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Related Questions
Innate behaviors are those that are taught by parents to their offspring. i am confused hellpp
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What's the question? Of course parents will teach the offspring. That's how the young ones can grow up and live on their own.
In a population of 100 individuals there are 40 individuals with genotype AA, 40 with genotype Aa, and 20 with genotype aa. What is the frequency of the a allele
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Answer:In a population of 100 individuals there are 40 individuals with genotype AA, 40 with genotype Aa, and 20 with genotype aa
Explanation:
Which would make the best pioneer species during primary succession?.
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Answer:
mosses or lichens, algae fungi
this organisms are knows as pioneer species because they are the first species present.
Which statement about a major hurricane is an inference?
A. The wind speed was 200 km/hr
B. The central air pressure was 946.0 mb
C. A rain gauge records three inches of rain in less than one hour
D. Damage from the storm is expected to be extensive
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Answer:
Its D
Explanation:
solid waste is produced more in city than rural areas give reason
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Answer:
there are more people per household and in general
Explanation:
A summary of some scientific steps is outlined below.
1. Ask scientific questions.
2. Make observations with the senses.
3. Record data in a table or graph
4. Notice trends in the data.
5. Publish or present the findings.
cess is shown here. If a scientist will make an inference, between which two steps would "making an inference" most likely occur?
en 1 and 2
en 2 and 3
en 3 and 4
een 4 and 5
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Answer:
en 1 and 2
Explanation:
What effect does a rapidly changing environment have on the natural selection of organisms in a species?
A. Organisms will decrease their reproductive rate.
B. Species with little genetic diversity will adapt most quickly.
O c. Species that cannot adapt quickly enough may become extinct.
• D. Organisms will increase their rates of mutation to adapt to change.
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Rapidly changing the environment of organisms can result in them going extinct if they refuse to adapt quickly enough.
Natural selection and the environmentOrganisms need to adapt to new environments.
Thus, changing the environments of species rapidly means that the species either catch up by adapting as rapidly or risk going extinct.
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Contrast apoptosis and cancer.
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Answer:
Apoptosis is a multi-step, multi-pathway cell-death programme that is inherent in every cell of the body. In cancer, the apoptosis cell-division ratio is altered. Cancer treatment by chemotherapy and irradiation kills target cells primarily by inducing apoptosis.
Explanation:
Describe how a lake might become a forest in a period of 100 years.
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1. Lack of rain results in reduced water levels and an expanded shore.
2. Lichens and bacteria break down rocks near the shore into soil.
3. Pine needles, leaves, and branches from shoreline trees drop into the water thereby reducing the lake and expanding the shore.
4. Seeds from trees are dropped on the shore and trees begin to grow.
5. These processes continue until the lake is replaced by a forest.
Lake might become a forest in a period of 100 years by the process of hydrosere.
What is hydrosere?
Hydrosere is defined as the primary succession that develops in aquatic atmospheres such as lakes and ponds.
There are different stages in the succession from lake to pond. such as the initial stage of succession is phytoplankton, and zooplanktons which pioneer colonizers.
Rooted submerged stage is another stage which suitable for the growth of rooted hydrophytes like Elodea, Myriophyllum, etc.
Floating stage is the third stage where submerged and floating plants grow intermingled but after soon the submerged plants are replaced completely by the dead plants deposits at the bottom.
Reed-swamp stage is 4th stage where the plants of this community are rooted but most parts of plant shoots remain exposed to air.
Sedge meadow stage is 5th stage where further decrease in water level changes the nature of substratum and grasses grows on the area.
Woodland stage is 6th stage where some shrubs and later medium sized trees form open vegetation or woodland tress grows.
Forest stage is the final stage or climax community stage which is invaded by several trees which further develop into forest.
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Where does most regular lightning occur?
A. The stratosphere
B. The troposphere
C. The Mesosophere
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If you block histone deacetylase, what effect would you expect to see on transcriptional activity?.
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So there’s your answer: An increase in transcriptional activity.
The Punnett square shows the inheritance of flower color in snapdragons in the F, generation. What is the expected ratio of red flowers to pink
flowers to white flowers in the F2 generation?
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Answer:
the answer will be all pink
In which part of the brain is hunger and thirst regulated?.
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Answer:
The hypothalamus
Explanation:
The hypothalamus regulates functions like thirst, appetite, and sleep patterns. It also regulates the release of hormones from the pituitary gland.
Hypothalamus controls the urge for eating and drinking. It is a part of the forebrain.
when completing an angioplasty what implant can be used to hold the vessel in the open position after the balloon angioplasty. what is the potential complication
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Practice: Classification using Dichotomous Keys Uh oh! Little Sammy's babysitter forgot to check for monsters under his bed when she tucked him in, and he found all of these when she left. Can you help him determine their names so he can ask them all to leave? Use the dichotomous key on the next page to help you.
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A dichotoums key uses morphological and molecular traits to classify organisms into different taxonomic groups.
What is a dichotomous key?A dichotomous key might be considered a useful tool to classify organisms. The key provides an easy and fast way for identification by describing different morphological and molecular traits, leading you to the correct taxonomic classification.
It is simple to read a dichotomous key. The term dichotomous refers to how information is provided. You will always have two options (a and b, or 1 and 2), and you will have to choose one of them according to the characteristics of your organism. The key describes specific morphological oir molecular traits of organisms and you need to choose between the options which ones matches the ones of your organism.
Probably you might need an atlas or a dictionary to understand some of the technical terminologies. You will also need to carefully observe your specimen, to get to distinguish different traits. If the specimen is too small you might need a loup.
Since I do not have your dichotomous key, we are going to analyze a simple example using a group of 5 organisms. We will make the classification according to the description (organisms in the attached files).
Dichotomous key
Statement 1a ----------- The organism is a vertebrate ----------- Frog
Statement 1b------------ The organism is invertebrate ----------- Go to 2
Statement 2a ---------- The organism has a multisegmented
and elongated body, with too many ----- centipede
legs.
Statement 2b ---------- The organism has a relatively short body
and with fewer legs ------------------------------ Go to 3
Statement 3a ----------- The organism has 8 legs ----------------------- Spider
Statement 3b ----------- The organism has 6 legs ----------------------- Ant
As you can see, this a very simple example, but ilustrates how the key provides enough information for you to reah the correct option.
So in your example, your dichotomous key will probably provide you information about different traits such as body-color, number of extremities, hair, and other, and you will have to observe the all your individuals and choose which trait matches each of them.
You will learn more about dichotomous key at
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If the grass contains 100,000 kcal of energy, how much energy will a fox obtain from eating a bird? 10,000 kcal 1,000 kcal 100 kcal 10 kcal
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If the grass contains 100,000 kcal of energy, the energy a fox will obtain from eating a bird is 1,000 kcal.
What is Calorie?This is defined as a unit of energy and it decreases as it moves up the food web in the ecosystem.
The organisms only derive 10 percent of the energy when the feed on others. In this case, the grass has 100,000 kcal of energy which when eaten by the bird will be 10 percent which is 10,000 kcal. When the fox eats the bird it becomes 1,000 kcal.
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When visiting a national park, a student encounters an unfamiliar organism in a damp area near a body of water. The students notes that the organism is about 10 cm long, has four legs, and has a tail. The organism is black with small white sports on its smooth, moist skin. It also appears to have an internal skeletal system. To which class does the organism most likely belong?1
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The animal is an Amphibian
How is control of a disease such as bubonic plague complicated by the fact that it spreads across multiple animal species?
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Answer:
Bubonic plague outbreaks are controlled by pest control and modern sanitation techniques. This disease uses fleas commonly found on rats as a vector to jump from animals to humans. The mortality rate hits its peak during the hot and humid months of June, July, and August.
Explanation:
Answer:
The fact that a disease spreads through multiple animal species creates problems in its eradication since it is necessary to look for more than one strategy for disease control, additionally this causes the disease to expand at a more dizzying pace.This situation also causes the disease to expand geographically and increases the likelihood of infection in humans.
Explanation:
Compare between simple fruit and multiple fruit in two points. How can fruit play an important role for continuity of generation in plant life?
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Answer:
Simple Fruits: fruit derived from one ovary. Aggregate Fruits: fruits derived from multiple ovaries of a single flower. Multiple Fruits: Fruits from many flowers packed together, such as pineapple, blackberry, and raspberry.
the fruit protects the seeds and helps to spread them. Many fruits attract small animals. After eating the fruit, the seeds of that particular fruit is passed out together with the animal droppings. Then the seed will grow into a plant and the cycle repeats it self all over again.
Humans belong, at least partially, to a category of ____________. Whether we mean to or not, we change natural habitats and ecosystems at much faster rates than other species can adapt.
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Humans belong to a category of intelligent primates.
What are primates?Primates refers to a group of animals that have the ability of high levels of cognition. These group of animals can manufacture their own tools and use them to get foods and for social displays. Some have several strategies to hunt their prey , they have greater influence and rank; they are status conscious. They can receive and also manipulate. They recognise kin.
Therefore, Humans belong to a category of intelligent primates.
Learn more about primate below.
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5. The substance being dissolved in a solution. A. sands B. solute C. solvent D. alloy
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What is the substance being dissolved in a solution?
ANSWERThe correct answer is letter B. solute
WHY?Solute is known as the substance that is being mixed with a solvent (usually water) since water is considered as universal solvent. Solute is the dissolved substance in a particular solution, it can be completely different things.
WHAT IS SOLVENT?Solvent on the other hand is the substance where solute is being dissolved, most of the time it is a liquid or specifically water, and together they produce solution.
One perfect example is shown in the provided image.
Helppp with this pleaseeeeeeeee
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Heat-loss mechanisms do not include ________. A) reducing activity B) the evaporation of sweat C) behavior measures such as wearing light, loose clothing D) vasoconstriction of peripheral blood vessels
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Heat-loss mechanisms does not include behavior measures such as wearing light, loose clothing.
What is Heat loss?These are the processes which involves heat being lost from a body to the surroundings.
Wearing tight and not light, loose clothing will promote heat loss which is why option C was chosen as the most appropriate choice.
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What is the function of the lymphatic system?
removes worn-out blood cells in the pancreas
circulates plasma through the body to fight infection
delivers nutrients to cells, removes cellular waste, and fights infection
produces red blood cells for fighting infection
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Answer: I believe it is C: delivers nutrients to cells, removes cellular waste, and fights infection.
Forgive me if im wrong but its what I choose on the exam
Answer:
The answer is C!
Explanation:
Help please please thanks
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They are genotypes (represents genes)
In adult animals, ___________ are a source of undifferentiated cells that can divide to produce cells that can specialize.
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Answer:
Stem Cells
Explanation:
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How long does it take for steroids to get out of your system?.
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Answer: It takes 14 days for steroids to clear out your system
Explanation:
Anaphylaxis is an overactive immune response to a perceived pathogen.
True or False
ONLY ANSWER IF YOU KNOW AND WHY
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Answer:
True
Explanation:
Anaphylaxis is an acute allergic reaction to an antigen (e.g. a bee sting) to which the body has become hypersensitive.
Common symptoms include:
Skin reactions such as itching and hivesFlushed and pale SkinLower blood pressureDifficulty breathingChokingWeak and rapid pulse rateVomitingNauseaDizziness or faintingMark brainliest please
Answer:
True
Explanation:
This happens when our immune system overreacts to a foreign substance so much that it harms you.
In the summer, snowfall decreases, and melting increases, which results in the outflow being melt.water, thus leading to an increase in ablation causing an overall __________ bud.get and glacier shrinkage.
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Answer:
Negative
Explanation:
What happens to animals born with a change in species numbers ?
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Answer:
If one animal's population increases, the population of animals that eat that animal might also increase. Increases in population aren't always beneficial.
Explanation:
Sometimes a population will grow too large for the environment to support. Other changes in limiting factors can cause a population to decrease.
source: NHPBS