Answer:
bristle worms
Explanation:
In kelp forests, the most commonly found invertebrates are bristle worms, scud, prawn, snails, and brittle stars. These animals feed on the holdfasts that keep kelp anchored to the bottom of the ocean and algae that are abundant in kelp forests. Sea urchins will often completely remove kelp plants by eating through their holdfasts. Other invertebrates found in kelp forests are sea stars, anemones, crabs, and jellyfish.
Hope this helps!
A population is separated into two groups by a geographical barrier. Over time, enough differences develop between the two groups that they do not interbreed when reunited. Which of the following terms best describes the process that has occurred?
extinction
hybridization
speciation
are males more likely to have hypophosphatemia than females explain
Answer:
Males are more likely to have hypophosphatemia.
Explanation:
In females, a mutation would have to happen in both copies of the genes to cause the disorder. It is rare having females with 2 altered copies of this gene. Males are X-linked by recessive disorders much more frequently then females.
There are _____ organisms at each level as you move up an energy pyramid.
Only _____ energy is available to the next level in a food chain.
A food web is more _____ than a food chain.
Answer:
Is there a picture that goes with this?
Jackrabbits living in the desert have large ears that help release body heat. Large ears are an adaptation to which is limiting factor?
Answer:
It is the adaptation to the limiting factor temperature.
Explanation:
The presence of long ears is the most astonishing characteristic of jackrabbits. These long ears are the jackrabbits' adaptation to their native desert habitat, which helps them to cool down the temperature of their body. The ears allowed them to do so as they are thin and possess an extensive mass of blood vessels. When the temperature of the desert becomes hard to hands, the long ears of jackrabbits allow them to enhance the flow of blood via the ears by dilating its blood vessels. This dilation helps to deflect heat from the body and thus cools the creature.
2. Which of the following statements is true?
D
A Cells don't need nutrients.
B Chloroplasts contain a cell's
genetic material.
C Cells grow and reproduce.
All nonliving things are made
of cells.
D
Answer:
Option C
Cells grow and reproduce
What is the negative impact of paper on society
Answer:
Deforestation has increased. Paper manufacturing used up to 40% of the global wood. The process of making paper releases nitrogen dioxide, sulfur dioxide, and carbon dioxide into the air, contributing to pollution such as greenhouse gases.
Explanation:
hope this helps!!!!!!
An individual has type ab blood. The father has type a and the mother has type b. What is the individual's phenotype an example of
Answer:
Codominance
Explanation:
Codominance is a type of inheritance pattern in which two alleles of a gene both express themselves in a heterozygous state. Codominance occurs when neither of the two alleles involved are recessive instead both dominate simultaneously.
As described in this question, the father of an individual has type A blood and the mother has type B. However, the individual has type AB blood. This is because alleles for blood types A and B both phenotypically express themselves in the individual. Hence, blood type A and B are said to be codominant and the AB phenotype is showing an example of CODOMINANCE.
Which of the following limit cell size? Select all of the answers that apply.
Karyotyping Karyotyping reveals the presence of cancerous genes. examines points of crossing over. can reveal alterations in chromosome number. shows chromosomes as they appear in metaphase of meiosis II.
Answer:
The correct answer is - can reveal alterations in chromosome number.
Explanation:
The karyotype is the process in which images of the chromosomes of an individual are used. These images used for confirmation of the chromosome complement of the individual that include the number of chromosomes and look for abnormal numbers or structures of chromosomes.
Karyotypes are made by standardized staining procedures that give the image of the number and structure of the chromosomes of an individual. It gives an idea of size, shape, number, or any type of alteration in the chromosomes.
Examine the words and/or phrases below and determine the relationship
among the majority of words/phrases.
Choose the option that does not fit the pattern.
fire
overgrazing of lands
ground cover alteration
drought
If 65,000 kcal are
available in the
producers trophic
level, how much
energy is available
to the secondary
consumers?
Answer:
13000 would be avalable because 10% is taken every time it is eaten so 65,000 with 10% taken out twice (20% of 65,000) is only 13,000 kcal available to the secondary consumers.
The pH of 1 to 6 is basic
true or false
Answer:
False
Explanation:
Answer:
False
Explanation:
PH is acidic between 0 and 7, and basic when it is over 7.
7 is neutral.
Choose the BEST EVIDENCE to support the CLAIM: Crater lake was formed when a volcanic cone collapsed and filled with water.
Option A-Sometimes the top of a volcano is blown off or collapses during an eruption, leaving a depression called caldera which filled with rainwater.
Which are characteristics of carbon? Check all that apply.
Explanation:
Terms in this set (5)
carbon is abundant, common.
forms strong covalent bonds.
has four valence electrons.
variety of shapes.
bonds with multiple elements
Answer:
- Covalent bonding
- Generally in non-electrolytes
- Low melting point
- Forms a variety of compounds
Explanation:
Edge 2021
One of the pieces of evidence for evolution that Charles Darwin collected on his travels aboard the HMS Beagle was the observation of fossils of extinct animals and similar, but noticeably different species. Giant ground sloth fossils were very similar in shape to the bones of sloths that inhabited the regions of South America he was exploring. The main difference was the size, as the ground sloth fossils were significantly larger that the bones of the sloths he captured alive. What was a conclusion that Darwin was able to arrive to based on this piece of evidence
Answer: Darwin was able to arrive at a conclusion that there was no relationship between the fossils of the ground sloth and the bones of the captured sloths that currently reside in South America.
Explanation:
Evolution is defined as the sum total of adaptive changes that have taken place over a very long period of time. It leads to the development of new species from earlier ones. Evolution is an extremely slow process. It is difficult to obtain direct evidence of evolution in action. However, scientist such as Darwin, have gathered a great deal of indirect evidence that supports the theory of evolution. These evidence comes from many sources including:
--> fossils records
--> biochemical similarities
--> molecular records
--> Comparative anatomy and
--> embryology.
FOSSILS RECORDS shows the existence of species that are now in extinct which lived on Earth during different periods of the planet's history. They provide evidence that organisms from the past are not the same as those found today due to adaptive changes that has occurred over a long period of time on the organism in order to survive in its environment.
There was no relationship between the sloths because of the difference in BONE MASS.
What is at the center of a red blood cell?
Plasma
Iron
Copper
Carbon
dioxide
Answer: Iron
Explanation:
hemoglobin: The iron-containing substance in RBCs that transports oxygen from the lungs to the rest of the body. It consists of a protein (globulin) and haem (a porphyrin ring with an atom of iron at its center).
Hope This Helps! :P
Answer:
Iron!
Explanation:
There is haemoglobin, an iron complex in the middle of a red blood cell, which helps the red blood cell carry oxygen around the body!
Hope that helps!
For the following nitrogen base sequence, write the complimentary sequence on the line provided.
A – T – C – C – T – A – G – A – A
_________________________
Answer:
TAGGATCTT
Explanation:
a - t
c - g
In humans, colorblindness is a recessive, sex-linked trait. What is the probability
that the children of a woman heterozygous for colorblindness and a man with
normal color vision will be colorblind?
Explanation:
Taking Xx as heterozygous and XX for normal
Woman =Xx Man =XX
all possible outcomes are XX, XX, XX and Xx
there is 0 probability of having a colorblind child
(But there is a 25 % chance that the child may be a carrier like its mother)
Translation is the process of:
a. mRNA being decoded into proteins
b. DNA being copied into mRNA
c. DNA being duplicated
d. mRNA is being copied into DNA
Answer:
A
Explanation:
Because Translation refers to the process of creating proteins from an mRNA template.
Which option describes the question Dave should consider in the following scenario?
Dave's mare has just given birth to a healthy colt, but he is surprised that the colt was born tan when the mother is
black
What color are the colt's eyes?
What nutritional supplements were given?
What other maternal traits were inherited?
What color is the colt's father?
The color of the colt's coat is determined by the genes it inherited from its parents is “What color is the colt's father?”, option D is correct.
Coat color in horses is a complex trait that involves several genes. The most well-known coat colors are black, bay, and chestnut. However, there are many variations and combinations of these colors, such as the tan color observed in this colt.
The color of the eyes is not related to the coat color and is determined by a different set of genes. Nutritional supplements may play a role in the overall health and development of the colt, but they are not likely to affect its coat color. Maternal traits, such as temperament and size, are also inherited, but they are not related to the coat color either, option D is correct.
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The complete question is:
Dave's mare has just given birth to a healthy colt, but he is surprised that the colt was born tan when the mother is black.
(choose your options)
A) What color are the colt's eyes?
B) What nutritional supplements were given?
C) What other maternal traits were inherited?
D) What color is the colt's father?
How can I make my period cramps go away? I dont like tea but i heard soda helps ??! or if anyone has any suggestions
Have you ever had to estimate something for which there wasn't an exact answer? What was it? What tools did you use to
make your estimation? Discuss.
Answer: Yes, estimation of a population of plant species in a given area. The tool I used was a QUADRAT.
Explanation:
Plants in a small area are easy to count and their distribution is recorded on a map or scale diagram for the area. For larger areas, quadrats are used to obtain a fairly accurate estimate of the number and types of plants in those large areas.
The ESTIMATION of the population of plants can be done using a method called the quadrat sampling method. Here, a QUADRAT which is a rectangular or square frame(tool) made from thick wire, is thrown at random several times. On each landing, the area covered by if is observed. The type of species and their number within the quadrat are recorded. The average number of times each species appears is calculated and the most frequent or dominant species is then determined.
Some quadrats are specially made to mark off an area for the study of seasonal variations of plants. They are sturdier, larger and permanent and can thus serve their purpose through the seasons. These quadrats often have a mapping grid attached so that the flora within it can be mapped at regular intervals.
How does air pollution affect water pollution?
Facilitated diffusion requires
A. a protein pump, energy, and a concentration gradient.
B. no energy, net osmotic movement, and a protein pump.
C. a concentration gradient, a protein channel, and no energy.
Answer:
A.Explanation:
TutorialDiffusionDiffusion means that the net movement of particles (molecules) is from an area of high concentration to low concentration.Graph of the simple and facilitated diffusion taking into account the rate of uptake and the concentrationIf the particles can move through the lipid bilayer by simple diffusion, then there is no limit to the number that can fit through the membrane. The rate of diffusion increases linearly as we add more particles to one side of the membrane.If the particles can only pass through protein channels, then the rate of diffusion is determined by the number of channels as well as the number of particles.Once the channels operate at their maximal rate, a further increase in particle numbers no longer increases the apparent rate of diffusion. At this limited rate we describe the protein channel as being saturated.The cartoon illustrates several points about facilitated diffusion. The particles are more concentrated on one side of the membrane, and yet they can move in both directions. However, the net movement is from high particle concentration to low. If the number of particles gets so high on one side of the membrane that they interfere with diffusion through the protein channel, then we observe a limit to the rate of diffusion at the point of saturation.Illustration of facilitated diffusionanimation used with permission of the Virtual Cell Web PageProblem 7 | Answer | Problem 8The Biology Project > Cell Biology > Cell Membranes > Problem SetThe Biology ProjectDepartment of Biochemistry and Molecular BiophysicsUniversity of ArizonaMay 2002Revised: August 2004Contact the Development TeamSimple diffusion does not require energy: facilitated diffusion requires a source of ATP. Simple diffusion can only move material in the direction of a concentration gradient; facilitated diffusion moves materials with and against a concertion gradient.
Answer:
C. a concentration gradient, a protein channel, and no energy.
Explanation:
Facilitated diffusion requires a concentration gradient, a protein channel, and no energy.
Can someone help I’ve been stuck at this question for the past 10 minutes
A _____ extinction occurs when many species go extinct in a relatively short period of time
Answer:
I think it's
A mass extinction occurs when many species go extinct in a relatively short period of time.
Explanation:
Mass extinction is usually defined as a loss of about three-quarters of all species in existence across the entire Earth over a “short” geological period of time. Hence, I think the answer is correct.
Answer:
The correct answer is Mass
According to the site, what are the views and approaches for psychodynamic therapy and humanistic therapy?
Answer:
In psychodynamic therapy, therapists help people review emotions, thoughts, early-life experiences, and beliefs to gain insight into their lives and their present-day problems and to evaluate the patterns they have developed over time. Recognizing recurring patterns helps people see the ways in which they avoid distress or develop defense mechanisms as a method of coping so that they can take steps to change those patterns.
Explanation:
Answer: In psychodynamic therapy, therapists work with patients to examine their feelings, thoughts, early experiences, and beliefs in order to acquire understanding of their lives, their current issues, and the patterns that have grown over time. People can take action to change repeating behaviors by being aware of how they avoid distress or establish defense mechanisms by recognizing these tendencies.
Explanation: cuz
What is the magic number in terms of the average amount of times are cells can divide?
Unused energy in food is stored as what in our bodies?
A- Carbohydrates
B- Muscle
C- Fat
Answer:
Fat also known as glycogen
If the half-life of a radioactive substance is 500 million years and you have
192 atoms of it, how many half-lives will have passed by the time that only 3
atoms of the substance remain?
A. 4
B. 5
C. 6
D. 2.
The number of half-lives that has elapsed when 3 atoms of the radioactive substance remains is 6 (Option C)
Data obtained from the questionHalf-life (t½) = 500 million yearsOriginal amount (N₀) = 192 atomsAmount remaining (N) = 3 atoms Number of half-lives (n) =?How to determine the number of half-lives2ⁿ = N₀ / N
2ⁿ = 192 / 3
2ⁿ = 64
2ⁿ = 2⁶
n = 6
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Explain why an observer in New York State sees some different constellations in the night sky when Earth is at location A compared to when Earth is at location C.
Answer:
The Earth is Rotating to another location and shownig different groups of Stars
Explanation:
An observer in New York State sees some different constellations in the night sky when Earth is at location A compared to when Earth is at location C because of the continuous rotation of the earth on its axis.
What do you mean by Constellation?A constellation may be defined as a collection of stars that significantly form a recognizable and identifiable pattern in the sky mostly in the nighttime. These collections of stars are traditionally named after their apparent form or identified with a mythological figure.
According to the context of this question, when an observer in New York State sees some different constellations in the night sky when the earth is at location A, but the visualization by an observer may change when the earth is located at location C, this is because of the gradual and continuous rotation of the earth on its axis.
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