What do the arrows represent in a food web? Which ones are right
A.flow of oxygen
B.predator-prey
C.who eats who
D.flow of energy

Answers

Answer 1

Answer:

D.

Explanation:

When an arrow points from a seal to a shark it means the shark is recieving energy from that seal. (By eating it.)


Related Questions

Which of these is the claims

Answers

I’m not sure but I think it’s A or C

An old tree near Zion National Park reached the end of its life and fell over. Create a path of a carbon atom as it moves through the carbon cycle. You must start from the dead tree and continue all the way until it ends by being breathed out of a coyote.

Answers

I think it is the ............:

Answer:

There's a reason Zion National Park is the most visited park in Utah, and it's ... But when you make it up (clinging for dear life to the chain handrail), ... If you prefer to keep your feet dry, turn around, and enjoy it all again on the way back. ... This hike starts at the Wildcat Trailhead on Kolob Reservoir Road 15 ...

Explanation:

Normally, the clown fish readily swims among the tentacles of the sea anemones; the parrot fish avoids them. One hypothesis for the clown fish's apparent immunity is that they slowly build a tolerance to the sea anemone's toxin. A second hypothesis is that a chemical in the mucus that coats the clown fish prevents the nematocysts from being triggered.

Required:
Draw the graphs that supports the first, but not the second, of these hypotheses.

Answers

Answer:

The correct answer is - parrot fish - high, Clown fish - high.

Explanation:

According to the first hypothesis, the clown fish developed the immunity to the sea anemone's toxin so there would be a higher number of clown fish that swims among the tentacles of the sea anemones. The parrot fish avoids them also leads to a higher number of these fishes.

The correct graph that supports the first hypothesis that says that the clown fish's developed immunity build by them slowly, a tolerance to the sea anemone's toxin from tentacles of sea anemones.

What happens to a rock when it is exposed to water for long periods of time?
1)the rock becomes more angular
2)the rock changes composition
3)the rock becomes round and smooth

Answers

HINT: The rock will erode

Please help!
State in which substrate molecules do not find any free active site is called
a. insaturation
b. saturation
c. maturation
d. denaturation

Answers

Saturation I think not 100% sure sorry

Substrate molecules binds to enzymes active site that matches its own and forms a complex called the enzyme-substrate complex yielding products that eventually detaches from the enzymes.

The state in which substrate molecules do not find any free active site is called saturation (option b).

Saturation with regards to the enzyme-substrate complex occurs there is no free enzyme to bind to as the substrate concentration increases. So saturation of the enzymes then occur when are these active sites are in action/occupied.

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4. Explain in your own words the order in which the creature's traits may have evolved, starting from the first likely trait. (Hint: Which trait is most common across the creatures?)

Answers

Answer:

The trait in my words for bears they are aware, defensive, interacting in their surroundings. And now they are protective of their cubs, loving and gentle with family and known animals, awareness.

Explanation:

Total Lung Capacity(TLC) is the minimum value of air the lungs can
accommodate
True

False

Answers

Answer:

False

Explanation:

Total Lung Capacity(TLC) is the maximum volume of air the lungs can accommodate or sum of all volume compartments or volume of air in lungs after maximum inspiration.

False since capacity means the maximum not the minimum

Plants and insects store their sugar in the form of

Answers

Plants and insects store their sugar in form of starch.

In cattle, black coat color is dominant to white coat color. A farmer has a black male of undetermined genotype. How can the farmer determine the genotype of the black male?

Answers

Answer:

by looking at the offspring's phenotype

By observing phenotype of a cattle, the farmer can determine its genotype.

What do you mean by phenotype?Phenotype is an observable characteristics.Example: hair color, eye color, etc.It depends upon the genotype composition.What do you mean by genotype?"Genotype refers to the genetic makeup of an organism."

It is given that black coat color is dominant and dominant allele for black color is denoted by B and recessive one is denoted by b.

So, in order to have black color the possible genotype would be Bb or BB.

If the offspring of the cattle have black color too, the genotype will be BB.

And if the offspring of the cattle have both black color as well as non-black color, the genotype will be Bb.

Hence, the farmer can determine the genotype of the black male by its phenotype.

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CAN SOMEONE help me with this ( NO LINKS)

When part of the mushroom is damaged by an insect larvae bite, it will release a chemical that is poisonous. The chemical prevents the larvae from maturing into an adult. Some individual mushrooms of this species produce stronger chemicals that are more effective.

Which of the following best describes the type of mushroom that is more likely to survive and reproduce?
A.
Mushrooms that have the trait of attracting more insect larvae are able to spread their offspring further.
B.
Mushrooms that have the trait of producing stronger poisonous chemical have less energy for growth.
C.
Mushrooms that have the trait of producing stronger poisonous chemicals are better able to deter predators.
D.
Mushrooms that have the trait of attracting more insect larvae can get more food and nutrients.

Answers

Answer:

The answer is C

Explanation:

The correct answer is that mushrooms that have the trait of producing stronger poisonous chemicals are better able to deter predators and are more likely to survive and reproduce, which is Option c.

What is a mushroom?

The ability of a mushroom to produce a poisonous chemical when damaged by an insect larva bite is a type of chemical defense mechanism that many organisms use to deter predators. This chemical defense mechanism helps the mushroom protect itself from further damage by deterring the insect larva from feeding on it or from maturing into an adult. Individual mushrooms of this species that produce stronger chemicals that are more effective will be better able to deter predators and are therefore more likely to survive and reproduce.

Hence, the correct answer is that mushrooms that have the trait of producing stronger poisonous chemicals are better able to deter predators and are more likely to survive and reproduce, which is Option c.

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Cells with limited potential to develop into any type of cells are called

Answers

Stem cells
Stem cells

How is photochemical smog formed?
emissions from factories are released into the air and react with other subs.
emissions from cars are released into the air and react with other subs.
when nitrous oxides react with water vapor
when carbon monoxide reacts with sulfur dioxide in the air

Answers

Answer:

oops 1234467890101112314

A person who has a weakened immune system may not be able to fight against infection because
pathogens may enter the body and cause illness.
phagocytes may enter the body and cause illness.
normal cells crowd out unhealthy cells.
antibodies production is increased.

Answers

Answer:

a.

Explanation:

pathogens may enter the body and cause illness.

Immune system is the one that helps to keep away the invading organisms in the body causing disease. A person who has a weakened immune system will not be able to overcome against infection because pathogens may enter the body and cause illness, i.e., option A.

What are pathogens?

Pathogens are the organisms or specifically disease-causing organisms that enter the body and alter the functioning of the immune system.

These pathogens can be bacteria, viruses, etc. that can enter through food, water, air, etc.

A weakened immune system can not be able to fight with these invading pathogens and hence leads to diseases.

Thus, the correct answer is A.

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After reading the paragraph for Practice 5, what are the possible risks and drawbacks of this use of genetic engineering?

Answers

Answer:

Genetic contamination,  competition with natural species, creating potential for problematic pathogens,  unwanted side effects and  unfavorable level of diversity.

Explanation:

The possible risks and drawbacks of the use of genetic engineering are genetic contamination,  competition with natural species, creating potential for problematic pathogens,  unwanted side effects and  unfavorable level of diversity. These drawbacks puts pressure on the native species and due to competition with natural species, removal of natural species occurs. There are many side effects of genetic engineering species on the health and ecosystem.

Which two body systems would defend a person from a fire?

A) integumentary and nervous

B) muscular and endocrine

C) immune and integumentary

D) nervous and cardiovascular

Answers

c- immune and integumentary

Two radioactive nuclei A and B are present in equal numbers to begin with. Three days later, there are 2.44 times as many A nuclei as there are B nuclei. The half-life of species B is 1.14 days. Find the half-life of species A (in days).

Answers

Answer:

2.23 days

Explanation:

Given that;

N=Noe^-kt

Where;

N= number of radioactive nuclei present at time =t

No= number of radioactive nuclei originally present

k = decay constant

t = time taken

But k = ln2/T

Where T is the half life of the radioactive nuclei

Hence;

NA= Noe^-ln2t/TA     (1)

NB= Noe^-ln2t/TB      (2)

But NA =2.44NB

2.44NB = Noe^-ln2t/TA     (3)

NB= Noe^-ln2t/TB      (4)

Divide  (3) by  (4)

2.44NB/NB = Noe^-ln2t/TA/Noe^-ln2t/TB

2.44 = e^-ln2t/TA + ln2t/TB

Taking natural logarithm of both sides

ln2.44 = -ln2t/TA + ln2t/TB

Given that TB = 1.14 days

TA= -ln2t(ln2.44 -ln2t/TB )^-1

TA= -(2.079) (0.892 - 2.079/1.14)^-1

TA = 2.23 days

Help me please!!!!!!!

Answers

Answer:

Decay adds carbon to the atmosphere.

what do you think life is like on other planets ? 3-5 sentences

Answers

Answer:

Both plants and animals require water for survival. Planet Earth is very special because it contains so much water in liquid form. We have yet to find a planet with the same amount of liquid water as on earth but there are many new “exoplanets” being discovered orbiting other stars that offer this possibility

Explanation:

and aliens

Help me out thank youuu sooo muchhh

Answers

Answer:

I am pretty sure it's b

ps. you're welcome

Interconnected food chains are also known as​

Answers

Answer:

I think it is food web............

A food web which shows the energy flow through part of an ecosystem.

Fill in the blank.
1. Tall pea plants are dominant, while short plants are recessive. In a cross between a purebred
tall plant and a purebred short plant, the offspring will all be plants.
2. Tall pea plants are dominant, while short plants are recessive. In a cross between two plants
heterozygous for height, the offspring will be both tall and short in a
ratio.

Answers

Answer:

1. The offspring will be all tall pea plants

2. 3:1 is the ratio for tall and short

Answer:

1. tall (or heterozygous)

2. 3:1

Explanation:

When pure black hamsters were mated with pure white hamsters, all of the offspring were black. The trait for white coloration would best be described as???

PLZ HELP
I DONT HAVE A LOt OF TIME

Answers

Answer:

A. Recessive

Explanation:

have a good day!!

How did Siberian ancestors arrive in America?

Answers

Answer:

The prevailing theory proposes that people migrated from Eurasia across Beringia, a land bridge that connected Siberia to present-day Alaska during the Last Glacial Period, and then spread southward throughout the Americas over subsequent generations.

Explanation:

hope this helps

Answer:

Explanation:The Beringia land bridge, which had developed between northeastern Siberia and western Alaska due to the lowering of sea level during the Last Glacial Maximum, is generally recognized as the point at which Paleolithic hunter-gatherers reached North America from the North Asian Mammoth steppe.

Use the gel electrophoresis results below to determine which person (if any) is the father of the child.
Mother
Child
'Dad'1
"Dad 2
Dad 3
Dad 1
Dad 2
Dad 3
None of the men are the father

Answers

I think none of the men are the father, they don’t match the child’s results.

The gel electrophoresis shows the result of the child's DNA, the mother's DNA, and the three paternal DNAs, and out of them, one is the father. As the child's DNA matches that of the mother and dad 3,

What is the paternity test?

   

The paternity test is done to test the real father of the child by comparing the child's DNA with the parents' DNA. It gives the result based on the DNA analysis, and here the test is shown in the gel electrophoresis. Gel electrophoresis shows the DNA segments of the child, mother, and three men, but the child DNA segments match the DNA segment of the dad 3. The child's DNA segments match with the mother, and the rest match with Dad 3, confirming that Dad 3 is the child's biological father.

Hence, out of them, one is the father, and the child's DNA matches that of the mother and Dad 3.

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this is science, please put a short desrciption for each of the sun's layers. ​

Answers

Answer: The core is the only place where nuclear fusion reactions can happen. In this broad zone, heat from the core cools dramatically, from between seven million K to two million K. Convection continues to be efficient in transporting heat until layers are reached where the density is so low that radiation from the hot up-flowing gas can escape directly into space. The lowest layer of the sun's atmosphere is the photosphere. It is about 300 miles (500 kilometers) thick. This layer is where the sun's energy is released as light. At other times, light from the chromosphere is usually too weak to be seen against the brighter photosphere. The chromosphere may play a role in conducting heat from the interior of the sun to its outermost layer, the corona. The corona is the outer atmosphere of the Sun. It extends many thousands of kilometers (miles) above the visible "surface" of the Sun, gradually transforming into the solar wind that flows outward through our solar system.

Explanation: i dont think an explanation is needed

What’s the code? Answer key for this question was cdab if that helps.

Answers

Answer:

Try doing the code 5934 :)

Bases in DNA are held together by which bond?

Answers

Answer:

The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.

Explanation: hydrogen bonds


Which of the following steps should be taken to
treat a patient suspected of going into shock?
Check all that apply.

Cover the patient with a blanket.

Provide food and water to the patient.

Have the patient get up and walk around.

Monitor heart rate and breathing every five
minutes

Answers

Answer:

The answer is the last one, "Monitor heart rate and breathing every five minutes".

Explanation:

Because it can determine when the patient will be going into shock.

The steps that should be taken to treat a patient suspected of going into shock are: Cover the patient with a blanket and monitor heart rate and breathing every five minutes.

Covering the patient with a blanket helps maintain their body temperature, as shock can lead to a drop in body temperature due to poor blood circulation and reduced oxygen supply to tissues. This simple measure can help prevent hypothermia and provide comfort to the patient during emergency care. Monitoring the patient's heart rate and breathing every five minutes is essential to assess their condition and detect any signs of deterioration.

Shock can lead to rapid and weak pulse, as well as shallow and irregular breathing. Regularly monitoring these vital signs allows medical professionals to identify early signs of worsening shock or other critical changes in the patient's condition. Prompt recognition of these changes can lead to timely intervention and improved outcomes for the patient.

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Which of the following statements is true? The spongy layer doesn't have any chlorophyll. The epidermis is the main location for photosynthesis. The cuticle slows down the loss of water in a leaf. Plants can make food without chlorophyll. PLEASE HELP ​

Answers

Answer: the cuticle slows down the rate of water loss.

Explanation: the spongy layer contains chlorophyll although few. Photosynthesis occurs in the chloroplast.

Plants need chlorophyll because it captures sunlight which helps in the splitting of water molecule during photosynthesis ,thus they need it to manufacture their food.

3 weeks late :')

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the dude above me is right <3

Which of the following describes a scientific theory, such as evolutionary theory? (Check all that apply).
A. When a scientific theory is proven, it becomes a scientific law.
B. It is an explanation for a wide variety of natural phenomena.
C. It is plausible explanation for many natural phenomena that has not yet been fully tested.
D. Scientific theories are the most certain knowledge that can be developed in science.
E. Numerous studies, which have all tested the theory but in different ways, have all converged on the same explanation.
F. There is ample evidence supporting the explanation.

Answers

Answer:

b

Explanation:

Evolutionary theory highlights the adaptive value of within-species variability. Optimal biological and behavioral strategies differ depending on the nature of the environmental context as well as the characteristics of the organism such as age, sex, health, or physical size.

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