The rose population would decrease because the bees would need more food. Since the skunk has more food, it would increase and the eagle population would probably increase too because of more access to skunks. The eagle interpretation may be true unless the eagle is perceived as a scavenger. Then the population would most likely stay the same. The sun would stay the same because it is an abiotic factor in an ecosystem. your welcome fam
Sunlight is the same (obvs) then roses decrease because there are more honeybees to eat them. Skunks would probably increase bc there are lots more honeybees to eat but then honeybees decrease probably. Eagles increase cos skunks increased after honeybees increased. Basically sunlight stays same, roses dercrease and the rest increase.
Small organisms, such as lichens, help break up bare rock into soil. A lichen is an example of a:
Succession
Primary Succession
Secondary Succession
Soil
Climax Community
Pioneer Species
Answer:
primary succession
Explanation:
Lichens are example of Primary succession and Pioneer species.
Answer: Option B & F
Explanation:
The lichens are nothing but combination of two microorganisms called fungi and algae. They survive together based on mutual benefit. Lichens are regularly the main creatures to colonize inhabitant rock.
They are in this manner the pioneer species in primary progression. Numerous life forms require soil before they can colonize a region. Lichens that colonize uncovered rock emit acids that separate the stone and start the dirt creation process.
Additionally, as lichens bite the dust, they give some natural issue that likewise adds to soil. Following this certain other events required for mature forest formation occurs.
Which term refers to the loss of fertile soil from drying out
Answer:
A desertification refers to the term which means desertlike conditions in a region. This region exhibit lack of water. Loss of fertile soil from drying out is desertification. The soil being exposed to warm weather conditions looses it's water content and becomes compact and hard.
Explanation:
Answer:
the answer is B desertification
Explanation:
just got it right on edge 2020
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How does a skate differ from a lamprey
Explanation:
Bases on the structure of their mouth and the type of the skeleton, scientists have divided the fish into 3 main categories:
Jawless FishCartilaginous FishBony FishLampreys:
Lampreys belong to the first category i.e. Jawless Fish.Lampryes are mostly parasites and feed on other fish by sucking their blood and tissues using their suction like mouth structures. Their body is not covered with scales and they do not have a pair of fins.Skates:
Skates belongs to the second category i.e. Cartilaginous Fishes. They have jaws and pair of fine unlike Lampreys (Jawless Fish)Their bodies are covered with scales. These are carnivores.What is a dominant trait ?
Answer:
(In genetic terms, a dominant trait is one that is phenotypically expressed in heterozygotes). A dominant trait is opposed to a recessive trait which is expressed only when two copies of the gene are present.
Explanation:
Answer:
Read the link below
Explanation:
Question 16 of 20:
Select the best answer for the question.
16. An amoeba moves by pushing out small projections called
rest of the organism along.
and then pulling the
O A. bacterial conjugates
O B. spores
O C. pellicles
O D. pseudopodia
Mark for review (Will be highlighted on the review page)
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Answer:
D. pseudopodia
Explanation:
The pseudopods are one of the modes of locomotion of unicellular organisms. The amoebas move forming a large pseudopod at the front of the cell, while the cytoplasm retracts from the back and repeats this process, or by extending and contracting several small pseudopods that, in contact with the substrate, allow displacement.
Answer:
Answer is D
Explanation:
I took the test
Which sexual transmission disease produces painful blisters in the jungle
Answer:
This sore is known as a chancre. Because this sore commonly occurs on the vulva, vagina, anus, or penis, syphilis most often is spread through sexual contact. The genital sores caused by syphilis also make it easier to become infected with and transmit HIV.
Explanation:
Genital Herpes and Chancroid are STIs that cause painful blisters or sores on the genitals, with Genital Herpes caused by a herpes virus and Chancroid by Haemophilus ducreyi.
Sexually Transmitted Infections (STIs) can present with various symptoms, including the occurrence of painful blisters. One such STI is Genital Herpes, which is caused by the herpes virus. Individuals with genital herpes experience painful blisters on the genitals that can reappear throughout one's lifetime. These outbreaks can be triggered by factors like stress and illness, and the likelihood of transmission is higher during these times. Another STI that results in genital sores is Chancroid, caused by Haemophilus ducreyi. It is characterized by soft, painful, open sores that may bleed or produce a highly contagious fluid
Identify the objective lens of the compound light microscope.
Answer:
iiiiiiiiii thank it's E!!!$!!!!!!!!!$$!$
Answer:
The answer is actually C
Explanation:
Just took the test
Describe what a mutation is and how it can occur
Answer:
when a new creature is made due to the cause of chemicals i believe
Explanation:
Mutations can occur by the cause of natural exposure of an organism to certain environmental factors, such as ultraviolet light and chemical carcinogens.
9. How might an intense solar storm affect people on Earth?
The most powerful solar storms send coronal mass ejections (CMEs), containing charged particles, into space. If Earth happens to be in the path of a CME, the charged particles can slam into our atmosphere, disrupt satellites in orbit and even cause them to fail, and bathe high-flying airplanes with radiation.
One important disadvantage of radiation treatment is that ___.
A. Radiation kills cancer cells
B. Radiation cannot be focused, the entire body must be treated
C. Radiation must be delivered through an implanted device
D. Radiation kills cancer cells and healthy cells
Answer:D
Explanation:
Answer:
D) Radiation kills cancer cells and healthy cells
Explanation:
help needed on both questions asap! 20 points
1. Adaptive radiation
The adaptive radiation is an evolutionary process in which rapid diversification occurs from a single ancestral species. The reasons for such rapid diversification, thus development of new physical traits, can occur from multiple reasons, such as sudden climate change, change in the food sources, or extinction of other species. Most often it is a response where there are numerous niches in the food chain opened up and free for taking, so the organisms develop new traits quickly in order to take over those niches.
2. It is dated from about 605-600 million years ago
The first multi-cellular organisms have appeared around 600 million years ago, at least from what is known so far from the fossils and the evidence of activities left from the organisms. They were very simple organisms, and the closest we can compare to in the present are the bacteria. In order for these multi-cellular organisms to develop, around 2.9 billion years where needed, as the first single-cellular organisms appeared around 3.5 billion years ago.
Answer:
1. Adaptive radiation
The adaptive radiation is an evolutionary process in which rapid diversification occurs from a single ancestral species. The reasons for such rapid diversification, thus development of new physical traits, can occur from multiple reasons, such as sudden climate change, change in the food sources, or extinction of other species. Most often it is a response where there are numerous niches in the food chain opened up and free for taking, so the organisms develop new traits quickly in order to take over those niches.
2. It is dated from about 605-600 million years ago
The first multi-cellular organisms have appeared around 600 million years ago, at least from what is known so far from the fossils and the evidence of activities left from the organisms. They were very simple organisms, and the closest we can compare to in the present are the bacteria. In order for these multi-cellular organisms to develop, around 2.9 billion years where needed, as the first single-cellular organisms appeared around 3.5 billion years ago
Marcus is admitted to the hospital for a bone marrow stem cell transplant from his brother. What will happen after his brother’s stem cells are transplanted into Marcus?
Explanation:
The first part of the stem cell transplant process is called conditioning. During this time, you'll receive chemotherapy and/or radiation therapy to damage and possibly destroy your bone marrow. The stem cell transplant itself replaces the damaged bone marrow with healthy stem cells.
Explain how biodiversity is affected by natural selection
Answer:
Biodiversity is the variety of different species of organisms on Earth, or within an ecosystem. High biodiversity is important. It make sure that ecosystems are stable becuase different species depend on each other for things like shelter and fodd. Different species can also help to maintain the right physical environment for each other (e.g. the acidity of the soil.)
Explanation:
Which of the following is a major disruptor of the carbon cycle?
A.
use of chemical fertilizers
B.
volcanic eruptions
C.
acid rain
D.
burning of fossil fuels
Burning of fossil fuels is a major disruptor of the carbon cycle.
How does burning of fossil fuels affects carbon cycle?Carbon that has been held underground for millions of years in coal, oil, and natural gas deposits is being released into the atmosphere at a rapid rate, causing a huge imbalance in the cycle.Carbon dioxide levels in the atmosphere and nitrogen levels in the biosphere have both risen dramatically as a result of human activity.Biodiversity, food security, human health, and water quality are all more vulnerable to climate change as a result of altered biogeochemical cycles.learn more about carbon cycle here:
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Prokaryotes can take up genetic material from each other without reproducing or even being closely related in a phenomenon called
A. parasitism.
B. abiogenesis.
C. ribosomal uptake.
D. horizontal gene transfer.
Answer:
(D). horizontal gene transfer.
Explanation:
HGT (horizontal gene transfer) is a process of lateral gene transfer, which involves transfer of genetic material between organisms other than from parent to offspring.
In prokaryotes, horizontal gene transfer occurs through conjugation, transduction, and transformation.
Thus, the correct answer is option D.
Answer:
D. horizontal gene transfer.
Explanation:
Option D. is the correct answer choice as I completed the same Penn Foster exam with a grade of 100%.
The lock-and-key mechanism refers to
the complementary shapes of an enzyme and a substrate.
the attractive forces between an enzyme and a substrate.
the ability of an enzyme to lower the activation energy of a reaction.
the ability of an enzyme to “unlock” the products of a reaction
Answer:
Option (1).
Explanation:
Enzymes are the bio catalyst that increases the rate of biochemical reactions of the body. Enzymes are highly specific in nature and works at optimum temperature and pH conditions.
The enzymes work according to the lock and key mechanism. This mechanism explains that the active of enzyme should fit into the substrate in such a way as the key fits into its lock. Hence, this determines the complementary shapes of the substrate and enzyme.
Thus, the correct answer is option (1).
Which would not be considered a human activity contributing to be loss of biodiversity on earth
Human activities such as habitat destruction, introduction of invasive species, and over-harvesting are contributing factors to biodiversity loss. Ecosystem collapse as a result of these activities can significantly affect human welfare. Conversely, non-disruptive observation and conservation efforts are not considered to contribute to biodiversity loss.
Activities that contribute to the loss of biodiversity are numerous and include human endeavors such as habitat destruction, for instance, due to agriculture, urban expansion, and deforestation for logging or mining. Other contributing factors are the introduction of invasive species and over-harvesting of wild species.
Ecosystems such as tropical rainforests, which possess a high level of biodiversity, are being destroyed at an alarming rate for timber and agricultural land. Practices like these not only lead to the loss of individual species but can ultimately have dire consequences for human welfare due to ecosystem collapse.
A human activity that would not be considered contributing to biodiversity loss could be passive activities like observing wildlife without disturbing natural habitats, research, and conservation efforts.
What part of the water cycle is occurring at point A
Where is point A?and add a photo or make a new question with the photo
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
The EPA has recommended water quality criteria that include the pH in both freshwater and salt water. The recommended pH range for freshwater is 6.5 to 9.0, and for salt water it is 6.6 to 8.5. In the eastern United States, 75% of the lakes have a pH in the acidic range, from 6.5 to 4.2.
Based on this new information, what species are most likely to survive in eastern U.S. lakes, if the pH drops and remains at 4.2?
A) frogs
B) clams and snails
C) none of the species would survive
D) frogs, perch, trout, salamanders
Answer:
C) none of the species would survive
Explanation:
clam only goes down to a pH of 4.5
Answer:
The correct answer is C) none of the species would survive
Explanation:
According to the given data, the minimum pH range in which an organism can survive is 4.5-5.0 and that is for clam and that maximum range an organism can live is between 7.0-9.5 which is for frog.
Therefore according to data, no organism can live below pH 4.5 and above pH 9.5 or organism can only live between pH 4.5-9.5. So if the pH eastern U.S. lake drops to 4.2 than even clam will not able to survive in that lake.
This means the pH of the lake is too acidic for the survival of any species, therefore, the correct answer is C) None of the species would survive.
How does water effect metamorphic process
Answer: The role of water in metamorphism is determined by the independent variables rock pressure, temperature, water pressure, and the amount of water present.
Explanation:
Answer:
1) Water pressures lower than the rock pressure cause metamorphic reactions to run at lower temperatures.
2) Water facilitates the transfer of ions between minerals and within minerals, and therefore increases the rates at which metamorphic reactions take place. So, while the water doesn’t necessarily change the outcome of a metamorphic process, it speeds the process up so metamorphism might take place over a shorter time period, or metamorphic processes that might not otherwise have had time to be completed are completed.
3) Water, especially hot water, can have elevated concentrations of dissolved substances, and therefore it is an important medium for moving certain elements around within the crust. So not only does water facilitate metamorphic reactions on a grain-to-grain basis, it also allows for the transportation of ions from one place to another. This is very important in hydrothermal processes, which are discussed toward the end of this chapter, and in the formation of mineral deposits.
Explanation:
how old is the earth
Answer:
4.543 billion years
Explanation:
The Earth is around 4.6 billion years old. earth has a slightly squashed sphere, measuring 7,973 miles (12,756 km) in the diameter at the equator.
differences between virus and bacterium
Answer:
A virus attaches itself to cells and usually reprograms them to reproduce itself. Also, unlike bacteria, most viruses do cause disease. Some virus-caused diseases include the common cold, AIDS, herpes, and chickenpox
Explanation:
Answer:
A virus can not be cured, but it can be treated to be better.
A bacterium can be cured.
Explanation:
HOW DO I EXPLAIN THAT?!
Why might a farmer choose to install wind turbines rather than solar panels?
A. Wind turbines allow agricultural use of the land.
B. Wind turbines make less noise than solar cells.
C. Wind turbines harm fewer animals than solar cells.
D. Wind turbines are more reliable than solar cells.
Since wind turbines take less space than solar panels and may be installed in fields with crops and cattle, a farmer may decide to install wind turbines rather than solar panels. So, the correct option is A.
What are Wind turbines?Tall, tower-like devices called wind turbines are used to transform the kinetic energy of the wind into electrical energy. They typically consist of a nacelle (or housing), a tower, and a rotor (or blades).
A wind turbine is built with blades that are intended to harness wind energy and turn the rotor. The generator in the nacelle is connected to the shaft that the rotor is attached to. The generator is turned as the rotor revolves, transforming kinetic energy into electrical energy. The rotor and nacelle are supported by the tower, which also raises the blades high into the air to catch the wind.
Since wind turbines take less space than solar panels and may be installed in fields with crops and cattle, a farmer may decide to install wind turbines rather than solar panels.
Therefore, the correct option is A.
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How is NADPH different from NADP+? A. It has lost one electron B. It has gained one electron C. It has gained one proton D. It has lost one proton
Answer: The correct answer is -
A. It has lost one electron.
Explanation:
NADPH acts as a reducing agent as it can donate electron to get converted to NADP+.
This means that NADP+ due to extra proton in its chemical structure, is an oxidised form of NADPH.
NADP+ is a significant molecule that is used in the movement of high energy electrons in several processes like photosynthesis.
Thus, when NADPH loses one electron, it produces NADP+.
NADPH differs from NADP+ in that it has gained one proton, transforming from its oxidized form (NADP+) to its reduced form (NADPH) through the addition of two electrons and one proton. Hence, the correct option is C.
NADPH differs from NADP+ in that it has gained one proton. This is because the reduction of NADP+ to NADPH involves the addition of two electrons and one proton. This process transforms NADP+, the oxidized form of the molecule, into NADPH, its reduced form. Essentially, NADPH holds more energy than NADP+ due to the gain of electrons and a proton, making it a crucial molecule in the photosynthetic process, where it acts as a carrier of electrons and protons.
CAN SOMEONE PLEASE HELP ME EITH THIS ASAP
For this assignment, you will demonstrate what you have learned about the properties of water by designing and
conducting an experiment that examines one of water's properties. First review this example of an experiment
designed to investigate waters specific heat.
Design and conduct an experiment to investigate water's surface tension.
To investigate water's surface tension, you can design an experiment that involves observing how water behaves with different substances placed on its surface. Start by filling a small container, such as a shallow dish or a petri dish, with water.
Then, carefully place various small objects, such as paperclips, coins, or small pieces of paper, on the surface of the water one at a time and observe what happens. Measure the number of objects that the water's surface can support before they sink. Repeat the experiment with different liquids, such as oil or rubbing alcohol, to compare their surface tension properties with that of water.
The surface tension of water is a result of the cohesive forces between water molecules, which causes them to attract and hold together at the surface. This experiment allows you to observe how surface tension affects the ability of water to support objects on its surface and compare it to other liquids. By understanding surface tension, you gain insight into one of the unique properties of water that plays a crucial role in various natural phenomena, such as the behavior of water striders on the surface of ponds or the formation of droplets on leaves.
Which is a frameshift mutation
Answer: if I’m correct it’s deletion
Explanation:
Which is not a difference between a population showing exponential growth and a population showing logistic growth?
Answer:
Mutation rate is not a difference between a population showing exponential growth and a population showing logistic growth. Hope this helped :D
In general, due to the laws of physics, as magnification INCREASES in a microscope, the field of view A) blurs B) decreases C) doubles D) increases
Answer:
The answer is B) Decreases.
Explanation:
Let me know if I'm right.
Which best describes a bacterium?
This question isn't really finished, but bacterium are unicellular prokaryote.
I hope this helps?.. :S
The map shows the distribution of wild boars in the united states. wild boars are an invasive species to the united states
Wild boars have established successfully in areas with warm climates.
Answer is third choice