Answer:
This situation might happen depending on the ecosystem that it takes place in.
Explanation:
For example, in one ecosystem, where there are no serious predators trying to get the coyotes, they could be in a higher level because there is no immediate danger to them. However, in another ecosystem where there are predators trying to hunt them, they would be in a lower level because there, they are not at the top of the food web. Basically, it all depends on the ecosystem.
Hope this helps!
During the New Imperialism nations expanded their empires to
Answer: To compete with one another
Explanation: pennfoster
what is the genetic causes of edward syndrome
Answer:
A baby with Edwards' syndrome has 3 copies of chromosome number 18 instead of 2. This affects the way the baby grows and develops. Having 3 copies of chromosome 18 usually happens by chance, because of a change in the sperm or egg before a baby is conceived.
Explanation:
Where are the oldest fossils located and why?
Answer:
Western Australia
Explanation:
Microscopic fossils discovered in a nearly 3.5 billion-year-old piece of rock in Western Australia.The oldest fossils ever found and indeed the earliest direct evidence of life on Earth
On Isle Royale, wolves are the main predators of moose. The graph shows the changing wolf and moose populations on the island over a 50-year time span.
The graph plots the populations of moose and wolves in separate lines from 1955 to 2005. The two populations appear to follow opposite trends: when one population is higher, the other population is lower.
Which statement provides the strongest explanation for the trends in the two populations?
A. The populations of predators and prey are limited by abiotic factors only.
B. Predation acts a density-dependent limiting factor on prey, but not on predators.
C. Predation acts as a density-independent limiting factor on predators, but not on prey.
D. Predator-prey relationships act as density-dependent limiting factors on both predators and prey.
Answer:
D
Explanation:
The statement provides the strongest explanation for the trends in the two populations is predator-prey relationships act as density-dependent limiting factors on both predators and prey. Hence option D is correct.
What is predator?Predator is defined as an organism that mostly hunts and consumes other organisms for food. The term "predator" refers to a species that hunts and eats specific other organisms. The animals that predators consume are referred to as prey.
Predator-prey interactions and prey-predator interactions are both crucial density-dependent population controls. The other population's size determines how each population changes in size. When the population density reaches a particular point, a density-dependent limiting factor takes effect. Competition, parasitism, and disease are other instances of density-dependent limiting variables.
Thus, the statement provides the strongest explanation for the trends in the two populations is predator-prey relationships act as density-dependent limiting factors on both predators and prey. Hence option D is correct.
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Since a virus is NOT a cell it does not have a membrane . What does it have instead ?HELP
Answer:
I think it has a DNA or RNA
Isostasy leads to isostatic adjustment if mass is redistributed. Erosion redistributes rock from the mountain to the sediment in the
basin. Which statement does NOT reflect what occurs when erosion happens?
-)))
A)
Mass increases at the crust.
B)
Less mass on the mountain causes uplift.
0
The crust beneath the mountain thins and rises.
D)
The mass of the crust decreases and the mass of the mantle increases.
Answer: It's A.
Explanation: I am doing UsatestPrep, Now I got this answer wrong, but afterwards it told me the right answer is! "Mass increases at the crust" I got the answer wrong originally because I chose B but it's actually A.
Answer:
Its A because Mass increases at the crust. . Mass is actually decreasing due to erosion of the crust, isostatic adjustment will thus, cause the mantle mass to increase over time.
Explanation:
What happens in an endothermic reaction?
Answer:
In endothermic reactions, more energy is absorbed when the bonds in the reactants are broken than is released when new bonds are formed in the products. Endothermic reactions are accompanied by a decrease in temperature of the reaction mixture.
An endosperm is the embryo of a plant. False True
Answer:
False
Explanation:
Do compounds have the same properties as the elements they were made from
Answer:
No, compounds do not have the same properties as the elements they were made from.
this is regular science but the topic is introduction to body systems from the science book please someone help thanks
Answer:
1. Homeostasis
2. Organ system
3.The bones of the skeletal system serve to protect the body's organs, support the weight of the body, and give the body shape. The muscles of the muscular system attach to these bones, pulling on them to allow for movement of the body.
4.The nervous and endocrine systems are two forms of communication system in the human body that integrate, coordinate and respond to sensory information which is received by the human body from its surroundings
5.The skin functions by protecting the body from basic elements of nature such as water, UV sunlight and wind. ... However, skin in integumentary system acts by maintaining the internal conditions that is required by the body while it is excretory system because it secretes a fluid waste called sweat or perspiration.
6.In order to survive, cells must satisfy some basic needs such as oxygen, water, nutrients, waste removal, and maintaining of homeostasis. Oxygen and nutrients are necessary for different processes inside the cell. For instance, cellular respiration uses glucose and oxygen to form energy in the form of ATP.Water is important for different chemical reactions, as well. Also, the result of different processes, waste is produced and it is important to remove it from the cell. Finally, it is important that cell and whole body conditions do not vary so much and that homeostasis is maintained.
7.Ribosomes provide another good example of structure determining function. These small cellular components are made of protein and ribosomal RNA (rRNA). Their main function is to translate messenger RNA, or mRNA, into strings of amino acids called proteins.
8. the body is not in homeostasis from 7 to 10 hours. Explanation: The given graph shows homeostasis in terms of body temperature. The normal body temperature, that is 37 degrees C is maintained from 1 to around 6:45 hours.
9.There are several reasons why the body temperature falls continuously just like when you are exposed to an extreme cold weather or wearing wet clothing for a long time. This abnormality state of the body temperature can lead into some potential diseases and disorders like infection, insomnia, stress and sepsis
10.Sweating also hydrates your skin and maintains the balance of electrolytes in your body. The fluid you sweat comprises mainly salt and water. Excessive sweating can cause dehydration since you lose a large amount of water. The technical term for excessive sweating is hyperhidrosis.
Explanation:
Which optical phenomena are formed by cloud droplets?
Answer:
Cloud iridescence
Sunlight travels through the cloud and is diffracted by the droplets, creating the rainbow effect. It can appear as a patch or band at the cloud's edges and changes as the cloud evolves.
Explanation:
Answer:
Cloud iridescence
Sunlight travels through the cloud and is diffracted — or spread out — by the droplets, creating the rainbow effect. It can appear as a patch or band at the cloud's edges and changes as the cloud evolves. Iridescence is mostly seen when part of a cloud is forming and when it is closer to the sun.May 11, 2018
Explanation:
Good luck
During photosynthesis energy from the sun is converted into
loop of Henle concentration gradient
Answer:
The Loop of Henle serves to create a concentration gradient throughout the nephron which helps increase the reabsorption of water and certain ions. In the thin descending limb, water is very permeable and is reabsorbed due to the existing concentration gradient in the medulla.
What's a chromosome
help me with this question
Answer:
D
Explanation:
Why is interphase an important part of the cell cycle?
Interphase is important for cell division because it allows the cell to grow, replicate its DNA, and make final preparations for cell division.
Nursery stock includes
O fruit plants, such as watermelon.
O fruit trees, such as apples.
O vegetable plants, such as broccoli.
O herbs, such as basil.
So answer is B
Thank you all......
Answer: It is B I just took the quiz
Explanation:
What would happen if a cell couldn't make catalase?
Answer:
If hydrogen peroxide is not broken down by catalase, additional reactions convert it into compounds called reactive oxygen species that can damage DNA, proteins, and cell membranes. ... A shortage of this enzyme can allow hydrogen peroxide to build up to toxic levels in certain cells
If hydrogen peroxide is not broken down by catalase, it can be converted into reactive oxygen species, which can damage DNA, proteins, and cell membranes.
What is catalase?Catalase is an important enzyme that uses hydrogen peroxide, a non-radical ROS, as a substrate.This enzyme breaks down and neutralizes hydrogen peroxide to maintain optimal molecular levels within cells.It is also essential for cell signaling processes. The catalase enzyme breaks down hydrogen peroxide (H2O2) into water and molecular oxygen, protecting cells from oxidative damage by reactive oxygen species.Commercially available catalase is produced from Aspergillus niger by a solid-state fermentation process.Peroxidase or catalase is an enzyme of the oxidoreductase class. The peroxidase enzyme catalyzes the breakdown of hydrogen peroxide into water and molecular oxygen as shown.Catalase is a tetrameric heme protein that detoxifies H2O2 into oxygen and water.It is a metalloprotein oxidoreductase and when present in high concentrations he efficiently removes H2O2.To learn more about catalase, refer
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Many animals, like mice, ______ when they sense danger. run, freeze, eat, hiss.
Help! My FREEZE answer was graded CORRECT ?!
This question has already been answered twice, a lot, for both Run AND Freeze so I need to ask again!!
My cousin had this same question from another curriculum provider at a lower grade level and her correct answer was run!!!!
You'd think anything would run is common sense! But....My question depends on what curriculum is given!
MY correct answer for my question was from biology unit 3, assignment 2, Animal Behavior and Interdependencies, printed page 3, under AVOIDING CAPTURE section, video transcript, part 1, right after 1st image, sentence " Many animals will freeze up if they hear an unfamiliar sound or feel or smell an approaching predator." and THAT'S what my ody ssey question wanted as the correct answer. Wow! So my question is... who's curriculum and test wants the run answer?
Answer:
Run
hope it will help you
Predict the method that estrogen will initiate the reception process in its cell signaling pathway.
a. Estrogen will bind to a transmembrane signal receptor that activates cell-signaling pathways.
b. Estrogen will act as a steroid signal receptor that activates ion channel proteins.
c. Estrogen will serve as a second messenger that activates cell-signaling pathways.
d. Estrogen will bind to a receptor protein that enters the nucleus and activates specific genes.
Answer:
d. Estrogen will bind to a receptor protein that enters the nucleus and activates specific genes.
Explanation:
Estrogens are small lipophilic molecules synthesized from cholesterol. This steroid hormone (estrogen) is able to directly enter into the cell nucleus to bind with their corresponding receptors. Subsequently, estrogen-receptor binding stimulates these receptors to form dimeric structures that bind to DNA and thus activate gene expression. Estrogen receptors interact with DNA and activate gene expression through zinc finger domains composed of four (4) cysteine residues surrounding a zinc atom.
What happens when cerebrum of brain get injured?
Which ends up with half the number of chromosomes?
Answer:
Meiosis end ups with half the no. of chromosomes..
Answer:
Meosis
Explanation:
Meosis 1 ends with 2 diploid cells that end up dividing again into 4 haploid cells. Thus, the end result of meosis is 4 haploid cells with 23 chromosomes each.
PLS HELP ME ON THIS ONE TOO!!!:))
Answer:
it is c on 1 D on 4 A on 2 and Bon 3
Three cells that each has a diploid number of 32 go through meiosis. How
many cells result and how many total chromosomes are in each cell?
Answer: 6 cells, 16 chromosomes each.
Explanation:each cell, after meiosis produces two haploid cells.
three diploid cells (2n=32) after meiosis give six haploid cells
Please please help!
Answer:
should be 4
Explanation:
plants cant do photosynthesis without sunlight
The membrane is stiffened in some spots, decreasing its fluidity, by the process of _______ molecules
list 5 characteristics that genes code for.
Help I need it fast ♀️♀️
The purpose of translation is to -
create new organelles and recycle old ones.
prevent mutations that may, harm an organism.
produce messenger RNA as a first step in protein synthesis.
create proteins by bonding together amino acids.
Answer: create proteins by bonding together amino acids.
Explanation:
Translation can be defined as the process in which the messenger RNA is decoded in the ribosome that is outside the nucleus. This is done to produce the specific chain of amino acid to produce polypeptide chain. The polypeptide chain get folded to produce protein this protein is responsible for performing functions in the cell. The genetic code determines the relation in between the amino acid sequence and base pairs in the gene.
Decision as to the cause or nature of a disease given by the M.D.
_____________.
it gives no choices but this is medical terminology
please help
15. Which of the following are functions of the exoskeleton? Check all that
apply.
-Protection of internal organs
-Provide for muscle attachment and movement
-Structural support
-Prevention of water loss
Answer:
•Protection of internal organs
•Provide for muscle attachment and movement
•Structural support
The following that are functions of the exoskeleton are:
Protection of internal organsProvide for muscle attachment and movementStructural supportWhat is an exoskeleton?An exoskeleton is an outer skeleton that is present outside the body of some insects and other organisms. The exoskeleton is made up of hard substances like calcium carbonate or chitin protein.
The exoskeleton protects the soft tissues and organs of organisms. They are helpful in saving the organism from predators and other factors of the environment.
The exoskeleton is present in most arthropods. They also help in reducing water loss from the body.
Thus, the functions of the exoskeleton are:
Protection of internal organsProvide for muscle attachment and movementStructural supportTo learn more about exoskeleton, refer to the link:
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