Biologie
Biologie cellulaire, génétique, écologie et bases des sciences de la vie.
-
quiz question 9 of 10 true or false: most ecosystems are quite stable a…
B. False
-
a local oil company plans to drill in a coastal area known for its dive…
1. Environmental 2. Social
-
vocab cards vocab game break it down read quiz all of the interconnecte…
A. food web
-
quiz question 7 of 10 which of these food chains is listed in the corre…
B. Primary producers, primary consumers, secondary consumers, decomposers
-
quiz question 6 of 10 which of these is not a decomposer? choose one op…
C. Phototrophs
-
secondary consumers ______. choose one option a create their own energy…
B. eat other animals
-
i. plate tectonics theory: the ________ of earth’s continental and ocea…
movement; plates; landforms; structure ### ii. Natural processes and human activities result in ______ changes
-
quiz question 4 of 10 true or false: herbivores are considered primary …
B. False
-
question 2 of 10 which of these is the primary source of energy in an e…
B. The sun
-
quiz question 1 of 10 an organism’s role in an ecosystem is called its …
D. niche
-
when researching earths formation and early history, scientists can stu…
D. have changed little over billions of years, preserving early solar system conditions
-
which is the first stage in the life cycle of a massive star? (1 point)…
nebula
-
multiple choice an example of an autotroph is: * 1 point ○ rabbit ○ tre…
B. Tree (assuming the options are labeled as A. Rabbit, B. Tree) ### Second Question: What is the definition for Biotic?
-
what is the symbolic meaning of nighttime in the poem provided? that so…
1. Will feels cold metal on his skin, sees his father's conflicted face, smells gunpowder/sweat, tastes metallic fear, hears heavy breathing/elevator hum. 2. To immerse readers in…
-
38 multiple answer 1 point check all that are ways we could protect bio…
C. eliminate poverty, D. educate people about biodiversity, E. plant a wildflower garden near roadways and farms
-
humans have bred dogs for many different purposes: to pull a sled, to g…
A. Artificial Selection
-
living cells must have food in the form of sugar, they must grow, at le…
1. 1. enable nutrients to be exchanged 2. 2. "delivered remotely"
-
36 multiple answer 1 point which statements are true pertaining to non …
- they were brought into the new ecosystem on purpose by people - they can out compete the native species for food and space - some non - native species arrived to new areas accid…
-
years ago, i stumbled across a patch of strangely looking mossy stones …
1. enable nutrients to be exchanged
-
35 multiple choice 1 point pesticides are often sprayed on crops. how d…
A. The chemicals in pesticides kill insects, weeds or other unwanted species that would decrease the growth of the crops.
-
in 1973 an act called \the endangered species act\ was created which ma…
B. Legal Protection for species
-
matching 1 when a single species dies out 2 when many different species…
To solve this matching problem, we analyze each term and its definition: ### 1. "when a single species dies out" This is the definition of **extinction** (the complete loss of a s…
-
analyze craft and structure structure a tragedy is a play in which a ce…
1. alone 2. soliloquies 3. flaw 4. internal 5. audience 6. future
-
scroll to view full image. oak tree life cycle when the oak tree is mat…
When it has many leaves but can't reproduce yet
-
born in 1822, louis pasteur was a french scientist. he invented a proce…
4. "The use of Pasteur's process has prevented countless people from becoming ill."
-
figure 1: wound healing progression figure 2: cell division model which…
Including a depiction of skin cells that gradually increase in number over several days during the healing process.
-
use the information below to answer questions 3 - 5. mammary glands in …
A. What is the inheritance pattern for lactose tolerance?
-
producers and consumers 1 identify the ultimate source of energy for mo…
1. The Sun (sunlight) 2. Plants are primary producers because they can produce their own organic food (glucose) from inorganic substances using sunlight via photosynthesis, formin…
-
a student used the concepts below to explain their understanding of how…
A. Your explanation is on the right track, but you need to revise the first sentence because cells in all tissues contain the gene coding for the enzyme lactase.
-
which of the following best describes how the skin repair process illus…
Different types of specialized cells work together in a sequence of interactions to restore the skin's structure and function.
-
scientists have compared the dna of stickleback with and without pelvic…
How did the scientists figure out that Pitx1 is related to the development of pelvic spines in stickleback fish?
-
to better studies of the genetics of pelvic spines, scientists collecte…
All of the fish in the F1 generation are **monohybrid**. The cross between two F1 fish was a **monohybrid** cross. Claim: Pelvic spine presence is a Mendelian trait, where the all…
-
chapter 8 vocabulary exam answer choice letter only\tterm\tdefinition a…
1. Active transport - O 2. Endocytosis - D 3. Exocytosis - (Note: No direct remaining definition, but if correcting the exam's likely error, it aligns with the energy-dependent tr…
-
cockroaches are eaten by lizards. because the lizards have small heads,…
### Scenario Matches (top to bottom): 1. Directional Selection 2. Stabilizing Selection 3. Directional Selection 4. Disruptive (Diversifying) Selection 5. Stabilizing Selection 6.…
-
in the \shifting landscapes\ section, how does the author illustrate th…
by providing examples to clarify the types of plants that bees can use for food
-
part b: short answer 7. explain why the order of nitrogen bases in dna …
7. The order of nitrogen bases in DNA forms a genetic code that dictates the sequence of amino acids in proteins. Proteins are responsible for most biological functions and traits…
-
4. the backbone (sides) of dna is made of: a. sugars and phosphates b. …
4. a. Sugars and phosphates 5. a. GTACCT
-
part a: multiple choice circle the correct answer. 1. dna is made of re…
1. b. Nucleotides 2. c. A-T and C-G 3. b. A section of DNA that codes for a protein
-
what is the purpose of presenting a false dilemma in a speech? ○ to con…
to convince the audience that there are limited options
-
read the passage from chapter 17 of the prince. that it is true his oth…
A. by showing how Scipio was too lenient and his army rebelled
-
mplete the table below, using the diagram of an atom shown at right. pr…
To solve the table for subatomic particles, we analyze each particle: ### First Particle (Leftmost, Charge +1, Mass 1.0 amu, Location A) - **Name**: Proton (positively charged, ma…
-
which sentences correctly use parentheses? select two options. □ we wen…
We went to the state fair (held in the state capital) for the first time this year My sister has homework for three classes tonight (math, English, and biology)
-
question 4 / 8 why is water consumption a concern in car battery mining…
D. It can lead to water shortages for communities
-
individual assignment progress: 19/25 answered score: 17 / 25 (68.00%) …
Made of Cells: A. No B. No Grows/ Develops: C. No D. No Responds to Stimuli: E. No F. No Evolves: G. No H. Yes Maintains Homeostasis: I. No J. No Uses Energy: K. No (non-biologica…
-
15. describe how the characteristics of life can help us identify livin…
A living organism will have all of the characteristics of life.
-
click load and play the video. observe sample f in the interactive. her…
The Ophrydium does not change as other organisms interact with it.
-
9. change the video instance to e. click load and play the video. obser…
One organism is much larger than the other one.
-
select an option below that describes what you observe. hide hint hint:…
The contractile vacuoles are pumping every once and a while, but the cell stays the same size.
-
click load and play the video. observe sample b in the interactive. thi…
The organism is swimming to catch food.
-
click load and play the video. observe sample b in the interactive. thi…
The organism is swimming to catch food.
-
read the paragraph from the hot zone and the summary that follows it. o…
A. Remove the phrase "It is petrifying" because it expresses a personal feeling. D. Add the phrase "and spread throughout the human species" to the end of the statement to more fu…
-
read the paragraph from the hot zone. she took up a scalpel and slit th…
It is difficult to identify Ebola in dead specimens.
-
1. observe sample a in the interactive on the left. press the play butt…
There is a new tardigrade hatching from the eggs.
-
10. flowers rely on pollinators like bees and butterflies to transport …
A. Sexual
-
9. mitosis is an example of which kind of reproduction a. sexual b. ase…
B. Asexual
-
8. genetic diversity can only be achieved through random mutations a. s…
B. Asexual
-
3. identify the characteristics of life with which you are already fami…
### Familiar: A. Made of Cells B. Grows and Develops C. Reproduces D. Uses Energy ### Unfamiliar (example blank spaces filled with remaining): J. Maintains Homeostasis K. Responds…
-
b.asexual c.both d.neither 5. as shown at left, binary fission is a pro…
B. Asexual
-
9. lethal dominant achondroplasia (dwarfism) is caused by a dominant ge…
s #### Problem 9 - **Expected ratio of dwarfism to normal (live offspring)**: \(2:1\) - **Genotypes of live offspring**: \(Dd\) (dwarf, \(\frac{2}{3}\) chance) and \(dd\) (normal,…
-
asexual and sexual reproduction vegetative propagation genetically iden…
The remaining found terms in the grid are: 1. VEGETATIVE PROPAGATION (diagonal, top-left) 2. GENETICALLY IDENTICAL (horizontal, lower grid) 3. SEXUAL REPRODUCTION (reverse horizon…
-
6. if an offspring has the genotype aa, what possible combinations of p…
Possible parental genotype combinations: \( AA \times aa \), \( Aa \times aa \), \( Aa \times Aa \), \( AA \times Aa \) ### Question 7
-
dileptus 1. watch the organism, dileptus, in the interactive on the lef…
1. The Dileptus moves on its own through the medium. 2. The organism feeds on smaller surrounding organisms. 3. It has a complex, defined cellular structure with internal componen…
-
4. in a certain strain of mice, black coat (b) is dominant over white c…
To determine the genotype of the black - coated male mouse, we perform a test cross by crossing it with a white - coated (\(bb\)) mouse. If all offspring are black, the male's gen…
-
dileptus 1. watch the organism, dileptus, in the interactive on the lef…
1. Self-directed locomotion using cilia/proboscis 2. Active feeding on smaller organisms 3. Visible complex single-cellular (eukaryotic) structure 4. Responsive movement to enviro…
-
an amino acid is specified by the mrna codon uag. true false
B. FALSE
-
how many codons are known to code for the amino acid threonine? a 4 b 6…
a. 4
-
glucose. as house plants grow, they bend towards the nearest source of …
1. As house plants grow, they bend towards the nearest source of light. → Living things respond to their environment 2. All living organisms presently on Earth have descended from…
-
your text lists several criteria that define living organisms; these ar…
- Fish are composed of tiny subunits that have all the characteristics of life. → Living things are composed of cells. - Algae use sunlight and chemicals from their environment to…
-
using the following mrna sequence and chart, write down the correspondi…
ile-ala-ser-ser-leu
-
uaa, uga, and uag are all ______________ codons. enter the answer check…
stop
-
the genetic code is redundant because a single amino acid may be coded …
codon (or mRNA codon)
-
graph 1 title % hatched salinity ( % ) what can you correctly say based…
- As the salinity increases from.65% to 2.5%, the % of eggs that hatch increases. - The highest % of eggs hatch at 2.5% salinity. - As the salinity increases from 2.5% to 5%, the …
-
a farmer wants to improve crop yield in his fields by testing the effec…
no new pesticide used on the control field; new pesticide used only on the experimental field
-
question 15 1 pts when designing an experiment measuring the number of …
Dependent variable
-
the codon ______ codes for methionine to signal for translation to begi…
AUG
-
question 14 1 pts when designing an experiment, why do we need to have …
Ensure that changes in the dependent variable depend on the independent variable
-
in an effort to increase milk production of dairy cows, a farmer decide…
experimental, control
-
which of the following levels of biological organization is the most in…
A. biosphere
-
the four kingdoms, animalia, plantae, fungi, and protista, are classifi…
D. Eukarya
-
which of the following are the proper components of the scientific meth…
observation, question, hypothesis, prediction, experiment, results, conclusion
-
which of the following structures can perform all the activities requir…
cells
-
question 4 which domain(s) consist(s) of prokaryotic cells? ○ eukarya o…
Bacteria and Archaea
-
question 3 ecology is the ______. ○ study of genes ○ study of organisms…
study of organisms and their interaction with the environment
-
question 1 1 pts which of the following represents an application of \t…
using controlled experiments to test falsifiable hypotheses
-
is the transfer of the genetic instructions from dna to rna.
Transcription
-
the first step in protein synthesis is called .
transcription
-
the steps of transcription are ________. select all that apply a termin…
a. termination, b. initiation, c. elongation
-
complete the sentence using one of the following words: initiation, elo…
Termination
-
skill level: exploring complete the sentence using one of the following…
Initiation
-
how would you differentiate transcription from translation? select all …
c. Transcription takes place in the nucleus d. Transcription makes mRNA
-
in what process of protein synthesis is a single strand of dna used as …
c. Transcription
-
an anticodon is one of three codons that does not encode for an amino a…
FALSE
-
______ involves the formation of a polypeptide. a transcription b trans…
b. Translation
-
what is a codon? a it is the process of reading the mrna code in the ri…
c. It is a triplet (3) of bases in the mRNA that codes for a specific amino acid.
-
which best describes a codon? a a codon is a triplet of three bases in …
a. A codon is a triplet of three bases in the mRNA that codes for a specific amino acid.
-
the region which represents the three base sequence on trna and codes f…
a. Anticodon
-
the ___ found on the trna complement the codons on the mrna. a anticodo…
a. anticodons
-
skill level: to be determined a(n) is a three-letter code word in the g…
codon
-
during translation, mrna is read in groups of bases. how many bases are…
b. 3
-
question 5 of 10 which statement describes a fact rather than an opinio…
B. More U.S. soldiers died in the Civil War than in any other war.