Answers
The order the organisms will appear during primary succession would be lichens -->mosses-->grasses and annual flowers--->bushes and shrubs-->trees.
What is succession?Succession refers to the gradual changes to the community of organisms in an ecosystem until a stable community is reached.
Succession can be primary or secondary.
Primary succession happens when a community that has never held any life before gets newly colonized by life.
Secondary succession happens when a community that already holds life experiences a major disturbance and needs to start adjusting itself to resume changes again.
The colonizers in primary successions are called pioneer species. Due to limited nutrients and soils, pioneer species must have low requirements.
Thus, the order of appearance during primary succession would be the order or increase in growth requirements.
lichens -->mosses-->grasses and annual flowers--->bushes and shrubs-->trees.
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Related Questions
A cell devoid of tumor-suppressor genes would lose the ability to
Answers
Answer:
cells can divide without order and accumulate genetic errors that can lead to a cancerous tumor .
what close it take to be a philosopher?
Answers
Answer:
Get a bachelor's degree in philosophy.
Going to an accredited university to earn your BA in philosophy is the first step in becoming a Philosopher. ...
Go to graduate school to earn your master's degree or PhD in philosophy. ...
Select an area of specialization. ...
Write a dissertation.
Explanation:
Which of the following are freshwater ecosystems?
Answers: ponds, lake, river
produces most of the food in the ocean.
Answers: Phytoplankton
Freshwater wetlands include and
Answers: marshes and swamps
is a measure of the amount of salt dissolved in water
Answers: salinity
Which biome is pictured above?
Answer: coral reef
is an excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.
Answers: Eutrophication
Sunlight cannot penetrate deeper layers of the ocean so cannot happen.
Answers: photosynthesis
Most marine organisms live in
Answer choices:
A. shallow coastal waters
B. fisheries
C. deep ocean water
Data analysis
Aquatic Organism pH Range for Life
Clam 4.5 - 5.0
Snail 5.0 - 9.0
Bass 5.5 - 9.0
Crayfish 5.5 - 8.5
Mayfly 5.5 - 9.0
Salamander 6.0 - 8.0
Trout 6.0 - 8.5
Perch 6.5 - 8.5
Frog 7.0 - 9.5
To test acidity levels of water, scientists test the pH. As acid rain falls, the pH levels in lakes and streams decrease. While certain animals can tolerate low pH levels, others are extremely sensitive to the effects of acid rain and cannot live under the conditions. Once the pH of the pond drops below 5.5, we can expect which aquatic life form(s) to die out?
Answer choices:
A. trout and salamanders
B. clams and snails
C. perch
Answers
Answer:
Explanation:
The habitats that freshwater ecosystems provide consist of lakes, rivers, ponds, wetlands, streams, and springs. Use these classroom resources to help students explore and learn about these places.
Hope this helps :)
how do the hypothalamus and pituitary gland interact to control the release of the some of the hormones in the endocrine system
Answers
Answer:
Your hypothalamus communicates with the anterior pituitary lobe via hormones and the posterior lobe through nerve impulses. Through the stalk.
Which of the following is NOT an example of active transport?
a: endocytosis
b: facilitated diffusion
c: exocytosis
d: sodium potassium pump
Answers
Answer:
The answer is B.
Explanation:
Because Facilitated Diffusion is a type of passive transport.
Answer: the answer is B
it is because it is a passive transport
Explanation:
Receptor
K
Paper
cup
Questions
1. What happens when the vertical angulation is steep (+70°)? Is the shadow shorter or longer?
2. What happens when the vertical angulation is flat (+20°)? Is the shadow shorter or longer?
How does this relate to distortion?
Answers
The correct answers are shorter, longer, and have inverse proportionality and are used in dental radiography.
In the first case vertical angulation is what is used to control the length of any image which is being recorded and it is dictated by the holding device which directs the beam of x-ray perpendicular to both the receptor and teeth and in this case the image which is formed is shorter then the real teeth and it also occurs if the central ray is directed perpendicular to the plane of the receptor rather than to the imaginary bisector.
In the second case, the vertical angulation is flat or if it is too small the image of the teeth will be longer than the actual teeth and it often occurs due to bisecting technique.
Distortion is any kind of change that can occur in both the shape and size of the object and this is inversely proportional to the vertical angulation as when vertical angulation is not correct it creates distortion and also the steep is angulation the smaller the image will be and flat the angulation is the larger or longer the image is and in distortion which comes due to radiograph is mainly used for the teeth and the recommended angulation is +10 degree in which the central ray is directed through the contact of the teeth.
This is also called dental radiography.
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How can a camping fire turn into a forest fire
Answers
why is the earths atmosphere likened to a greenhouse?
Answers
Answer:
That's because the glass walls of the greenhouse trap the Sun's heat. The greenhouse effect works much the same way on Earth. Gases in the atmosphere, such as carbon dioxide, trap heat similar to the glass roof of a greenhouse. These heat-trapping gases are called greenhouse gases. earth's atmosphere is like the glass in a greenhouse because sunlight streams through the atmosphere and heats the Earth. As the heat radiates up from the Earth's surface, some escapes into space. The rest of the heat is absorbed by gases in the troposphere and warms the air.Greenhouse gases include carbon dioxide, methane, nitrous oxides, and water vapor. (Water vapor, which responds physically or chemically to changes in temperature, is called a "feedback.") Scientists have determined that carbon dioxide's warming effect helps stabilize Earth's atmosphere.greenhouse gases in the atmosphere absorb some infrared radiation and re-reflect it back to earth. 6. This causes the green house effect and results in an increase in average mean temperatures on earth.Greenhouse gases include carbon dioxide, methane, nitrous oxides, and water vapor. (Water vapor, which responds physically or chemically to changes in temperature, is called a "feedback.") Scientists have determined that carbon dioxide's warming effect helps stabilize Earth's atmosphere
Explanation:
Greenhouse gases include carbon dioxide, methane, nitrous oxides, and water vapor. (Water vapor, which responds physically or chemically to changes in temperature, is called a "feedback.") Scientists have determined that carbon dioxide's warming effect helps stabilize Earth's atmosphere
Which examples relate the law of mass balance to body homeostasis?
High levels of thyroid hormone in the blood inhibit further secretion of thyroid hormone.
An increased body temperature stimulates vasodilation of capillaries in the skin and activation of sweat glands.
Low blood glucose levels stimulate secretion of glucagon, which releases glucose into the blood.
Uterine contractions during labor stimulate the secrection of the hormone oxytocin, which stimulates
more contractions.
Water lost through sweat and urination is replaced by drinking water.
Answers
An increased body temperature stimulates vasodilation of capillaries in the skin and activation of sweat glands. and Water lost through sweat and urination is replaced by drinking water. relate law of mass balance to body homeostasis.
in the word homeostasis. Homeo: Similar Stasis: Condition -regulates internal environment
a propensity to preserve equilibrium or consistency on the inside; the control of any component of bodily chemistry, like blood sugar, at a specific level. sickness and illness will develop without homeostasis; it aids in the battle against poisons, cancer, viruses, and germs. Any benefit must be equaled by a corresponding loss. Existing body weight plus intake or metabolic production minus excretion or metabolic elimination equals mass balance -intake through the skin, lungs, and intestines outflow from the liver, lungs, kidneys, and skin
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what is the relationship between motor neuron and sensory receptor
Answers
why do plants excrete more carbon dioxide at night than during the day?
A. Cellular respiration occurs only at night and not during the day
B. Cellular respiration occurs at a faster rate at night then during the day
C. Photosynthesis uses some of the carbon dioxide released during the day
D. The light-independent reaction of photosynthesis that releases carbon dioxide occurs at night
Answers
Answer:
C
Explanation:
they cannot do photosynthesis at night.
Which best explains enzyme specificity?
O An enzyme is able to react with many different substrates
O An enzyme works best at certain pH
O An enzyme works best at a certain temperature
O An enzyme is only able to react with one substrate
Answers
The correct placement of side-chain functional groups that interact with the charged groups of the new substrate is necessary to change an enzyme's selectivity. In order for the functional groups to be positioned correctly, this necessitates sequence alterations that not only add the new functional groups but also modify the structure of the protein backbone. We present a computational design approach for the targeted modification of loops close to the active site to introduce unique enzyme-substrate interactions. The approach can restore native loop lengths and, frequently, native loop conformations, according to benchmark studies on 8 native protein-ligand complexes. Next, we redesign a crucial loop in human guanine deaminase using the technique to ensure that an important side-chain contact is made with the substrate ammelide.
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The cardiovascular system does NOT
carry the carbon dioxide exhaled by the pulmonary system.
carry the oxygen used by the muscles.
carry the nutrients absorbed by the digestive system.
carry the hormones released by the endocrine system.
control when muscles contract.
Answers
Answer:
transports oxygen and carbon dioxide for the respiratory system.
Which step measures the concentration of the reaction product?
A. Spectrophotometer
reading
B. Centrifugation
C. Addition of TCA
D. All of the options are correct
Answers
Centrifugation is a mechanical process which involves the use of the centrifugal force to separate particles from a solution according to their size, shape, density, medium viscosity and rotor speed.
Trichloroacetic acid (TCA) precipitation of proteins is commonly used to concentrate protein samples or remove contaminants, including salts and detergents, prior to downstream applications such as SDS-PAGE or 2D-gels. TCA precipitation denatures the protein, so it should not be used if the protein must remain in its folded state (e.g., if you want to measure a biochemical activity of the protein).
Determining the protein concentration in your sample is an important step in any laboratory workflow that involves protein extraction and/or analysis. Knowing how much protein you have can help you compare results from one protein to another and from one experiment to the next.
Which scenario is an example of making inferences based on observations?
OA. A scientist collects honeybee specimens from each part of the life
cycle and creates a display.
OB. A scientist talks to various organizations about the importance of
preserving habitats vital to the survival of bees.
OC. A scientist publishes an article encouraging local farmers to plant
wildflowers to benefit wild bee populations.
D. A scientist analyzes the feeding patterns of honeybees and
determines that honeybees prefer nectar over pollen.
Answers
The example of making inferences based on observations is:
A scientist analyzes the feeding patterns of honeybees and determines that honeybees prefer nectar over pollen; option DWhat are inferences and observations?In the scientific method, observations and inferences are key step which help in understanding and explanation of the natural world.
Observation refers to the ability of the scientist to note and see changes or phenomena that occurs i his or her environment.
Inferences are conclusions which are drawn from either observations or experiments.
Considering the given scenarios, the instance of an observation is;
A scientist analyzes the feeding patterns of honeybees and determines that honeybees prefer nectar over pollen.In conclusion, observations are required in making of inferences.
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Julia, an economics professor, is giving a presentation on her research. What presentation delivery method should Julia use if she wants to broadcast her lecture to various places in real time?
A.
external monitor
B.
overhead projector
C.
presentation sharing website
D.
webcast
Answers
Answer:Webcast
Explanation:Plato
all chemical processes which take place in living cells ??
Answers
Biochemical reactions are chemical processes that occur within living organisms.
Chemical processes known as "biochemical reactions" happen within the cells of living beings. The study of biochemistry shows that understanding both chemistry and biology is necessary to comprehend how cells function in living things at the level of the organism. Metabolism is the collective term for all biological processes that occur within an organism. Both exothermic and endothermic reactions are a part of it.
Catabolic reactions are exothermic processes that occur within living things. These processes disassemble molecules into smaller parts while also releasing energy. The breakdown of glucose is an illustration of a catabolic reaction, which releases the energy required by cells for their vital functions. Anabolic reactions are endothermic processes that occur within living things. These processes combine tiny molecules into larger ones.
A biochemical reaction is the transformation of 1 molecule to a one-of-a-kind molecule inside a mobile. Biochemical reactions are mediated through enzymes, which might be biological catalysts which could alter the rate and specificity of chemical reactions internal cells.
Photosynthesis, gluconeogenesis (synthesis of glucose from non-carbohydrate resources, specifically used by the brain), protein biosynthesis, fatty acid synthesis, glycolysis, Krebs cycle, urea cycle, glycogenolysis are some common examples of biochemical reactions.
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Gambling away one's retirement savings in a single night would most likely be categorized as a(n)
Multiple Choice
crime.
infraction.
accident.
deviant act.
Answers
Answer:deviant act
Explanation:because why
what treatment do you think he would need in this stage of the disease
Answers
Answer: Not enough information in the question.....
Explanation: We don't know the disease, or what stage he's in....
While heating two different samples of water at sea level, one boils at 102°C and one boils at 99.2°C. Calculate the percent error for each sample from the theoretical 100.0°C.
Answers
The percent errors are 0.8 percent and 2 percent
It is given that the theoretical boiling point of water is 100.0 degree celsius
When any impurity is added to water, its boiling and freezing points increase or decrease accordingly.
We are required to find the percentage error in calculation of freezing point or in simple words deviation from theoretical value of 100 degrees
We are given two temperatures
Case 1:
When the boiling point is 99.2 degree
deviation from theoretical value= 100-99.2 = 0.8 degrees
Percent error in calculation from theoretical value =deviation/original value x 100
= 0.8 /100 x 100 = 0.8 per cent
Case 2:
When the boiling point is 102 degree
deviation from theoretical value= 102-100 = 2 degrees
Percent error in calculation from theoretical value =deviation/original value x 100
= 2/100 x 100 = 2 per cent
Hence the percent errors are 0.8 percent and 2 percent
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What is a room designed to absorb sound called?
absorption chamber
echo chamber
anechoic chamber
reflection chamber
Answers
Answer: sound room or a sound proof room or studio
Explanation:
What is used to trap light energy in plants?
Answers
Answer:
chlorophyll
Explanation:
Most plants contain a special colored chemical or pigment called chlorophyll that is used in photosynthesis. Chlorophyll is what absorbs the sun's energy and turns it into chemical energy. Not all the light energy from the sun is absorbed. Sunlight has many different colors in it.
Although the total distance the impulse travels in the reflex arc is less than 3
metres. the time taken is more than 0.04 seconds. Suggest why the time taken is
more than expected.
Answers
Although the total distance the impulse travels in the reflex arc is less than 3 meters. the time taken is more than 0.04 seconds and the time taken is more than expected because of Synapses or due to gaps between neurons.
Diagram displays the whole reflex arcs from the tip of the finger to the spinal cord and then back out to a closer muscle, possibly in the forearm or the arm. Because the signal doesn't have to go all the way back to the finger, the total distance is less than 3 meters. Considering that it just travels back a portion of the way, less than 3 meters, it takes. Let's see, it takes more than twice as long, therefore the query makes us think about why the delay. Where is the hold-up what is happening there, and the key to this is that the gray matter of the spinal cord doesn't truly contain mylin, despite the fact that we said it- accelerates electrical conduction through the axon in the nerves of the extremities. Mylin has a whitish color, which contributes to the white matter's appearance of whitishness. Thus, the electrical signal becomes slower.
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are humans subject to environmental resistance in the same sense that other organisms are?
Answers
Answer:
the sum of the environmental factors (such as drought, mineral deficiencies, and competition) that tend to restrict the biotic potential of an organism or kind of organism and impose a limit on numerical increase.
Huntington's disease is an inherited autosomal dominant disorder that can affect both men and women. Imagine a couple has had seven children, and later in life, the husband develops Huntington's disease. He is tested and it is discovered he is heterozygous for the disease allele, Hh. The wife is also genetically tested for the Huntington's disease allele, and her test results show she is unaffected, hh.
What is the percent probability that the first child of this couple will have Huntington's disease?
probability: %
What is the percent probability that four of the seven children will have Huntington's disease?
probability: %
Answers
1. The percent probability that the first child of the couple will have Huntington's disease is 50%
2. The percent probability that four of the seven children will have Huntington's disease is 6.25%
Genetical probabilitiesThe disease is autosomal dominant. Only one dominant allele is needed for the disease to be manifested.
The husband is Hh and the wife is hh.
Hh x hh
Hh Hh hh hh
Hh (affected) = 1/2
hh (unaffected) = 1/2
1. Probability that the first child of this couple will have Huntington's disease is the same as the probability of having the disease. Thus, it is 1/2 (50%)
2. Probability that four of the seven children will have Huntington's disease is the same as the probability of having the disease in 4 places.
1/2 x 1/2 x 1/2 x 1/2 = 1/16 or 6.25%
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Which of the following phrases describes
the term biodiversity? luo
A. species that have become extinct
B. the animals that live in an area
C. species that look different from one
another
D. the number and variety of species that
e live in an area
Answers
Answer:
The answer is D.
Explanation:
Because biodiversity essentially means the different kinds of animals you'll find in a singular (one) area.
which sentence best describes a monarch butterfly as a living system that is one part of a more complex system.
A it has four distinct life stages: egg, larva pupa, and adult
B its wings are covered in thousands of scales and tiny hairs.
C it can live for up to five weeks during the summer
D it interacts with other individuals in the monarch population
Answers
The sentence which describes a monarch butterfly as a living system that is complex is that it has four distinct life stages: egg, larva pupa, and adult and is denoted as option A.
What is a Complex system?This is referred to as a system which has different types of components which are interconnected or interrelated with one another and in this case are the four distinct life stages of a monarch butterfly.
They undergo complete metamorphosis which is characterized by the development from the egg to the larva pupa, and adult stages thereby making it a part of a more complex system.
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Pease help **I know the answer is not 3**
The graph indicates that amylase would function best in which environment?
1. Small intestine (pH 7.3)
2. Stomach (pH 2.0)
3. Pancreas (pH 8.0)
4. Mouth ( pH 6.7)
Answers
Answer: Pancreas
Explanation:
Amylase is found in two main areas – saliva in the mouth and pancreatic juice in the pancreas.
Is this what you're looking for?
The gummy bear osmosis lab report
Answers
The Gummy Bear has a covering that is selectively permeable, allowing water molecules to pass through but blocking bigger molecules. Water molecules migrate into the bear in this osmosis experiment, expanding it.
A gummy bear is a solute, and water molecules are a solvent when you mix them together. Water now enters the gummy bear by osmosis because it doesn't already have any (remember that water was eliminated when the bear was formed). because the salt water contains more salt molecules than the gummy bear. The Gummy Bear gets bigger and smaller.
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Is lactose a reactant, a product or neither? explain how you know.
Answers
Answer:
i think it is a reactant because when some people drink lactose they react a way to where their body's have trouble digesting it
Explanation: