What term refers to all the different species which live in an ecosystem?

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Answer 1

Answer:

That word is Biodiversity


Related Questions

I WILL MARK BRAINLIEST

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Answer:

thank you for making me rich man ;)

Explanation:

Help Me please ASAP!!!!!!!!!

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Answer:

the answer is 3 and that's it

2 or 3 probably , not sure tho

In what kind of star system does one star sometimes block the light from another?

1. Open Cluster
2. Globular cluster
3. quasar cluster
4. eclipsing binary

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i think the answer is 3 or 2 i

Explain why each pair of words below are opposites.

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Answer:

Explanation:

These words are opposites because of the suffixes or prefixes.

The are opposites because the meanings counter each other

In a certain ecosystem, there is a large number of rabbits which graze upon grass. Rabbits are herbivores, which means they only eat plant material. Later, a population of wolves is introduced into this ecosystem. Wolves are carnivores, which means they only eat meat.

How will the introduction of wolves into this ecosystem affect the other organisms?
A.
The change will be helpful to the rabbits and the grass.
B.
The change will be harmful to the rabbits but helpful to the grass.
C.
The change will be helpful to the rabbits but harmful to the grass.
D.
The change will be harmful to the rabbits and the grass.

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Answer:

b

Explanation:

ecosystem contains both blank and blank parts

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Explanation:

Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts.

I’ll give a lot of points just please help and has to be the correct answer

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Answer:

The ocean continued to shrink until, about 270 million years ago, the continents that were ances tral to North America and Africa collided. Huge masses of rocks were pushed west ward along the margin of North America and piled up to form the mountains that are now the Appalachians. Well, mountains are limited in their theoretical height by several processes. First is called isostasy the bigger a mountain gets, the more it weighs down its tectonic plate, so it sinks lower. The second is called glacial buzzsaw the taller and colder a peak, the faster snow and ice will wear it down/away.

Explanation:

Hope that helps you.

Which statement describes characteristics of planarians?

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They live in freshwater, are free-living, and reproduce sexually and asexually.

Most planarians are found in freshwater. Since they reproduce through fission, they reproduce asexually. However, since they are heteromorphic, they also reproduce sexually.

4. Some cells, such as human nerve and muscle cells, contain many more mitochondria
than do other cells, such as skin cells. Infer why some cells have more mitochondria
than others. (SB1a)
A. The cells divide more frequently.
B. The cells use more energy.
C. The cells store more nutrients.
D. The cells degrade more proteins.

Answers

✓ B) The cells use more energy.

Some cells such as human nerve and muscle cells.

Some cells have more mitochondria because the cells use more energy. The correct option is B.

What are mitochondria?

Mitochondria are the powerhouse of the cell. It is a long cylindrical organelle. Some cells contain more mitochondria than others because they require more energy. The mitochondria store energy for the function of the cell.

So, for example, the muscle contains a lot of mitochondria, as does the liver, the kidney, and, to some extent, the brain, which runs on the energy that those mitochondria make.

Depending on the function of the cell, several mitochondria are frequently found in one cell. Mitochondria, like other organelles, are found in the cytoplasm of cells.


Therefore, the correct option is B. The cells use more energy.

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16.
What term collectively describes the following substances: thickeners, colourings, flavourings and
dyes?

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Food additive is term that collectively describes thickeners, colourings, flavourings and dyes.

What are food additives?"Food additives are substances added to food to preserve flavour or enhance taste, appearance, or other sensory qualities."Sugar, salt, vinegar, etc. helps in preservation of food.What are thickeners?"Thickeners are substances which increases viscosity of liquid. Examples: corn-starch, wheat flour, etc."

Hence, the term collectively describing the substances: thickeners, colourings, flavourings and dyes is known as food additive.

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Students watch a cartoon and then rated how funny they thought the cartoon was

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Answer:

What's the question? Looks incomplete

3. Label the parts of the digestive system on the image below by typing in the organ name next to the corresponding letter.

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Answer:

A. Salivary Gland (I believe)

B. Esophagus

C. Liver

D. Stomach

E. Pancreas

F. Small intestine

G. Large Intestine

Please Help- Which of the following conclusions would be best supported by the fossil record?
Rocks can destroy trees.
Animals need leafy tees.
Trees give off oxygen.
The environment has changed.

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Answer:

D

Explanation:

Based on the living things in the pyramid, please tell me what examples would fit into these categories:
Primary Producers, primary consumers, secondary consumers, and tertiary consumers.

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Answer:

Primary producer = Oak tree leaves

Primary consumer = Caterpillars

Secondary consumer = Blue j a y s

Tertiary consumers = Hawk

Explanation:

An energy pyramid is a graph which shows how energy is transferred or flows from one trophic level to the next. Organisms which occupy the same level in the food chain within an ecosystem belong to the same trophic level.

The shape of an an energy pyramid is a pyramid indicating that the number of living things as well as the amount of energy flow decreases as one goes from one lower trophic level to the next higher level.

At the base of the pyramid are the primary producers which use energy of the sunlight to manufacture their own food. Example is the Oak tree.

The next higher level is the primary consumers who feed directly on the primary producers. For example caterpillars.

The next higher level is the secondary consumers who feed on the primary consumers. For example the Blue j a y s.

The highest levelin the pyramid is the tertiary consumers who feed on the secondary consumers. For example, the hawk.

how many inches of rain is to be expected in the Temperate forest biome per year?

A:10-23

B:11-27

C:12-35

D:17-40

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C that’s the answer YW

2. The excretory system consists of:

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Answer: The excretory system is largely associated with the urinary, or renal, system. This system consists of various organs that produce and then excrete the urine out of the body: the kidneys, ureters, the bladder, and the urethra. They include the kidneys, large intestine, liver, skin, and lungs. The kidneys filter blood and form urine. They are part of the urinary system, which also includes the ureters, bladder, and urethra. Each kidney has more than a million nephrons, which are the structural and functional units of the kidney.

Explanation:

i'm working on a lab report on water erosion on edg lol

pls help i'm so behind

is it okay??

Answers

Some facts about Water erosion :

Water erosion is the detachment and removal of soil material by water. The process may be natural or accelerated by human activity. ... Water erosion wears away the earth's surface. Sheet erosion is the more-or-less uniform removal of soil from the surface.

Water and Wind Erosion (cause)

Water erosion is the removal of soil by water and transportation of the eroded materials away from the point of removal. Water action due to rain erodes the soil and causes activities like gully, rill, and stream erosion leading to the downstream effects of flooding and sedimentation.

Looks pretty good to me!

3 ways in which our atmosphere is not like a greenhouse
( HELP ME PLEASE)!!!!

Answers

Answer:

1.) The atmosphere is an open system, with heat energy always escaping to space. Unlike the glass it absorbs 95% of the UV in the creation of ozone. This sounds insignificant, but one scientist argues variation in the 5 percent is the cause of warming.

2.) There are no winds in a greenhouse. In the greenhouse and in the atmosphere energy is partly transferred from the heated surfaces through collision between air molecules (conduction). However, in the atmosphere a large portion of that heat is transported vertically by rising air currents (convection), and also horizontally by advection or commonly wind. There are no winds in a greenhouse.

3.) Heat reduction in a greenhouse requires a physical change with a vent to let LW escape or a screen to block SW entering. Clouds are nature’s screen. However, they can block SW and LW, such that we have little idea how clouds work to modify temperatures

Explanation:

The basic idea of a greenhouse is that sunlight or shortwave (SW) energy passes through the glass and heats surfaces. The surfaces radiate that heat as longwave (LW) energy or sensible heat (heat you can feel). LW cannot pass through the glass, so is trapped and raises the temperature in the greenhouse; the glass acts like a one-way valve. A greenhouse is a closed system because the heat cannot escape unless artificially changed by opening vents or blocking sunlight. The glass supposedly represents the entire atmosphere. It also blocks 100 percent of the ultraviolet (UV) portion of the sunlight.

What is natural selection?
- A prodded that selects variations that help with survival and that spreads the variations to more offspring
-A process through which nature select an individual within a population for extinction
-A process that causes all populations to gradually increase in size
-A process that causes random variations to appear in the offspring of every generation

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A process that selects for variations in a population that help with survival and that spreads the variations to more offspring.

What is the difference between an adaptation and when an organism adapts? Give an example to illustrate the difference.​

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Answer:

Natural selection is the mechanism that drives the evolution of adaptations. ... The difference between adaptation and natural selection is that adaptation is the characteristic while natural selection is the mechanism that increases the probability that an advantageous characteristic is passed on and becomes commonplace

Explanation:

Answer:

snosowsjbsojokkzjsojwki iwksbsok

What are the 4 steps of mitosis? What occurs during each?

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Explanation:

There are four stages of mitosis: prophase, metaphase, anaphase and telophase.1) Prophase: chromatin into chromosomes, the nuclear envelope break down, chromosomes attach to spindle fibres by their centromeres 2) Metaphase: chromosomes line up along the metaphase plate (centre of the cell) 3) Anaphase: sister chromatids are pulled to opposite poles of the cell 4) Telophase: nuclear envelope reforms, chromosomes unfold into chromatin, cytokinesis can begin The order of the stages of mitosis can be remembered using the mnemonic PMAT.

5. Which climate type forms the thickest soil the quickest?​

Answers

soil develops faster in warm and moist climates

A mutation in a gene results in an animal that cannot make a protein that allows muscles to contract which of these is most likely to happen

Answers

Answer:

it will get weaker give water

Explanation:

feed it bread

A heritable change in a person's genetic makeup is referred to as a mutation. Changes can be substantial or negligible. Chromosomes or chromosome parts may be lost, added, duplicated, or rearranged in significant alterations. Thus, option B is correct.

What mutation in a gene results in an animal?

High-energy sources like radiation or chemicals in the environment can both result in mutations. They may also emerge on their own during DNA replication. The two main kinds of mutations are chromosomal abnormalities and point mutations.

Mutations can alter an organism's phenotype, which is its outward appearance, or they can have an impact on the way DNA encodes the genetic information (genotype). When mutations happen, they might kill an organism completely or only partially.

The likelihood that a gene mutation will cause an animal to be unable to produce the protein necessary for muscles to contract is that the animal will perish before producing any progeny.

Therefore, The animal will die before having any offspring.

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The above given question is incomplete. The complete question is given below:

A mutation in a gene results in an animal that cannot make a protein that allows muscles to contract. Which of these is most likely to happen? * A. The gene will eventually be found in all animals of the species. B. The animal will die before having any offspring. C. The gene will change back to the normal form. D. The animal will pass this gene on to many offspring.

Which statement explains a major taxonomic difference between fungi and plants? A) plant cells are terrestrial, while fungi cells are aquatic. B) plant cells are heterotrophic, while fungal cells are autotrophic. C) plant cell walls contain cellulose, while fungal cell walls contain chitin. D) plant cell walls surround a cell membrane, while fungal cell walls surround a plasma membrane

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Answer:

the answer to this question is A

Using the following words, explain the difference between
DNA and RNA.

Nucleus, uracil, double helix

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DNA contains Thymine,cytosine, adenine, and Guanine while RNA contains Uracil, Cytosine, Adenine, and Guanine

A probability of 1/4 is equal to a probability of 75%

True or False

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False the probability of 1/4 isn’t equal to 75%

A researcher studied the development of resistance to antibiotics by bacteria. She studied several antibiotics to determine how long it took for bacteria to develop resistance. She found that, on average, it took eight years for bacteria to develop resistance to an antibiotic. In some cases, bacteria developed resistance to an antibiotic within a year, and none of the antibiotics were still completely effective on bacteria after 30 years.
How is this possible?

Answers

Answer:

See Explanation

Explanation:

Antibiotic resistance is said to have occurred when a given antibiotic drug is no longer effective against the target organisms. This is as a result of genetic mutation in the organism that enable resistance to the drug.

When a drug is being used against a particular organism, the organism gradually develops genetic mutations that helps it to inactivate the antibiotic drug and increase its chances of survival. These traits are passed on to offspring, hence the onset of resistance to antibiotic drugs.

There are different mechanisms of antibiotic resistance which include; Degrading the antibiotic drugs by the use of enzymes secreted by the organism, altering proteins present in the organism upon which the antibiotic drug acts and changing membrane permeability to antibiotic drugs.

What does aerobic respiration require?

Answers

Answer:

Aerobic respiration requires oxygen.

PLEASE HELP ITS URGENT What is the functionof the peripheral nervous system? A. To transmit signals between the body and the brain or spinal cord B. To transmit signals related to movement of the hands and feet C.To transport blood to the brain D. To transport oxygen and nutrients throughout the body

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Answer:

The peripheral nervous system (PNS) is one of the two components of the nervous system, the other part is the central nervous system (CNS). The PNS consists of the nerves and ganglia outside the brain and spinal cord.[1] The main function of the PNS is to connect the CNS to the limbs and organs, essentially serving as a relay between the brain and spinal cord and the rest of the body.[2] Unlike the CNS, the PNS is not protected by the vertebral column and skull, or by the blood–brain barrier, which leaves it exposed to toxins and mechanical injuries. The peripheral nervous system is divided into the somatic nervous system and the autonomic nervous system. In the somatic nervous system, the cranial nerves are part of the PNS with the exception of the optic nerve(cranial nerve II), along with the retina. The second cranial nerve is not a true peripheral nerve but a tract of the diencephalon.[3]Cranial nerve ganglia originated in the CNS. However, the remaining ten cranial nerve axons extend beyond the brain and are therefore considered part of the PNS.[4] The autonomic nervous system is an involuntary control of smooth muscle and glands. The connection between CNS and organs allows the system to be in two different functional states: sympathetic and parasympathetic

Explanation:

59:14 Organisms that live in the tundra have developed unique adaptations that aid in their survival. Ursus maritimus has a variety of adaptations which enable it to survive in the tundra. It is the largest terrestrial carnivore, but it is also an excellent swimmer that spends much of its time in and near the water hunting its favorite food. It has large paws with small bumps to provide traction as it walks across the ice. Its fur is helpful as camouflage during the winter months, but not as helpful during the summer. Which organism has the adaptations described that enable it to survive in the tundra

Answers

Answer:

Polar bear.

Explanation:

Polar bear is the organism that has the adaptations which enable it to survive in the tundra. the polar bear has white skin and fur on all its body which helps it to camouflage in the ice and to prevent the loss of heat from its body. The polar bear catch its favourite food in the water which is the fish that provide high nutrition to the polar bear. It is a good swimmer and have large paws with small bumps that helps it to provide support while walking on the ice. The scientific name of polar bear is Ursus maritimus whose features are described in the question.

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