Which of the following best describes mutualism?

a. Intestinal bacteria obtain nutrients from the gut and produce vitamin K used by humans.

b. Bacteria in improperly prepared food is consumed by humans, causing food poisoning.

c. Invasive bacteria at an area of injury produce toxins that damage healthy tissues of the human body.

d. Bacteria become resistant to antibacterial medication that humans use for treatment.

Answers

Answer 1

Answer:

b or c

Explanation:


Related Questions

Atomic energy is produced from changes within the_____
of an atom.
1. Protons
2. Neutrons
3. Orbitals
4. Nucleus

Answers

Answer:

I believe it is the Nucleus

Explanation:

PLS ANSWER WILL GIVE BRAINLIEST

Answers

A. Both species benefit.

Explanation: they both help each other out

please help y'all 15 pts!

Answers

Answer:

C

Explanation:

Because you see a fish and some leaves, you can conclude that the ocean went away and the trees grew.

15.
An object with a mass of 20.0 kg has a force of 5.0 newtons applied to it.
What is the resulting acceleration of the object?

Answers

Answer:

0.25m/s2

Explanation:

Force = mass x acceleration

5 = 20 x a

a = 5 ÷ 20

= 0.25m/s2

The MAIN difference between terrestrial planets and gas giants is

Answers

Answer: i agree the answer is C

Which physical structures are present in amphibians, but not in reptiles, when they first hatch?

scales and fins
scales and lungs
gills and fins
thin skin and lungs

Answers

The answer is gills and fins

Answer:

gills and fins

Explanation:

help
i can have fun with my friends ​

Answers

Hiiii!

I'm so glad you choose brainly to ask your question at! Unfortunately, you did not include enough information for other users to answer it. Re-submit your question and make sure to include enough details so that others may answer it.

`Mack`

PLEASE HELP, will mark brainlest, to who answers with the correct answer
What is some BIOLOGICAL EVENTS.

Answers

Answer:

A bioevent or bio-event (a shortening of 'biotic event' or 'biological event') is an event recognised in a sequence of sedimentary rocks, where there is a significant change in the biota as recorded by assemblages of fossils over a relatively short period of time.

Explanation:

1.According to Greek legend the war between the Greeks and the people of Troy was a long and bloody one.  And at the center was Helen, the most beautiful woman in all of Greece. And Paris, the Trojan prince who loved her.  PLZ HELP ME THIS IS A GRADE!!  

What is the difference between apparent magnitude and absolute
brightness?

Answers

Answer:

Astronomers define star brightness in terms of apparent magnitude. - how bright the star appears from Earth - and absolute magnitude - how a bright the star appears at a standard distance of 32.6 light-years or 10 parsecs.

Explanation:

I majored in Biology

How many moles are in 100 grams of oxygen?

Answers

Answer:

2000 because it is the answer and its right

Answer:

15.9994  if you are converting between grams Oxygen and Mole.

Explanation:

Multipotent cells can only give rise to closely related cells.

True or
False

Answers

Answer: false

Explanation:

A student combined baking soda and vinegar. Is this an example of a chemical reaction? Use evidence and scientific reasoning to support your claim.

Answers

Answer:

It is not a chemical reaction, because you can still separate it, meaning it is a physical change. Also it did not make a new substance, burn, or rot also making a physical change.

Explanation:

Sorry if wrong

True or False: A karyotype is a map or
picture of all your chromosomes.

Answers

Answer:

true i believe

Explanation:

What causes the light to refract as it
passes from air to water?

Answers

Answer:

Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). This change of direction is caused by a change in speed. When light travels from air into water, it slows down, causing it to change direction slightly. This change of direction is called refraction

Hope this helps.

Choose the correct description on the realtionship between allels and genes.

Answers

Answer:

B

Explanation:

Sorry if it's wrong in the end, but it should be right

5. Balanced forces cause a change in the motion of plate tectonics. True O False​

Answers

Answer:

False, they do not cause a change

Explanation:

Balanced forces will cause no change in the speed of an object. Balanced forces acting on an object in opposite directions and equal in strength, as shown in the arrows below, do not cause a change in the speed of a moving object. Objects that are not moving will not start moving if acted on by balanced forces.

in your own words, describe inertia as if you were trying to teach a sixth grader

Answers

Answer:

Inertia is an object not wanted to change motion or velocity.

Explanation:

lol its short

Which biomolecules do not function in supporting a cell?
A Lipids
C Amino acids
B Nucleic acids
D Carbohydrates

Answers

I think the Amino acids

help quick pleaseeeeeeeee
Which statement best describes the result of meiosis?

A.
It produces body cells.

B.
It causes alleles to deform.

C.
It prevents genetic mutation.

D.
It produces reproductive cells.

Answers

Answer:

It's D

Explanation:

The answer is D) it produces reproductive cells :)

Photosynthesis uses all of the following except
to make food.
carbon dioxide
O light energy
O chemical energy
water


is it’s A?

Answers

Answer:

No I think its C

Explanation:

Photosynthesis is a process that takes place due to water, sunlight, carbon dioxide and creates oxygen.

All the green plants carry out the process of photosynthesis in the presence of sunlight, the carbon dioxide, and water.  

Thereby releasing oxygen and energy. The first organism that evolved to make photosynthesis was the blue-green algae and later on, cyanobacteria evolved which lead to the origin of oxygen on the earth.Thus the photosynthesis is a process that results when all three are processes by the plants.  

Giving out the chemical energy in the form of sugar and air to breathe. Hence the correct option is C.

Learn more about the Photosynthesis uses all of the following except.

brainly.com/question/21413948.

Help me asap Question 26 of 30
A leech is a multicellular organism with a segmented body. It does not have
jaws or limbs. Which of the following organisms is a leech most likely to be
closely related to?
Amoeba Sponge
Earthworm
Salmon
Lizard
Kangaroo
Cat
Placental
Hair
Umbs
Jaws
Segmented Body
Multicellular
Unicellular
Common Ancestor
A. Earthworm
B. Amoeba
C. Sponge
D. Salmon

Answers

Answer:

I'm thinking an earthworm.

A leech is most likely to be closely related to Earthworms, as they both have segmented bodies and are multicellular organisms. The option is A.

What is leech?

A leech is a multicellular organism with a segmented body and does not have jaws or limbs. The terms to consider in this question are: - Multicellular - Segmented Body - Common Ancestor Based on these characteristics, the leech is most closely related to: Earthworm.

Both leeches and earthworms are multicellular organisms with segmented bodies and share a common ancestor. They belong to the phylum Annelida, which consists of segmented worms.

The other options listed (Amoeba, Sponge, Salmon, Lizard, Kangaroo, Cat, Placental, Hair, Jaws, Unicellular, Common Ancestor) do not share these characteristics with leeches.

Therefore, the correct option is A.

Learn more about Leech here:

https://brainly.com/question/16729722

#SPJ7

1
The number of germs on your hands is comparable to the
number of:

Answers

Answer: Grains of sand on a beach

Explanation: Good luck! :D

how the body's white blood cells respond to infections.

Answers

If a pathogen enters your body, white blood cells of your immune system quickly recognise its foreign antigens. This stimulates specific lymphocytes to grow, multiply and finally produce antibodies that will stick to the antigens on the invading pathogens and destroy them.

If a person is breathing normally, which of the following could prevent him from using his body to exercise normally?

not eating enough food, because cells need molecules from both food and air to work
nothing, because he would be able to exercise normally as long as his cells are getting molecules from the air
not getting enough sleep, because the body only makes energy for exercise while asleep
not getting enough sunlight, because cells need sunlight to function

Answers

Answer:

Not eating enough food, because cells need molecules from both food and air to work.

does cigarette smokingincrease the risk of lung cancer

Answers

Answer:

Cigarette smoking is the number one risk factor for lung cancer. In the United States, cigarette smoking is linked to about 80% to 90% of lung cancer deaths.

Explanation:

Ferns and moss plants grow from_________?

Answers

Answer:

mosses and ferns plants are two types of primitive plants both plants are non flowering plants

Explanation:

therefore both of them are seedless plant as well both moss and ferns under grow Alternatives of generations

Explain how vaccination protects a child against a viral disease.

Answers

Answer:

Explanation:

It doesn’t is actually makes u sick sometimes but if u agree then vaccinations mean when only a bit of the pathogen is ingested into to u for ur body to become immune and so if u get the disease yours body has already made antibodies which contain a special format in which they break down the pathogen faster.and the pathogen will be broken down quickly as the process is faster when your body already contains the code against it.

Write a paragraph explaining how energy flows through an ecosystem.




Be sure to use the following terms:


Energy Pyramid Sun


Trophic Level Producer,


Primary Consumer Decomposer


Secondary Consumer Tertiary Consumer.

Answers

Answer:

The living organisms of an ecosystem are related through food chains, which gives rise to trophic levels in an ecosystem. There is a flow of energy from one trophic level to the other in a food chain. Producers bring energy from the sun into the community. Primary consumers eat the producers, which makes them herbivores in most communities. Secondary consumers eat the primary consumers, which makes them carnivores. Tertiary consumers eat the secondary consumers. A final link in the food chain are decomposers, which break down the organic matter of the tertiary consumers (or whichever consumer is at the top of the chain) and release nutrients into the soil. Thus, there is flow of energy from Sun ------> Producer ------> Herbivore -------> Carnivore ------> Decomposers.

How energy flows through an ecosystem is summarized below.

Energy flows through an ecosystem in the following order:

Sun ----> Producer ---> Primary consumer ---> Secondary consumer ---> Tertiary consumer ---> Decomposer.

Some of the energy from the sun is fixed by the producer through a process known as photosynthesis. The producers are usually green plants and photosynthetic bacteria.Primary consumers feed directly on the producers.Secondary consumers feed on the primary consumers.Tertiary consumers feed on the secondary consumers.The decomposers feed on the remains of the tertiary consumers.

As the energy flows from producer to the different consumers, and to the decomposer, only about 10% of the energy available in each trophic level move to the next with the rest being lost to heat.

Hence, an energy pyramid is created as we move from the lower trophic level to higher trophic levels.

More on energy flow in an ecosystem can be found here: https://brainly.com/question/4467320

The plant cell's central vacuole Group of answer choices occupies a large area of the cell All choices are correct is a reservoir for water. Stores nutrients and cellular waste products.

Answers

Answer:

Stores nutrients and cellular waste products.

Explanation:

Vacuole is a space that is line with membrane and within the cell that lacks cytoplasm but filled with fluid.

They are important cytoplasmic organelles and perform certain functions such as storage, ingestion, digestion, excretion, and expulsion of excess water.

In plant, large central vacuoles enable them to attain a large size without accumulating the bulk that would make metabolism difficult.

The purpose of transcription and translation is to
a. copy DNA to prepare the cell for mitosis
b. make the proteins coded for in the DNA
c. create antibodies to protect the cell from pathogens
d. keep the cell busy

Answers

Answer:

make the proteins coded for in the DNA

Answer:

b. make the proteins coded for in the DNA

Explanation:

Transcription and translation take the information in DNA and use it to produce proteins.

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