14.5.2 Test (CST): Ecology
Question 12 of 25
The graph here shows a population of rabbits in an ecosystem that the
rabbits are not allowed to enter or leave.
D
с
Population size
"В
Time
Which statement best describes the population at point B?
O A. The death rate is high.
O B. The carrying capacity has been reached.
Thala handia
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Answer:

Fever.

Chills.

Rash.

Night sweats.

Muscle aches.

Sore throat.

Fatigue.

Swollen lymph nodes.

etc

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Answer:

Sí I can't tell if this is another language, or gibberish, sorry

Answer:

Explanation:

Don't do if you don't know

Answer:

O A. No, 10.6% of the class scored above her test score

Explanation:

Using the standard normal distribution (Z score) to solve this problem. The formula is as follows:

Z = x - μ/σ

Where;

σ = standard deviation

μ = mean score

x = Edna's score

According to the information given in this question:

σ = 8

μ = 75%

x = 85%

Z = 85 - 75/8

Z = 10/8

Z = 1.25

Using the table of normal distribution probabilities, we check for Z score of 1.2 under 5 = 0.8944

This means that Edna's percentage score is 89.44%. Hence, (100 - 89.44) = 10.56% is above Edna's score in the class

Approximately, 10.6% of the class scored above Edna's test score, meaning that she is not among the top 10% of her class.

Answer:

This question in incomplete, therefore it will be trickier to answer.

Explanation:

If you provide the options with this question, I can give it a shot in trying to work it out.

Answer: Savanna

Explanation:

The Savanna is a biome located in Africa and characterized by a lot of grass and dispersed trees. The climatic conditions are warm all year round and the summers are wet.

The presence of so much vegetation makes it an ideal biome for large herbivores like elephants, giraffes and wildebeests. As a result of so many herbivores being there, there are lots of carnivores as well such as lions and cheetahs.

╭☞ If you wanted to study large, migratory grazing animals like wildebeest, which biome would you chose to visit?

╭☞ Savanna or Savannah

Explanation:

╭☞ Because Savanna or savannah, is a migratory grazing animals like wildebeest and type of plant that grows under hot, seasonal climatic conditions and is characterized by an open tree trunk (i.e., scattered trees) above a continuous- continuous tall grass understory (the layer of vegetation between the canopy of the forest and the ground).

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Answer: I think it's true

Answer:  A controlled variable or constant variable is a variable that does not change during an experiment.

Explanation:

A controlled variable or constant variable is one which the researcher holds constant (controls) during an experiment. It is also known as a constant variable or simply as a control.The control variable is not part of an experiment itself it is neither the independent nor dependent variable but it is important because it can have an effect on the results gotten.

example of a controlled variable is temperature.

Answer:

D

Explanation :Because the first set of the baby's teeth is represents growth and the second set of the teeth ofwhich the second set is permanent that represents development in living things

An example of living things growing and developing is: (C). Baby teeth falling out and permanent teeth coming in.

Growth in living things can be defined as the increase in size.

Development in living things can be defined as an occurrence in a living thing that causes change and transformation.

In the example above we can see the occurrence of growth and development.

In conclusion,  An example of living things growing and developing is: (C). Baby teeth falling out and permanent teeth coming in.

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Explanation:

Cómo se organizan los participantes en un debateAquí le presentamos los pasos para organizar un debate:

1.- Elegir un tema de interés que produzca controversia

2.-Designar o invitar anticipadamente a los participantes de acuerdo 3.- Nombrar a un Moderador que coordine el desarrollo del debate. Es necesario la elaboración de un cuestionario con preguntas que generen controversia en los argumentos de los participantes.

4.- Se debe nombrar a un secretario que anote todas las ideas principales expuestas por cada participante.5.- De acuerdo al número de participantes, así como el tiempo que durará el debate podrá disponerse de 3 minutos para cada expositor o participante.

6.- Al final del debate el Secretario deberá exponer el resumen de las ideas de los expositores

espero y esto de ayude

Answer:

''Watching television adversely impacted the quality of sleep''.

Explanation:

''Watching television adversely impacted the quality of sleep'' is the best hypothesis for her study. Watching television right before bed, can negatively impact your sleep quality. Late-night watching television disrupts your internal clock that adversely affected sleep quality of an individual. The above hypothesis is used by the Rachel to investigate the impact of watching television before sleeping on the sleep quality.

Answer:

100% of children will have a double heterozygous genotype (EeWw)

Explanation:

A homo-zygous individual is an individual that has two dominant alleles or two recessive alleles for a given gene/locus. A dihybrid cross, also known as Mendelian dihybrid cross, refers to a type of cross in which both parents differ in two observed phenotypic traits which are controlled by two distinct non-linked genes. When both parents are inversely homo-zygous for both genes as in this case (i.e., one parent is homo-zygous dominant for the first gene and homo-zygous recessive for the second gene, while the other parent is homo-zygous recessive for the first gene and homo-zygous dominant for the other), all the F1 will be heterozygous, i.e., all F1 individuals will have the EeWw genotype because each parent can produce only one type of gamete (either Ew or eW). If both genes are subject to complete dominance, then the expected phenotypic ratio of the F2 obtained by crossing double heterozygous individuals will be 9:3:3:1, i.e., 9/16 individuals will have the dominant phenotype for both traits (in this case E_W_ genotype), 3/16 individuals will have the dominant phenotype for the first trait (in this case, dominant earlobe E_ww genotype), 3/16 individuals will have the dominant phenotype for the second trait (in this case, dominant hairline eeW_ genotype), and 1/16 will have the recessive phenotype for both traits (in this case, double recessive eeww genotype).

Answer:

Chitin.

Explanation:

The structure that is not a component of wall of sponges is Chitin. Their body comprise of calcareous or siliceous spicules or protein spongin fibres. Choanocytes are the distinctive cells located in the interior body walls of sponges. Sponges are similar to other animals in many characteristics such as they are multicellular, heterotrophic, lack cell walls and produce sperm cells in order to produce offspring sexually and also different from animals due to lack of tissues and organs.

Answer:

amylase

Any of a class of digestive enzymes, present in saliva, that break down complex carbohydrates such as starch into simpler sugars such as glucose.

Answer:

Scientists make a hypothesis before an experiment so the can make an educated guess of the outcome before they get one.

Explanation:

The hypothesis is important because it allows scientists to make predictions about the upcomming experiment and then analyze the data after the experiment.

Explanation:

Now that we’ve learned how autotrophs like plants convert sunlight to sugars, let’s take a look at how all eukaryotes—which includes humans!—make use of those sugars.

In the process of photosynthesis, plants and other photosynthetic producers create glucose, which stores energy in its chemical bonds. Then, both plants and consumers, such as animals, undergo a series of metabolic pathways—collectively called cellular respiration. Cellular respiration extracts the energy from the bonds in glucose and converts it into a form that all living things can use.

Answer:

O macromolecule, population, community, ecosystem

Explanation:

Macromolecules are very large molecules composed of atoms, such as complex carbohydrates, fats and proteins (for example, fats are macromolecules mainly composed of C, H, and O atoms). Macromolecules in turn associate to form cellular structures (eg. organelles, cytoskeleton, etc), which subsequently combine to form cells. Individuals are made up of one or more cells (i.e., unicellular and multicellular organisms, respectively). In the next level, populations are groups of individuals of the same species that live within a given area; whereas communities are groups of populations that live in a given area and interact with one another. Finally, an ecosystem can be defined as a group of populations (i.e., a community) and the abiotic factors (i.e., nonliving parts) of their environment that support them (e.g., water, light, radiation, temperature, etc).

The correct option is  macromolecule, population, community, ecosystem

The following information should be considered:

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Answer:

no.

Explanation:

the conclusion was in fact inaccurate, because plant B received 4hours of more sunlight than that of plant A, causing biased results.

Answer:

uses light as its energy source and carbon for organic compounds.

Explanation:

The purple non-sulfur bacteria which depends on light produces organic food  just like plants through the process of photosynthesis. The purple non-sulfur bacteria uses carbondioxide and water with sunlight produces oxygen and glucose which is an organic compound. So that's why purple non-sulfur bacteria is also known as phototrophic means organism that produces their own food through photosynthesis.

One of the functions of abscisic acid in plants is to Almost all plant cells have the ability to produce abscisic acid. One of the functions of abscisic acid in plants is to delay leaf senescence. promote stomatal closure during drought stress.

Answer:

Explanation:

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The correct order of the Earth's mechanical and compositional layers is as follows:

The Earth's mechanical layers are defined by their physical properties, such as their rigidity and strength. The compositional layers are defined by their chemical composition.

The Earth's mechanical layers are:

The Earth's compositional layers are:

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Answer:

Pasteurization is the process by which food products (such as juice and dairy products) are mildly heated to kill off harmful bacteria, salmonella, and other disease-causing pathogens. These products are thus made safe for consumption. ... Pasteurization has revolutionized food safety within the dairy industry.

Answer:

Anaerobic respiration is economically significant since many of our meals are generated by anaerobic bacteria. To ensure its survival, the yeast must convert to anaerobic respiration. Carbon dioxide and ethanol are generated. Bread may also be made with yeast.

OAmalOHopeO

Agrarian type of society does the image most likely represent. So, the correct option is B.

A group of people who live in one place and share customs, cultures, organizations, and interests is referred to as a society. The diversity of people from different religions, castes, genders, and ethnic groups has several effects on this civilization.

Agricultural activities generally include everything that has a close connection to farming and makes use of land for farming and crop production. This activity, which uses a variety of contemporary techniques, has a close relationship with all human agricultural operations and is in charge of the massive crop output.

The image below depicts the task of planting paddy, which is typically done by a young child. Thus, the image most likely depicts an agrarian community.

Thus, C is the best choice.

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Answer:

⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀

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☯ Let two adjacent sides of parallelogram be 2x and 5x.

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⋆ Refrence of image is shown in diagram:

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[tex]\setlength{\unitlength}{1 cm}\begin{picture}(0,0)\thicklines\qbezier(1,1)(1,1)(6,1)\put(0.4,0.5){\bf D}\qbezier(1,1)(1,1)(1.6,4)\put(6.2,0.5){\bf C}\qbezier(1.6,4)(1.6,4)(6.6,4)\put(1,4){\bf A}\qbezier(6,1)(6,1)(6.6,4)\put(6.9,3.8){\bf B}\put(0.7,2.5){\sf 2x}\put(3,0.5){\sf 5x}\end{picture}[/tex]

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[tex]\underline{\bigstar\:\boldsymbol{According\:to\:the\:question\::}}\\ \\[/tex]

Perimeter of parallelogram = 70 cm

⠀⠀⠀⠀⠀⠀⠀

[tex]\dag\;{\underline{\frak{We\;know\;that,}}}\\ \\[/tex]

[tex]\star\:{\boxed{\sf{\purple{Perimeter_{\;(parallelogram)} = 2 \times (sum\:of\: adjacent\:sides)}}}}\\ \\[/tex]

[tex]:\implies\sf 2 \times (2x + 5x) = 70\\ \\[/tex]

[tex]:\implies\sf 2 \times 7x = 70\\ \\[/tex]

[tex]:\implies\sf 14x = 70\\ \\[/tex]

[tex]:\implies\sf x = \cancel{ \dfrac{70}{14}}\\ \\[/tex]

[tex]:\implies{\boxed{\sf{\pink{x = 5}}}}\;\bigstar\\ \\[/tex]

Therefore,

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2x = 2 × 5 = 10 cm.

5x = 5 × 5 = 25 cm.

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[tex]\therefore[/tex] Hence, Adjacent sides of parallelogram are 10 cm and 25 cm.

Answer:

Bacteria can obtain energy and nutrients by performing photosynthesis, decomposing dead organisms and wastes, or breaking down chemical compounds. Bacteria can obtain energy and nutrients by establishing close relationships with other organisms, including mutualistic and parasitic relationships.

Explanation:

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