Question:
Which of the following is an incorrect statement about the regulation of populations?
Answer:
b. Density-independent factors have an increasingly greater effect as a population's density increases.
Explanation:
A population can be defined as the total number of living organisms living together in a particular place and sharing certain characteristics in common.
Generally, these populations may be divided into a fraction of the population (subpopulation) based on certain factors and reasons.
Population change equation states that the change in the size of a population over a specific period of time is equal to the sum of the number of births and the number of immigrants that joined.
Mathematically, the population change equation is given by the formula;
Population Change = (Natality - Mortality) + (Immigration - Emigration)
Population regulation can be defined as a biological process that balances limiting factors affecting the growth of a population based on density. The factors that regulate the growth of a population are divided into two (2) main categories and these includes;
I. Density-independent factors.
II. Density-dependent factors.
Density-dependent are regulating factors such as predation, diseases, and competition that affect the size of the population of living organisms through decreasing or increasing mortality and birth rate.
Furthermore, density-independent factors do not have an increasingly greater effect as a population's density increases. Thus, its effect are reduced as a population's density increases in size.
Describe how a stream interacts with the sediment. Are sand grains or pebbles picked up first? Which is more easily Eroded (transported)?
Answer:
Most mineral sediment comes from erosion and weathering, while organic ... If the water flow is strong enough to pick up sediment particles, they will ... water system – in high flow areas, larger, gravel-sized sediment will settle out first. ... This loose soil is then easily carried into a nearby river or stream by rainfall and runoff
Explanation:
Which of the following words best matches this definition: The process in which the best adapted organisms survive and pass on their traits, while those that are NOT well adapted do not survive. *
A. Natural selection
B. Organic selection
C. Artificial Selection
D. Acquired trait
Answer:
A. Natural selection
Explanation:
What organism did the wolves enolve into?
Which of the following does NOT play a role in how strong the gravity is between the earth and the moon?
1.the distance from the sun
2.the distance between them
3.the mass of the earth
4.the mass of the moon
Answer:
the distance from the sun.
Explanation:
NO LINKS OR ILL REPORT I NEED THIS NOWW!!!
What does it mean when a substance sinks in water?
O It is malleable.
O It is not soluble.
Its density is less than water's density.
O Its density is greater than water's density.
Answer:
Its density is greater than water's density.
Explanation:
If an object is more dense than water it will sink when placed in water, and if it is less dense than water it will float.
Which statement most accurately describes a relationship between two
animals in the relationship diagram?
Select one:
A. The turtle and salamander have amniotic eggs.
B.The turtle and opossum have amniotic eggs.
C. The turtle and salamander are warm-blooded.
D. The turtle and opossum are warm-blooded.
HURRY PLZ How are plant cells related to animal cells? Animal cells have lysosomes and plant cells do not. Both plant and animal cells have lysosomes. Plant cells have lysosomes and animal cells do not. Neither plant nor animal cells have lysosomes.
Animal cells have lysosomes and plant cells do not
Which of the following would MOST LIKELY result in decreasing carbon dioxide levels in a lake?
A) an increase in the amount of precipitation
B) a decrease in competition among producers
C) an increase in the number of fish caught from the lake
D) a decrease in the amount of sedimentation entering the lake
Answer: C: an increase in the number of fish caught from the lake
Explanation:
An increase in the number of fish caught from the lake would most likely result in decreasing carbon dioxide levels in the lake. Therefore, option C is correct.
What are the effects of carbon dioxide in a lake?Carbon dioxide can have both direct and indirect effects on a lake's ecosystem. Here are some of the effects:
Acidification: When carbon dioxide dissolves in water, it forms carbonic acid, which can lower the pH of the water.
Oxygen depletion: If carbon dioxide levels are too high, it can lead to oxygen depletion in the water.
Algal blooms: High levels of carbon dioxide can also stimulate the growth of algae in the water. This can result in algal blooms, which can have negative effects on the lake ecosystem, such as oxygen depletion, fish kills, and changes in water clarity.
Thus, an increase in the number of fish caught from the lake would most likely result in decreasing carbon dioxide levels in the lake. Therefore, option C is correct.
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Dont waste answers Its biology
Answer:
1. The process shown is Biological Process
2. Planting seeds
3. Lichens, mosses, algae etc.
4. Hardwood forest stage
5. 10 - 20 years
Why are shadows longer in the morning and evening?
Make sure you give a full, detailed answer, not just one sentence.
Where was Flannery O'Connor born? a. Milledgeville b. Savannah C. Andalusia d. Lourdes EL CA VE C
True or false: nutrients are used to break down oxygen and water to release glucose and carbon dioxide
Answer: it is False
Explanation: because nutrients are not used to break down oxygen and water
But these can be broken down in processes such as PHOTOSYNTHESIS ND CELLULAR RESPIRATION.
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Paleontologist have discovered many fossils that document the evolution of birds from dinosaurs that roamed earth long ago what does the fossil record tell us about this change ?
Answer:
It happened slowly over a long period of time.
Explanation:
As
you completed this assignment, the cells in your body were dividing and
the DNA in them was being copied, one _______
at a time.
DNA
Letter
Child
Mutation(used 2 times)
Plz help me
Answer:
a) DNA
Explanation:
You can quickly take out c and d, because what does a child have to do it with it and mutation isn't going to be used twice.
Letter, I don't know how that could come into a DNA being copied.
Furthermore, the answer is DNA.
"one DNA at a time."
Which two phases of the moon are expected to come immediately after the phase on August 23?
Answer:
my name is mister nisegy ok
Explanation:
The __________ system is made up of the nose, pharynx, trachea, lungs, bronchi, and alveoli. (5 points)
a
circulatory
b
endocrine
c
immune
d
respiratory
Answer:
respiratory system. it is the system that helps you breathe/lets oxygen in body
Answer:
D. RespiratoryExplanation:
Respiratory is a pertaining to respiration; respiratory assistance. The respiratory system is made up of the nose, pharynx, trachea, lungs, bronchi, and alveoli.
Circulatory is relating to circulatory system or to circulation of the blood.
Therefore, the correct answer is d. respiratory.
What is the name given to your gag reflux organ?
Answer: pharyngeal reflex
Explanation:
The gag reflex, also known as the pharyngeal reflex, is when your pharynx contracts and your larynx pushes up, contracting your throat.
The afferent limb of the reflex is supplied by the glossopharyngeal nerve (cranial nerve IX), which inputs to the nucleus solitarius and the spinal trigeminal nucleus. The efferent limb is supplied by the vagus nerve (cranial nerve X) from the nucleus ambiguus.
If a red cow (hom0zygous dominant) is crossed with a white cow (hom0zygous dominant), what alleles will the offspring have?
Rw
RW
rW
rw
Answer:
RW
Explanation:
Captial letters are dominant and because both cows are hom0zygous dominant, the offspring will inherit one white dominant allele and one dominant red allele.
Answer: The answer is B: RW
Explanation: Edge 2021
What kind of disorder might result from a DNA Mutation?
A. none of the above
B. A disorder caused by an event such as an accident
C. An infectious disease caused by a pathogen
D. An inherited genetic disease
Answer:
some well-known inherited genetic disorders include cystic fibrosis, sickle cell anemia, Tay-Sachs disease, phenylketonuria and color-blindness, among many others. All of these disorders are caused by the mutation of a single gene.
Explanation:
Squirrels and birds feed on insects in a forest. Mild temperature and high humidity favors growth of insects.
What will be the effect of decreased humidity on the forest ecosystem?
A.
Population of insects will increase in the forest.
B.
Population of birds will increase in the forest ecosystem.
C.
Competition will increase between squirrels and birds for food.
D.
Squirrels will get more adapted to the changed environmental conditions
Answer:
competition will increase between squirrels and birds for food.
A substance has a half-life of two days. If 10 days have passed, how many half-lives have the substance gone through?
show your work!!
Half life of the substance will be 5 days i.e. 10/2=5
The term is most often used in the context of radioactive decay, which occurs when unstable atomic particles lose energy.
What is half life?It is the time required for a quantity to reduce to half of its initial value.
What is radio active decay?Radioactive decay is the process by which an unstable atomic nucleus loses energy by radiation
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What usually acts as a heat sink? A. Large bodies of water B. Coastal areas C. Mountains D. Vegetation
A student is taking notes about the four steps in hurricane formation. Which of the following should be written as step number 1?
A
tropical disturbance
B
tropical depression
C
tropical storm
D
hurricane
Answer:
tropical disturbance
Explanation:
I think i am correct let me know if I am wrong
Gametes (SEX CELLS) have ... A. half the number of chromosomes found in the body cells B. twice the number of chromosomes found in body cells C. two sets of chromosomes
Answer:
A. Half the number of chromosomes found in the body body cells
Explanation:
Somatic (body cells) have 2 sets of chromosomes, while gametes have 1 set of chromosomes. Sperm has one set, and an egg has one set allowing both to fuse to create a new organism.
Answer:
[tex]\boxed {\boxed {\sf A. \ Half \ the \ number \ of \ chromosomes \ found \ in \ the \ body \ cells}}[/tex]
Explanation:
Gametes are sex cells, such as the egg and sperm. They are used in sexual reproduction to produce offspring.
The sex cells are produced during meiosis. The DNA or genetic material is replicated, then the cells divide twice. After this, four haploid cells are produced with half of the genetic material. For example, human body cells have 46 chromosomes but sex cells have 23 chromosomes.
They contain half the genetic material for an important reason. During fertilization, an egg and a sperm fuse. Each one contributes half of the genetic material from the mother or father to create one complete set for the offspring.
Gametes have half the number of chromosomes in body cells and choice A is correct.
describe how scientists would have to use to classify M.smithii into archea domain
pls help asap
Explanation:
Archaea were initially classified as bacteria, receiving the name archaebacteria (in the Archaebacteria kingdom), but this term has fallen out of use. Archaeal cells have unique properties separating them from the other two domains, Bacteria and Eukaryota. Archaea are further divided into multiple recognized phyla
Answer(Explanation):
Methanobrevibacter smithii is the predominant archaeon in the microbiota of the human gut. M. smithii has a coccobacillus shape. It plays an important role in the efficient digestion of polysaccharides by consuming the end products of bacterial fermentation.
Archaea were initially classified as bacteria, receiving the name archaebacteria (in the Archaebacteria kingdom), but this term has fallen out of use. Archaeal cells have unique properties separating them from the other two domains, Bacteria and Eukaryota. Archaea are further divided into multiple recognized phyla.
The first organism in most natural food chains is
1) An herbivore
2) A decomposes
3) Photosynthetic
4) Carnivorous
Answer:
photosynthetic
Explanation:
make the brianests pleasssse
Answer:
I believe it is an herbivore
1. What is the solid portion of smog called?
air pollution
dirt
oxygen
particulates
Answer:
particulates
Explanation:
maybe you could give that a second guess....
Answer: particulates
Explanation: i took the quiz
Which of the following statements about natural selection is FALSE? *
a. Natural Selection occurs when organisms with better fitness for an environment survive and reproduce at a greater rate than others.
b. Scientists have evidence that natural selection is continuing to occur even today.
c. Natural selection causes individuals to change the trait they are born with to adapt to a new environment.
d. Natural selection is not a random phenomenon and is a critical part of the theory of evolution.
Answer:
a.
Explanation:
the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.
Dose mitochondria transfer things to the cell
Answer:
Yes, mitochondria transfers energy to the cell.
Explanation:
A cell can be defined as the fundamental or basic functional, structural and smallest unit of life for all living organisms. Some living organisms are unicellular while others are multicellular in nature.
A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.
Muscle cells use more energy than most other cells in the body. Because of this, muscle cells must have more mitochondria.
Basically, mitochondria is one of the cell organelles found in all living organisms and it is known as the powerhouse. Therefore, mitochondria provides all the energy required in the cell by transforming energy forms through series of chemical reactions; breaking down of glucose into Adenosine Triphosphate (ATP) used for providing energy for cellular activities in the body of living organisms.
What happens when scientists turn off the gene that makes beaks in birds? A) birds have a large opening where the beak should be. B) Birds do not have any opening for their mouth. C) birds grow mouths with teeth that resemble alligator teeth. D) the birds grow mouths without any teeth.
Answer:
A) birds have a large opening where the beak should be.
Explanation:
when scientists turn off the gene that makes beaks in birds, the birds have a mouth where no teeth are present. The birds have mouth because the bird resembles and closely related to the dinosaur. There are some proteins that is responsible for the occurrence of beak but when the genes are turn off these protein stop producing that leads to turn the beak place into mouth.