Biology High School

SOMEONE HELP IM NOT SURE WITH MY ANSWER


What condition can disrupt the cycles in an ecosytem?

a. clean environment

b. food and water

c. pollution

d. reforestation

Answers

Answer 1

Answer:

i think

option C

pollution

Answer 2

It's option C.

Since all other options are beneficial for our environment

Related Questions

Multiple choice answers! has to be turned in 3 mins!!!!!

Answers

Answer:

Bro, what are the questions?

Explanation:

Where is the majority of the usable energy found at the completion of glycolysis, acetyl coa formation, and the krebs cycle?.

Answers

Answer:NADH is both a high-energy molecule and more numerous than any other product

Explanation:

What factor causes a mudslide?

Answers

Disturbances in the inherent stability of a slope generate landslides. They may occur in conjunction with severe rainfall or as a result of droughts, earthquakes, or volcanic eruptions. Mudslides occur when water accumulates quickly in the ground, causing a rush of water-soaked rock, soil, and debris.

Answer:

Landslides are caused by disturbances in the natural stability of a slope. They can accompany heavy rains or follow droughts, earthquakes, or volcanic eruptions. Mudslides develop when water rapidly accumulates in the ground and results in a surge of water-saturated rock, earth, and debris.

Explanation:

what type of ecosystem do wolves live in

Answers

Tundra, mountain areas, woodlands, forests, grasslands, deserts.

Which statement best describes an organ
A. diff types of tissue work together to carry out a function
B. This is the simplest level of organization of life
C. cells of one type work together to carry out a function
D. this is the most complex organization of life

Help this is due TODAY and i need a correct answer

Answers

Answer:

A, diff types of tissue working together to carry about a function

Answer:

A

Explanation:

organ, in biology, a group of tissues in a living organism that have been adapted to perform a specific function

Which type of muscle is found in the wall of hollow organs?.

Answers

smooth muscle fibers.

Describe how the available energy in the marine ecosystem of the Pacific Northwest could be different than that of African savanna.​

Answers

Answer:

Savannah is located near the equator has more energy availability.

Explanation:

Maine ecosystem of the pacific northwest consists of open ocean and is influenced by the seasonal upwelling events and has freshwater and saline water bodies. It has an average temperature of 39 °F but is warmer near the equator.  While the African savanna is a tropical grassland ecosystem and has warm temperature year-round is characterized by grasses and dispersed trees. The sunlight easily reaches the ground and the vegetation is dense and the climate usually warm with 20 to 30° C with an annual rainfall of 30 inches per year.

The African savanna has more available energy than the marine ecosystem of the Pacific Northwest.

The African Savannah is an ecosystem that is characterized by:

warm temperatures throughout the year,

grasses and small or dispersed trees that do not form a closed canopy, and

highest seasonal rainfall in the summer.

The Pacific Northwest is a marine ecosystem that is characterized by:

mixture of climates and

abundance of mountain ranges.

The African Savannah has more available energy than the marine ecosystem of the Pacific Northwest because it is closer to the equator than the marine ecosystem of the Pacific Northwest.

Therefore, the African savanna has more available energy than the marine ecosystem of the Pacific Northwest.

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1. Which of the following statements is part of the cell theory?
a. Cells are composed mostly of empty space.
b. Cells are generally large enough for the unaided eye to see.
c. All cells are produced from existing cells.
d. Only animals are made up of cells

Answers

Answer: C) All cells are produced from existing cells

All cells are produced from existing cells statement is a part of the cell theory.

What is cell theory?

In biology, cell theory is a scientific theory first formulated in the mid-nineteenth century, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.

A component of the cell theory is that all living things are composed of one or more cells. A component of the cell theory is that the cell is the basic unit of life. A component of the cell theory is that all new cells arise from existing cells.

All known living things are made up of cells. The cell is structural & functional unit of all living things. All cells come from pre-existing cells by division.

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what is cladistic, i need help

Answers

Answer:

Cladistics refers to a biological classification system that involves the categorization of organisms based on shared traits.

Explanation:

Hope this helps! Please let me know if you need more help, or if you think my answer is incorrect. Brainliest would be MUCH appreciated. Have a great day!

The definition of a protist is a eukaryote that is

A) single celled and animal-like
B) multicellular and photosynthetic
C) fungus-like but motile
D) not an animal, plant, or fungus

Answers

Answer:

the answer is A, single celled and animal-like

12+2 to the third power divided by 4x2-15

Answers

Answer:

-0.0025

Explanation:

12+2 is 14

to the third power means 14³

that is 2744

4×2-15= -7

2744÷ -7= -0.0025510204

approximate to the nearest four digits

-0.0025

Answer:

-5

Explanation:

12+2 to the third power is 20
20/4=5
5x2=10
10-15=-5

How do nutrients move through an ecosystem?

A. Nutrients are passed through the water and are lost.
B. Nutrients are moved by decomposers from one trophic level to another and are never recycled.
C. Nutrients are recycled through closed loops called biogeochemical cycles and are used over and over.​

Answers

Answer:

c

Explanation:

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Nutrients move through an ecosystem as nutrients are recycled through closed loops called biogeochemical cycles and are used over and over.​ The correct option is C.

What are nutrients?

Nutrients are the substance that is needed by the body for energy and growth. These nutrients are present in food materials. These food materials are fruits, vegetables, etc.

An ecosystem is a place where all living organisms are lives and interact with each other. The ecosystem contains all resources that are needed by the organism.

As heterotrophic organisms, eat other animals and plants. The nutrients move from one organism to another organism.

Thus, the correct option is C. Nutrients are recycled through closed loops called biogeochemical cycles and are used over and over.​

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Which animal is prey to an owl in the food web pictured here? green plant wild cat snake mouse
Please Hurry!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

The mouse.

Explanation:

Answer:

Last one (mouse)

Explanation:

How specifically does crispr work to treat sickle cell anemia?.

Answers

Answer:

As sickle cell disease is caused by a genetic mutation, it is a perfect candidate for CRISPR-mediated gene therapy. Treating sickle cell anemia with CRISPR involves an ex vivo procedure known as gene-edited cell therapy, where hematopoietic stem cells are extracted from the patient, corrected, and then replaced.

Explanation:

why human beings are responsible for the loss of forest?​

Answers

We are chopping down trees at a rate that the Earth cannot handle. Or in easier words, pollution.

BRAINLYEST QUESTION A drug company performed a study to test the effectiveness of a new headache medicine. The researchers grouped the patients into two different groups. One group was given the pills that contained the new medicine. The other group were given pills that did NOT contain the new medicine. Why did the researchers NOT tell the patients which pill they were given?
A) to make sure they didn't get angry
B) to prevent errors in data collection
C) to keep people from leaving the study
D) to prevent bias in the data collection

Answers

Answer:

D) to prevent bias in the data collection

Explanation:

If the researchers told the patients of the pill they took, it could create bias.

Bias can make the experiment's outcome end in a different way because of the way it influences the people taking the pill.

Bias can create another factor in an experiment, making your results unreasonable due to the addition of another factor.

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Why are carbon reservoirs important in the carbon cycle?

Answers

Answer: Carbon compounds regulate the Earth's temperature, make up the food that sustains us, and provide energy that fuels our global economy. Most of Earth's carbon is stored in rocks and sediments. The rest is located in the ocean, atmosphere, and in living organisms. These are the reservoirs through which carbon cycles.

Carbon compounds govern the Earth's temperature, provide food for us to eat, and provide energy to power our global economy.

What is carbon cycle?

The carbon cycle is nature's method of recycling carbon atoms, which travel from the atmosphere into organisms on Earth and then back into the atmosphere.

Carbon is found in carbon dioxide, a greenhouse gas that works to trap heat near the Earth.

It assists Earth in retaining the energy it receives from the Sun, preventing it from escaping back into space. The Earth's ocean would be frozen solid if it weren't for carbon dioxide.

The ocean, geologic reserves of fossil fuels, the terrestrial surface, and the atmosphere are the primary carbon reservoirs. Reservoir sizes are estimated in trillions of kilograms of carbon.

Thus, the carbon reservoirs are important in the carbon cycle.

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For what are if channels responsible in cardiac autorhythmic cells?.

Answers

Answer:

The electrical signal that triggers heart contraction.

Explanation:

:)

During which portion of the cell cycle does the amount of dna in the cell decrease by half?.

Answers

Answer:

In S - phase of the cell cycle amount of DNA dobles in each cell amount of DNA remains same in each cell chromosome number is increased amount of DNA is reduced to half in each cell

Explanation:

What are the different types of physical weathering??

Answers

Freeze-thaw occurs when water continually seeps into cracks, freezes and expands, eventually breaking the rock apart.
Exfoliation occurs as cracks develop parallel to the land surface a consequence of the reduction in pressure during uplift and erosion.

How do many seeds arrive in a barren landscape?

Answers

Answer:

Hope it helps!~ (Sorry I you get it wrong or I got It wrong-)

Explanation:

Primary succession begins in barren areas, such as on bare rock exposed by a retreating glacier. ... Over hundreds of years these “pioneer species” convert the rock into soil that can support simple plants such as grasses. These grasses further modify the soil, which is then colonized by other types of plants.

~The Confuzzeled homan

Primary Succession follows the formation of new land surfaces consisting of rock, lava, volcanic ash, sand, clay, or some other exclusively mineral substrate.
This means that there is NO SOIL present. (Soil is a mixture of mineral material, decaying organic material, and living organisms. The area is barren in primary succession.)
Secondary Succession follows the destruction or partial destruction of the vegetation area by some sort of disturbance, like a fire, windstorm, or flood that leaves the soil intact.
Pioneer species initiate recovery following disturbance in both primary AND secondary successions. Pioneers "pave the way" for later colonists (plant species) by altering the biotic and abiotic environment
Climax community describes an end product of succession that persists until disturbed by environmental change. The labels I-VII represent the different stages of primary succession. I-bare rocks, II-pioneers (mosses, lichen, algae, fungi), III-annual herbaceous plants, IV-perennial herbaceous plants and grasses, V-shrubs, VI-shade intolerant trees, VII-shade tolerant trees. Examples of Secondary Succession
Fire. Fire is one of the most common causes of secondary succession and is an important component for the renewal and vitality of many types of ecosystem. ...
Harvesting, Logging and Abandonment of Crop Land. ...
Renewal After Disease. ...
Gap Dynamics. Examples of Primary Succession
Volcanic eruptions.
Retreat of glaciers.
Flooding accompanied by severe soil erosion.
Landslides.
Nuclear explosions.
Oil spills.
Abandonment of a manmade structure, such as a paved parking lot. Primary succession begins in barren areas, such as on bare rock exposed by a retreating glacier. ... Over hundreds of years these “pioneer species” convert the rock into soil that can support simple plants such as grasses. These grasses further modify the soil, which is then colonized by other types of plants. How does an area move from a sterile, barren wilderness to one full of life? Barren rock from beneath a retreating glacier, or due to a volcanic eruption. Low-growing plants such as mosses, ferns, and lichens begin to colonize. Fast-growing grasses, flow- ering plants, and small shrubs begin to take root. The ecosystem may have been stopped from reaching its full climatic climax or deflected towards a different climax by activities such as:
Cutting down the existing vegetation.
Burning as a means of forest clearance.
Planting trees or crops.
Grazing and trampling by domesticated animals.
Harvesting of planted crops. is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.
The pioneer species are hardy species which are the first to colonize barren environments or previously biodiverse steady-state ecosystems that have been disrupted, such as by fire. Some lichens grow on rocks without soil, so may be among the first of life forms, and break down the rocks into soil for plants. Primary succession is a change in vegetation which occurs on previously unvegetated terrain (Barnes et al. 1998). Examples of where primary succession may take place include the formation of new islands, on new volcanic rock, and on land formed from glacial retreats.

What is the speed of a wave with a frequency of 2 Hz and a wavelength of 87 m?
Group of answer choices

0.023 m/s

43.5 m/s

89 m/s

174 m/s

Answers

It’s 174 m/s it’s just hz x wavelength

The speed of a wave with a frequency of 2 Hz and a wavelength of 87 m will be 174 m/s. Thus, the correct option will be D.

What is Wave speed?

Wave speed can be defined as the magnitude of distance which the wave travels in a given amount of time, such as the number of meters which it travels per second of time.

Wave speed is a scalar quantity as it has only magnitude and no direction. Speed of a wave depends upon the medium in which the wave travels.

The wave speed is directly proportional to the wavelength of the wave and the frequency of the wave. Speed of a wave is the product of its wavelength and frequency. The expression for wave speed is as follows:

Speed of wave = Wavelength × Frequency

Speed of wave = 87 × 2

Speed of a wave = 174 m/s.

Therefore, the correct option will be D.

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Engineers use pieces of metal, called heat sinks, to conduct heat away from computer chips so that the chips do not melt. A newly designed computer chip produces too much heat and requires a new type of heat sink to remove the excess heat. What type of heat sink could the engineer build to keep the new chip cool?

Answers

Answer:

the engineer should build a water-cooled heatsink

Explanation:

If a regular full metal heatsink is not working due to the computer chip producing too much heat then the engineer should build a water-cooled heatsink. These are usually metal heatsinks that are filled with water. Since water has a great heat capacity it is able to retain heat very efficiently without actually warming up the water (to a certain degree). Therefore, a water heat sink is able to take the heat produced from the CPU and cool down the CPU by dissipating that heat in the water.

Are you what you eat? Yes or no and why?

Answers

You are not what you eat because if you ate a burger, you’re not a burger right?

Answer:

I am sorry but I didn't understand your question clearly...

Explanation:

Explain the importance of the enzyme topoisomerase in the replication of
DNA.

Answers

During DNA replication and transcription, DNA becomes overwound ahead of a replication fork. ... In order to prevent and correct these types of topological problems caused by the double helix, topoisomerases bind to DNA and cut the phosphate backbone of either one or both the DNA strands.
Topoisomerase plays an important maintenance role during DNA replication because this enzyme prevents the DNA double helix ahead of the replication fork from getting too tightly wound as the DNA is opened up

Which artery supplies blood to the external genitalia?.

Answers

Answer:

Internal pudendal arteries are in charge of supplying blood to the external genitalia.

Sickle cell anemia is caused by a mutation that changes one amino acid in hemoglobin. Describe how this change could affect the different levels of protein structure. *

Answers

Answer:

Explanation:

. And

How were the cardiovascular, respiratory, and excretory body systems working together?

Answers

Your digestive system absorbs water and nutrients from the food you eat. Your circulatory system carries oxygen, water, and nutrients to cells throughout your body. Wastes from the cells are eliminated by your respiratory system, your excretory system, and your skin.

please helpp!!!
a worker who repairs farm buildings would be susceptible to which of the following combinations of hazards?

Answers

Answer: Defiantly D. Unclean conditions and muscle injuries.

Explanation: You just have to go into a barn to know how bad and dirty it is and I've been in a few;)

Answer:

Heat Exposure and Falls

Explanation:

Its right on Edge

The littoral and limnetic zone are similar in that they both?

Answers

Answer:

they both have something to do with the sea but they both are at the edge of the sea

Explanation:

ima dance my pain away

Other Questions
g Identify the statements that accurately describe how hydrogen ion concentration relates to energy production in oxidative phosphorylation. Hydrogen ion concentration is lower in the mitochondrial matrix than in the intermembrane space. The pH in the mitochondrial matrix is lower than the pH in the intermembrane space. Energy is generated as a result of the difference in hydrogen ion concentration between the intermembrane space and the cytoplasm. Oxidative phosphorylation relies on the hydrogen ion concentration gradient generated and maintained by the electron transport chain. Hydrogen ions enter the mitochondrial matrix via facilitated diffusion. Pls help, if you dont know pls dont just say something random cause this affects most of my grade jordan needs to create an employee handbook. the handbook will have several written pages with bold text, plain text, and numbered lists. jordan should use a (n)A) Spreadsheetb) databasec) e-maild) word processor The length of each side of a square wooden box Raina runs 7 miles in 80 minutes. At the same rate, how many miles would she run in 64minutes? What is 3x+4=10 solve for x Please help me Can someone wright a review for Ashfall please. What effect does Thomas Paine hope The American Crisis will have on readers? He hopes it will inspire them to return home to England. He hopes it will persuade them to emigrate to America. He hopes it will persuade them to draft the Declaration of Independence. He hopes it will inspire them to keep fighting for independence. What nickname did the colonists give to a series of new laws passed by the British to punish the colonies for the Boston Tea Party? a. Horrible Acts b. Abominable Acts c. Dreadful Acts d. Intolerable Acts e. Ghastly Acts Read the excerpt from Votes for Women, a speech by Mark Twain from 1901. As for this city's government, I don't want to say much, except that it is a shame a shame; but if I should live twenty-five years longer and there is no reason why I shouldn't I think I'll see women handle the ballot. Which quotation correctly uses ellipsis to shorten Twains words?A)As for this city's government, I don't want to say much, except that it is a shame . . . a shame; but if I should live twenty-five years longer and there is no reason why I shouldn't . . . I think I'll see women handle the ballot.B)As for this city's government, I don't want to say much, except that it is a shame a shame; but if I should live twenty-five years longer . . . I shouldn't I think I'll see women handle the ballot. C)As for this city's government, I don't want to say much, except that it is a shame a shame; but if I should live twenty-five years longer and there is no reason why I shouldn't . . . .D)As for this city's government, I don't want to say much, except that it is a shame a shame; but if I should live twenty-five years longer . . . I think I'll see women handle the ballot. 3 =2b -3 can someone help me understand this Which property is illustrated by the following statement?5g + 7 = 7 +5gO A. Commutative Property of MultiplicationOB. Inverse Property of MultiplicationOC. Commutative Property of AdditionD. Associative Property of Addition Billy is paid $100 for 25 hours of work. What is the rate? photosynthesis fill-in -the-blank what is the most popular form of vietnamese art? The number of pages that Allen, Kevin, Roneisha, and Ben can read in a day is shown below.Allen read 15% of his 56-page book.Kevin read 12% of his 64-page book.Roneisha read 16% of his 42-page book.Ben read 10% of his 72-page book.Who can read the greatest number of pages in a day? Kevin Allen Roneisha Ben how do the internal factors like earthquakes and volcanoes change the earth crust 11. Of what is the diagram below an example?A. negative feedbackB. positive feedbackC. steady-state equilibriumD. static equilibrium Work out the value(3^2)^2 x (10^3)^2 hElp plS anD Ty oNce agAin.;-;