting the correct w…
1. tactile corpuscles 2. posterior horn 3. prior to decussation 4. spinothalamic tract 5. contralateral 6. primary somatosensory
-
which element is considered the most versatile element in living organi…
Carbon, because it can bond with many elements to form complex molecules
-
what impact can the respiratory system have on the body beyond just bre…
The respiratory system impacts the body beyond just breathing by facilitating gas - exchange for cellular energy production, aiding in speech production, and contributing to immun…
-
question 37 (2 points) in his article “how charles darwin spawned so mu…
B. their genetic make up
-
el adn la bioquímica la célula clonar ético el frasco los genes heredar…
1. el ADN 2. los genes 3. clonar 4. la bioquímica 5. ético 6. la célula
-
expenses rent $450 utilities $150 food $220 clothes $200 cell phone $75…
B. This budget can be modified by reducing the amount spent on rent and utilities, thereby reducing overall expenses to have the maximum amount of money for all other expenses.
-
when you are racing in the hallway with your friend, what body systems …
Circulatory Endocrine Respiratory Immune Muscular Skeletal
-
question 5 developmental psychology researchers have shown a genetic in…
B. $H_0:\mu_d = 0$ $H_a:\mu_d eq0$
-
27 the people who worked to change society and fix the problems created…
27. D. Progressives 28. D. Abolition of slavery 29. A. Theodore Roosevelt
-
23 which of the following is part of a citys infrastructure? a water pi…
23. D. all of the above 24. A. patronage 25. D. limiting the drinking of alcohol 26. B. recall
-
legal support use the information below to answer the question. contrar…
Careers in law include jobs other than lawyers requiring different education.
-
multiple choice question eliminating some of the opponents alternatives…
All of the above (assuming there was an "all of the above" option as the behaviors described match the definitions of lies, puffery, information exploitation, and weakening the op…
-
place a single word into each sentence to make it correct. 1. an unmyel…
1. length 2. trigger 3. depolarization 4. wave 5. axon
-
6. as a result of the spanish american war, which territory was not cla…
6. B. Hawaii 7. A. Boxer Rebellion
-
legal support use the information below to answer the question for anyo…
keeping detailed notes of court arguments
-
the only useful part of bison was the meat, which could be boiled, roas…
False
-
6. adaptations & behavior • how do different animals in the film show s…
1. Animals may show structural adaptations like body shape for camouflage or speed, and behavioral adaptations like herding for protection. Communication behaviors like calls can …
-
in the box provided explain why living organisms contain more hydrogen …
Hydrogen has a low atomic mass compared to oxygen. Despite a higher number of hydrogen atoms in living organisms, oxygen's greater atomic mass makes it account for 65% of a typica…
-
multiple choice question eliminating some of the opponents alternatives…
weakening the opponent