An environment in which nonliving substances and living organisms work together is called
A) a population
B) a community
C) an ecosystem
Hi can someone help me w this? thanks!
Answers
Answer:
the answer is
c.) ecosystem
Explanation:
ecosystem is a community of living things and non living things that interact in the same environment
Extra Information:. Population- is a group of individuals of the same species living within an area
. Species - is a group of individuals that can reproduce naturally with one another and create a fertile offspring
.Community- is a group of living and non living things in the same environment
.Biotic factors - living things such as plants,animals,bacteria,fungi ... that are found in ecosystems
.Abiotic factors - non living things such as water,air,sans,light.. that are found in ecosystems
HOPE THIS HELPDS :D
Answer:
ecosystem
Explanation:
ye
Related Questions
cells in the nervous system which have various functions related to support and nourishment are called:
Answers
brain or nervous system cells are called as neurons
Cells in the nervous system which have various functions related to support and nourishment are called glial cells.
What are the functions of glial cells?Glia, also called glial cells (gliocytes) or neuroglia, are non-neuronal cells in the central nervous system (brain and spinal cord) and the peripheral nervous system that do not produce electrical impulses.
Functions include: clean up brain "debris"; transport nutrients to neurons; hold neurons in place; digest parts of dead neurons; regulate content of extracellular space; promote synaptic connections.
Any of the cells that hold nerve cells in place and help them work the way they should. The types of glial cells include oligodendrocytes, astrocytes, microglia, and ependymal cells.
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How does NADP*+ become NADPH?
Answers
In the GAL gene system, ________ are cis-acting regulatory elements, and the ________ protein is a trans-acting regulatory protein.
Answers
Answer:
UASG; Gal4
Explanation:
Which of the following is a biological hazard?
a) Noise
b) Fiber
c) Mold
d) Dust
Answers
Answer:
ur answer is c i belive becasue it makes the enviroment around people hard to live in
Explanation:
C) mold
EXPLANATION
Any risk that comes form the biosphere is a biological hazard. Fungi and mold are biological hazards. Mold can trigger respiratory problems such as asthma. It produces potentially toxic substances.
Hope this helps!! :)
1.
Choose which of Newton’s laws of motion is occurring in the boundary type’s situation.
Two plates that slide past each other build up stress that is released as an earthquake.
1st Law of Motion
2nd Law of Motion
3rd Law of Motion
Answers
Answer:
3rd Law of Motion
Explanation:
Answer: newton’s 1st law of motion
Explanation: Inertia states that an object that is at rest will stay at rest and an object that is in motion will stay in motion unless acted on by an unbalanced force.
Life Processes
Which one of the following diets would you recommend to patient of high blood pressure?
(a) High sugar, low fat, low salt (b) Low sugar, low fat, low salt
(c) High sugar, high fat, low salt (d) High sugar, low fat, high salt
Answers
Answer:
b
Explanation:
since the patient has high blood pressure so his body contains high sugar and salt. so one should recommend them to have a diet of low sugar low fat and low salt
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The following diagram shows the branching tree for four kingdoms and some of their shared derived characteristics.
A slanting line is shown. There are four lines drawn vertically on this line at equal intervals. There is a black circle between each pair of these vertical lines. Protists, Plants, Fungi, Animals are written on top of each vertical line in order from left to right. Common Cell is written on the left most end of the sloping line. The second black circle has Mostly Multicellular written on it. The first black circle has X written on it.
What shared characteristic can be written at point X? Use complete sentences to explain your answer.
Answers
Answer:
i need to do some research really quick then i will give the answer once i find it
Explanation:
What are the parts of a leaf (plant cell) involved in photosynthesis?
Answers
Hope that helps! Plz give Brainlyist need points. Thank you!
how do you use fossils to see change
Answers
Fossils help show use how the earth looked like millions of years ago, Plant fossils show use what the wild life would have ate and the nutrients they had. it also helps show the bone structure of animals helping us create an actually picture of the past.
- can I have brainlist please
7)When a body cell divides through the process of mitosis, the chromosomes in the daughter cells *
10 points
are formed when chromosomes from the parent cell cross over.
are identical to the chromosomes of the parent cell.
represent only the healthiest chromosomes from the parent cell.
represent only half of the chromosomes in the parent cell.
8)Before a cell enters mitosis, what happens to the genetic information in that cell? *
10 points
The information is duplicated.
The information is selectively mutated.
The information is halved.
The information is completely changed.
9)Which of the following best describes how mitosis is related to cellular reproduction? *
10 points
Mitosis is a phase in asexual reproduction that results in the formation of similar, but not identical, nuclei in the daughter cells.
Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of similar, but not identical, nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of identical nuclei in the daughter cells.10)Which of the following occurs during the interphase stage of the cell cycle? I. DNA is replicated. II. The cell divides. III. The cell grows in size. *
10 points
II only
I and III only
I, II, and III
I and II only
11)A diagram of the cell cycle is shown below. Which of the following statements best describes what happens during the S phase of the cell cycle? *
10 points
Captionless Image
The cell's chromosomes separate.
The contents of the cell divide.
The cell's DNA is replicated.
The cell prepares for mitosis.
12)At a point during a cell's development, it begins to differentiate. How does differentiation occur? *
10 points
Certain genes are turned on and others are turned off; this action produces adult cells that are specialized
As a cell matures, genes that are not necessary to its function are ejected out of the cell through active transport.
The number of chromosomes in the cell is reduced by half; this action triggers the specialization of the cell.
A developing cell's function is determined by the number of organelles that are contained in the cell.
Answers
Through the mitotic process, two identical diploid daughter cells are produced. Mitosis is preceeded by the interphase and followed by cytokinesis. 7) b. / 8) a. / 9) b. / 10) b. / 11) c. / 12) a.
-------------------------------------------------
The interphase occurs before cell division. It is composed of the G1, S, and G2 stages.
During the G1 stage, the cell duplicates in size. The organelles and other cytoplasmatic structures duplicate. The high intense biochemical activity is characteristic of this stage. During the S stage occurs the DNI molecule replication process. At this point, also happens the synthesis of histones and other associated proteins. The G2 stage is the final one before the cellular division. Here begins the slow process of DNI condensation. Duplication of centrioles completes. Structures such as spindle fibers are assembled.
Mitosis is a process by which, from a diploid somatic cell (2n), two daughter diploid cells (2n) are produced.
Daughter cells are identical to the original cell.
Mitosis occurs in only one phase, divided into four stages.
In the prophase, it occurs chromosomes condensation and nuclear membrane breaks. During the metaphase, chromosomes are taken toward the center of the cell by the spindle apparatus. Once in the equatorial plane, chromosomes line up.Each chromatid joins with a microtubule of opposites poles.
In Anaphase, bonds between chromatids break. They separate and migrate to the opposite poles. In telophase, duplicated chromosomes are already in the corresponding poles, and the nuclear membrane forms again in each pole.Finally, cytokinesis occurs.
*************************************
Now, according to this theoretical framework, we can answer the questions.
7) b. are identical to the chromosomes of the parent cell.
8) a. The information is duplicated.
9) b. Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.
10) b. I and III only
11) c. The cell's DNA is replicated.
12) a. Certain genes are turned on and others are turned off; this action produces adult cells that are specialized
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12. Which is NOT a natural cause of extinction?
A. Disease
B. Catastrophic events
C. Introduction of new species
D. Competition due to overpopulation
24. Which is NOT true about energy transformation?
A. Energy is essential to all organisms.
B. Food contains energy that is needed by all organism.
C. Heterotrophs feed on autotrophs and other heterotrophs to gain energy.
D. Autotrophs do not need energy because they can produce their own food.
23. Which is the CORRECT sequence of events in cellular respiration?
A. Glycolysis - fermentation - Krebs Cycle
B. Glycolysis - Krebs Cycle - Electron Transport
C. Krebs Cycle - Electron Transport - Glycolysis
D. Krebs Cycle - Glycolysis - Electron Transport
2. In humans there are four types of blood; type A, type B, type AB and type O. A person with a genotype of IaIa or Iai will have blood type_____?
A. A
B. B
C. O
D. AB
4. A couple has four children, one son and three daughters. What is the chance that the fifth child will be a daughter?
A. ¼
B. ½
C. ¾
D. 1/5
22. Cellular respiration releases energy by breaking down_______.
A. ATP
B. water
C. carbon dioxide
D. food molecules
5. A man is colorblind but there is no history of this disorder in his wife’s family. What is the chance that their son is color
blind?
A. 0
B. 25%
C. 75%
D. 100%
25. Which BEST summarizes the process of respiration?
A. Water + Carbon Dioxide ( light) sugar + oxygen
B. Sugar + Oxygen (enzymes) water+ carbon dioxide +energy
C. Water + Sugar ( light ) carbon dioxide + oxygen
D. Oxygen + Water (enzymes) sugar + carbon dioxide + energy
1. A father with blood type AB and a mother with blood type O will probably produce offspring with a blood type ___. *
A. A
B. B
C. A or B
D.AB or O
6. What is a sex- linked trait that results in the inability to have normal blood clotting?
A. baldness
B. color blindness
C. diabetes
D. hemophilia
11. What causes species extinction?
A. Pollution and reforestation
B. Reforestation and carbon emission
C. climate change and over consumption
D. conservation and consume
18. The pigment molecules responsible for photosynthesis are located in the _______? *
A. Mitochondria
B. Cytoplasm of the cell
C. Stroma of the chloroplasts
D. Thylakoid membrane of the chloroplasts
13. Which part of a leaf contains most of the chloroplasts?
A. Lower epidermis
B. Palisade mesophyll
C. Spongy mesophyll
D. Upper epidermis
19. At optimum light intensity, which atmospheric gas most directly influences the rate of photosynthesis?
A. Nitrogen
B. Oxygen
C. Sulfur
D. Carbon Dioxide
14. What part of the leaf is this tiny opening in the lower epidermis which makes it rough and responsible for the entrance and exit of gases in plants?
A. xylem
B. phloem
C. stomata
D. guard cells
16. In which part of the chloroplast does light reactions of photosynthesis takes place?
A. Grana
B. Stroma
C. Inner membrane
D. Outer membrane
17. Which is NOT needed to make food in plants?
A. Flower
B. Sunlight
C. Chlorophyll
D. Carbon Dioxid
8. Color-blindness is inherited as a sex-linked recessive trait. If a normal woman, carrier of the gene marries a man with normal color vision. What would be the expected phenotype of their children with reference to color-blindness?
A. All color-blind
B. 2 carriers, 2 color-blind
C. 1 normal, 3 carriers
D. 2 normal, 1 carrier, 1 color-blind
3. Blood type O has both antibodies A and antibodies B in the plasma but has no antigen on its erythrocytes or red blood cells. That is why Blood Type O is considered UNIVERSAL______.
A. Blood
B. Donor
C. Marker
D. Recipient
7. Melvin’s thinning hair is like that of his father. This characteristic of baldness is due to
A. multiple alleles
B. sex-linked
C. sex-influenced
D. sex-limited
Answers
Answer:
A bowling ball weighs 15 pounds on Earth and weighs 4 pounds on the planet Saturn. You could determine a 100–pound earthling's weight on Saturn using the proportion:
Explanation:
a.
StartFraction 15 Over 4 EndFraction = StartFraction b Over 100 EndFraction
c.
StartFraction 4 Over 15 EndFraction = StartFraction 100 Over b EndFraction
b.
StartFraction 15 Over 4 EndFraction = 100 Over b EndFraction
d.
either a or c
The type of fossil fuel made from the remains of ancient plants that lived millions of years ago is A. peat B. coal C. oil D. natural gas E. synfuel
Answers
Answer is B coal
Explanation:
thank you
Q2.A cook prepares a fresh fruit salad by cutting up a variety of fruits and placing them in a bowl
with layers of sugar in between. After two hours the fruit is surrounded by syrup
(concentrated sugar solution)
freshly-prepared fruit salad
Explain, as fully as you can, why syrup (concentrated sugar solution) was produced after
two hours.
Answers
Answer:
Because its juicy
Explanation:
if a dna strand has the nucleotide sequence of CCGAGTTG, what is the nucleotide sequence of the complementary strand
Answers
Answer:
i dont know
:>
Which structure is found in all eukaryotic cells?
flagella
large central vacuole
cilia
Golgi apparatus
Answers
i would put Golgi apparatus as the answer
All of the components in the list below exist in either the mitochondria, the chloroplast or they can be found in either. Match up the components to the organelle in which they exist.
Answers
Answer:
the answer is that there is no liat
which of the following scenarios is least likely to have a detrimental impact on an ecosystem?
A. people fish every species at a slower rate than they can repopulate.
B. people regularly engage in trolling catching numerous species as by catch.
C. people fish sharks for sharks fin soup at a faster rate than they can repopulate.
D. people fish bluefin tuna to the point that they become endangered.
Answers
if people are fishing species at a slower rate than they can repopulate, it won’t have a detrimental impact on an ecosystem.
Describe how the Earth’s surface changed over time?
Answers
Answer:
Earth's surface is constantly changing. Wind, water, and ice break down large rocks and move sediments on the surface. It usually takes years for weathering, erosion, and deposition to cause noticeable changes. Some events, though, change Earth's surface much more quickly.There are basically 2 types of changes that occur to the earth's surface (i) Slow change and (ii) fast change. Fast changes occur through the actions of earthquakes, volcanoes, landslides, etc. while slow change takes time and has a process.
Explanation:
Our home planet Earth is a rocky, terrestrial planet. It has a solid and active surface with mountains, valleys, canyons, plains and so much more. Earth is special because it is an ocean planet. Water covers 70% of Earth's surface. When it comes to changes on the Earth's surface, the main processes to take into account are plate tectonics and the rock cycle as well as the sea-floor spreading. ... These collisions causes mountains and volcanoes to form on the plate boundaries and thus changes the shape and form of the landmass
Two investors are each issued one bond with the same face value, maturity date, and yield. After both bonds have reached
maturity, it is discovered that one of the bondholders received a greater total return on her investment. If all expected payments
were received, which of the following could explain the difference in return? (1 point)
Answers
Answer: One of the bonds was sold at face value while another was sold below face value.
Explanation: I took the quick check
A bond was sold at its face value, while another was sold for less.
What is the investment?An investment is a purchase undertaken with the hope of earning money or increasing capital. Appreciation is the term for an asset's value rising over time. When someone invests in a product, they do not aim to use it for immediate consumption but rather as a means of generating money in the future.
An investment always entails the use of some resource today, such as time, money, effort, or an item, with the hope of receiving a return that is higher than the initial investment. An investor might, for instance, purchase a financial asset right away in anticipation that it would generate income over the road or be able to be sold for a profit at a higher price.
Therefore, A bond was sold at its face value, while another was sold for less.
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describe 4 nations with high standard of living
Answers
glucose molecules are to starch as ________ are to proteins.
Answers
Answer:
Amino acids
Explanation:
Glucose molecules are to starch what amino acids are to proteins; the glucose molecules are the monomeric units of the starch, just as the amino acids are the monomeric units of the protein.
What is the significance of the monomers?Polymers such as starch, protein, and fatty acids are found in living bodies such as those of animals and plants and polymers are made up of monomeric units such as glucose monomers that are bonded to each other by glycosidic bonds make starch, and amino acids are the monomeric units of proteins that are bonded by peptide bonds. These are necessary for the storage molecule, as well as for the cell's structural and functional units.
Hence, glucose molecules are to starch what amino acids are to proteins; the glucose molecules are the monomeric units of the starch, just as the amino acids are the monomeric units of the protein.
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1. Which of the following can cause a short circuit? A.When a wire breaks B.When theh insulation around a wire is frayed C.When the battery runs out of electricity D.When there is no resistor in the circuit.
Answers
Answer:
When the insulation around a wire is worn or frayed.
Explanation:
Im on the quiz!
Answer:
When the insulation around a wire is worn or frayed.
A person wakes up at the same time every day and always feels hungry shortly after he wakes up. These two events would correspond with the
a. pineal gland controlling calcitonin, followed by thyroid gland controlling thyroid hormone
b. pineal gland controlling melatonin, followed by thyroid gland controlling thyroid hormone
c. pineal gland controlling melatonin, followed by parathyroid gland controlling thyroid hormone
d. pineal gland controlling melatonin, followed by thyroid gland controlling parathyroid hormone
Answers
Answer:
A
Explanation:
meaning of Natality Rate
Answers
Answer:
It's the same as the birth rate.
Which group lists the levels of genetic information in order from smallest to largest.
Answers
Smallest to Largest:
1. Nucleotide
2. Gene
3. Chromosome
4. Genome
Nucleotide, Gene, Chromosome and Genome is the levels of genetic information in order from smallest to largest.
What is Chromosome?Chromosomes are the thread-like structure made up of protein (histones) and a single molecule of DNA which carries all the genetic information in it. It is located in nucleus.
Human have 23 pairs of chromosomes including pairs of 22 chromosomes (i.e. Autosomal Chromosomes) and 1 pair of Sex Chromosome (XX or XY).
Each pair contain two Chromosomes inheriting from the parents, half from mother and another half from the father.
Each chromosome have a point which is constricted in the middle known as Centromere, which divides chromosomes into two arms i.e. short arm “p” and long arm “q”.
Thus, Nucleotide, Gene, Chromosome and Genome is the levels of genetic information in order from smallest to largest.
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What could happen if the brain stem were damage
Answers
ANSWER:
A brain stem injury can cause DIZZINESS or LACK OF MOTOR FUNCTION,with more severe cases resulting in PARALYSIS,COMA,or DEATH.Treatment can be extremely expensive and many victims are unable to work while coping with a brain stem injury.
URGENT MY PROJECT IS DUE TOMORROW
IS CELL REPLICATION BASICALLY MITOSIS?
Answers
Answer:
Yes, mitosis means each cell is replicated perfectly without any changes or alterations.
This process involves replication of the cell's chromosomes, segregation of the copied DNA, and splitting of the parent cell's cytoplasm.
True or false: Despite the large explanatory ability of evolution, no direct observations of evolution have been made.
Answers
Answer:
false
Explanation:
true or false: the difference in the sun, earth, and moon’s syzygy is why there are different types of eclipses.
Answers
Answer:
I think the answer is true
The space that an organism in an ecosystem lives in is called a
A) community
B) population
C) habitat
D) niche
Answers
Answer:
(a)
Explanation:
community ha iska answer