Why do biologists use indicator species?
O A. to compare freshwater and ocean ecosystems
O B. to monitor water quality and biodiversity
C. to count the number of organisms present
D. to analyze the dominant species

Answers

Answer 1
The answer is b: to monitor water quality and biodiversity
Answer 2

Answer:b

Explanation: they are used to watch changes in da enviroment


Related Questions

Help please,, it’s the second part to my previous question

Answers

Answer:

Another factor can be photosynthesis.

Explanation:

During photosynthesis, plants would give off some oxygen as a waste product. The carbon dioxide would then move from the air into the leaves of the plants through tiny openings in the plant's leaves. Oxygen moves out of the plant's leaf through the same openings.

Another factor can be photosynthesis

Info: I ALMOST HAVE 200 QUESTIONS ANSWERED!


(_¿? Question: ¿?_)

Which of the following statements is true?


Options:


A. Gene flow evens out genetic differences between populations.


B. Genetic drift increases the genetic differences between populations.


C. Natural selection, mutation, and genetic drift are random events.


D. The bottleneck effect increases the genetic diversity of a population.

Answers

Answer:

Natural selection, mutation, and genetic drift are random events.

Explanation:

A mechanism of evolution in which the frequencies of alleles of a population change with generations because of sampling error is known as genetic drift. It takes place in all the populations of non-infinite size, however, its influences are strongest in small populations.  

Hope this helps :)

answer : C
hope this helps you out .

Summarize your findings in a brief essay. Your essay should include two parts Science class project weather forecasting

Answers

I can’t help, can you explain what we should include in the essay and what we have to answer.

Give me a name for a coyote and a rabbit it’s for a presentation for science.

Answers

Answer:

Kyle and roan

Explanation:

Hope this helps

scout & maxy !!!!!!!!!!

In a well-constructed paragraph, answer the question below.

What are two benefits of having a soft mostly hollow spongey part of our bones?

~Will give Brainliest if you give me a good paragraph and it's correct~

Answers

The advantages of Spongy bones is it's lighter than compact bone yet still strong and they follow the lines of stress which helps with support.

The genotype of persons with the sickle-cell trait, but often not exhibiting sickle-cell, is
1. HbA HbA
2. HbS HbS
3. HbA HbS

Answers

I’m pretty sure it the first one I’m not 100% but I really hope I could help out...GOOD LUCK;))
The answer is 3
Because the person has sickle cell trait but does not have the condition therefore, the genotype should be heterozygous which means the answer is 3

SOMEONE PLEASE ANSWER THESE!! 4 questions pleaseeee

Answers

Answer:

1. C

2. B

3. E

4. B

Explanation:

Please fill out this super hard chart

Answers

What is it about I need more info

The genotype of the person with normal red blood cells in all environmental conditions is
1. HbS HbS
2. HbA HbS
3. HbA HbA

Answers

Answer:

3. HbA HbA

Explanation:

Answer:

3. HbA HbA

Explanation:

PLEASE HELP IM CONFUSED!!!

Answers

Answer:

it's either A or D I believe. it's most likely D

Its D hope this help you have a good day

plz help <3 thx :) ( idek what to put anymore)

Answers

It is wind because all of the others can run out, wind may stop, but it will come back again

Which of the following gives the correct order of the Levels of Organization in the human body?

A. Cells > Tissues > Organs > Organ Systems > Organisms
B. Cells > Tissues > Humors > Organs > Organ Systems
C. Organisms> Organs > Organ Systems > Tissues > Cells
D. Cells > Organs > Tissues > Organ Systems > Organisms

Answers

the answer is c good luck
A) A is correct!

May I have crown please!

What are the different body parts of mollusks? Describe them each. Give examples of animals in this phylum.

Answers

Answer:

Shell, Mantle, Visceral Mass and Foot.

It includes organisms such as snails, octopuses, squid, clams, scallops, oysters, and chitons

Explanation:

I hope this helps :)

PLEASEE HELPPPP QUESTION BELOW

Answers

i believe the answer is 1. mars is colder than venus
I think number 1 is the answer

Which ocean zone is the closest to the ocean's surface?

A- benthic zone
B- disphotic zone
C- aphotic zone
D- photic zone

Answers

Answer:

B

Explanation:

Answer:

answer is c aphotic zone

Explanation:

I hope it will help you

Put the following in order to show the path that sound travels through the ear.

mechanical energy is changed to electrochemical energy

sound strikes the eardrum

impulse is sent to by the auditory nerve to the brain

vibrations travel through the malleus, incus, and stapes

sound waves get to oval window

outer ear funnels and focuses sound

hair cells in the organ of Corti detect the wave

Answers

Answer:

Explanation:To show the path that sound travels through the ear, the following steps can be arranged in order:

1. Outer ear funnels and focuses sound: Sound waves enter the ear through the outer ear, which includes the pinna and ear canal. The shape of the outer ear helps to gather and direct sound waves towards the middle ear.

2. Sound strikes the eardrum: Sound waves reach the eardrum, also known as the tympanic membrane, and cause it to vibrate. The eardrum separates the outer ear from the middle ear.

3. Vibrations travel through the malleus, incus, and stapes: The vibrating eardrum transfers its energy to three small bones in the middle ear called the ossicles. These bones, known as the malleus, incus, and stapes, amplify and transmit the vibrations to the inner ear.

4. Sound waves get to oval window: The stapes bone in the middle ear transmits the vibrations to the oval window, which is a flexible membrane located in the inner ear. The oval window acts as the entrance to the fluid-filled cochlea.

5. Hair cells in the organ of Corti detect the wave: Within the cochlea, the vibrations of the fluid cause the movement of specialized cells called hair cells in the organ of Corti. These hair cells convert the mechanical energy of the sound waves into electrochemical signals.

6. Mechanical energy is changed to electrochemical energy: As the hair cells in the organ of Corti are stimulated, they generate electrochemical signals in response to the sound vibrations. These signals represent the sound information and are sent to the auditory nerve.

7. Impulse is sent by the auditory nerve to the brain: The electrochemical signals from the hair cells are transmitted to the brain via the auditory nerve. The brain then processes and interprets these signals as sound, allowing us to perceive and understand the sound we heard.

By following these steps in order, we can understand the path that sound takes through the ear, from the outer ear to the inner ear and ultimately to the brain for perception.

which is the correct order of the food chain

Sun > Mouse > Grass > Owl
Sun > Grass > Owl > Mouse
Owl > Mouse > Grass > Sun
Sun > Grass > Mouse > Owl

Answers

Answer:

D. Sun > Grass > Mouse > Owl

Explanation:

During a chemical reaction, 25g of a solid is reacted with 15g of a liquid. The reaction bubbles and produces a lot of gas. After the reaction is over a scientist weighs the solution and finds that it has a mass of 35g. What is the mass of the gas that was produced?

A. 0g
B. 5g
C. 20g
D. 40g

Answers

Answer:

20

Explanation:

i think

I would say it’s option b. cuz it’s weird that 5g weren’t added

Hope this helped and have a nice day : )

Why did the mutation that resulted in a long-hair trait in these rabbits become more common in the population?

Answers

adaptation!! since the weather got colder, the rabbits with the longer fur survived longer than the rabbits with shorter fur

Mutation that resulted in a long-hair trait in these rabbits become more common in the population because the mutation is inherited and also adaptable to the environment.

What is mutation?

Mutation is a sudden change that occur due to changes in gene of an organism. This change can be heritable or transferred from one individual to another.

Mutation can have a rare occurrence and it can be adapted to a particular environment leading to it continuity.

Therefore, mutation that resulted in a long-hair trait in these rabbits become more common in the population because the mutation is inherited and also adaptable to the environment.

Learn more on mutation here,

https://brainly.com/question/17031191

What are the different worm phylums? Describe the differences between the three and give examples for each.

Answers

The three main worm phyla are flatworms, roundworms, and segmented worms. Roundworms have a digestive tube that has two openings. Segmented worms have a closed circulatory system in which blood is enclosed in blood vessels. These are important steps in the evolutionary development of animals.

What is the difference between an endoskeleton and a exoskeleton? What types of animals have each?

Answers

Answer:

an endoskeleton is a skeleton on the inside of a living creature. look at endo like enter, its on the inside! an exoskeleton is on the outside of a living creature. think of exo as exit, its on the outside! animals with endoskeletons are like dogs, cats, fish, and raccoons. animals with exoskeletons are like spiders, ants, crabs, and snails.

please give brainliest :)

Small vertebrates may reach full growth within: A one year B one month C several years D one week

Answers

Answer:

B, one month

Explanation:

It really depends on what kind of Small vertebrates are in question, frogs take about 12 weeks for birds it takes about a month.

Imagine that you could dive deep into the Atlantic Ocean where the South American Plate and African Plates meet at a plate boundary.

Make a prediction: What do you think you would see at the plate boundary? Would you see the mantle? Why or why not?

Answers

Answer:

No

Explanation:

It is a divergent boundary but you will not see the mantle because the water will soften the rock in the mantle.

Which is a bioindicator?
A. current
B. water
C. rock
D. insect

Answers

Answer:

D.) Insect

Explanation:

A bioindicator is a living organism that gives us an idea of the health of an ecosystem.

How are plants dependent upon the abioitc factors (3) of their habitat? (Identify the three abiotic factors and what they are needed for)

Answers

Answer:

Carbon dioxide, water, and sunligt

Explanation:

Carbon - The air plants breath to live.

Water - Gives them something to drink.

Sunlight - Helps them grow.

Carbon, water, and sunlight - To make their own food, which is glucose aka sugar.

Fcvbh air watere and asolie

When spiders die, does it affect their growth?

Answers

Answer:It is well known that age influences organism mobility. This was demonstrated in vertebrates (such as mammals and birds) but has been less studied in invertebrates with the exception of Drosophila and the nematode Caenorhabditis elegans. Here we studied the influence of age on the mobility of the orb-weaving spider Zygiella x-notata during web construction. The orb-web is a good model because it has a characteristic geometrical structure and video tracking can be used to easily follow the spider’s movements during web building. We investigated the influence of age (specifically chronological age, life span, and time till death) on different parameters of spider mobility during the construction of the capture spiral (distance traveled, duration of construction, spider velocity, spider movement, and spider inactivity) with a generalized linear model (GLM) procedure adjusted for the spider mass. The results showed that neither chronological age, nor life span affected the mobility parameters. However, when the time till death decreased, there was a decrease in the distance traveled, the duration of the construction of the capture spiral, and the spider movement. The spider velocity and the time of inactivity were not affected. These results could be correlated with a decrease in the length of the silky thread deposited for the construction of the capture spiral. Spiders with a shorter time till death built smaller web using less silk. Thus, our study suggests strongly that time till death affects spider mobility during web construction but not the chronological age and thus may be a good indicator of senescence.

Explanation:

Tell me a tertiary consumer that lives in streams or rivers. Tertiary consumer is an animal that eats other animals. this is how it will be:
producers --> primary consumers --> second consumers --> tertiary consumers.
This is a major grade, please help

Answers

Answer:

l don't know l just forgot

What types of waves are sound and light? Explain how they would be classified based on the direction of their particle movement and whether they can move through a vacuum. Use details to support your answer.

Answers

Answer:

Longitudinal versus Transverse Waves versus Surface Waves

One way to categorize waves is on the basis of the direction of movement of the individual particles of the medium relative to the direction that the waves travel. Categorizing waves on this basis leads to three notable categories: transverse waves, longitudinal waves, and surface waves.

A transverse wave is a wave in which particles of the medium move in a direction perpendicular to the direction that the wave moves. Suppose that a slinky is stretched out in a horizontal direction across the classroom and that a pulse is introduced into the slinky on the left end by vibrating the first coil up and down. Energy will begin to be transported through the slinky from left to right. As the energy is transported from left to right, the individual coils of the medium will be displaced upwards and downwards. In this case, the particles of the medium move perpendicular to the direction that the pulse moves. This type of wave is a transverse wave. Transverse waves are always characterized by particle motion being perpendicular to wave motion.

A longitudinal wave is a wave in which particles of the medium move in a direction parallel to the direction that the wave moves. Suppose that a slinky is stretched out in a horizontal direction across the classroom and that a pulse is introduced into the slinky on the left end by vibrating the first coil left and right. Energy will begin to be transported through the slinky from left to right. As the energy is transported from left to right, the individual coils of the medium will be displaced leftwards and rightwards. In this case, the particles of the medium move parallel to the direction that the pulse moves. This type of wave is a longitudinal wave. Longitudinal waves are always characterized by particle motion being parallel to wave motion.

A sound wave traveling through air is a classic example of a longitudinal wave. As a sound wave moves from the lips of a speaker to the ear of a listener, particles of air vibrate back and forth in the same direction and the opposite direction of energy transport. Each individual particle pushes on its neighboring particle so as to push it forward. The collision of particle #1 with its neighbor serves to restore particle #1 to its original position and displace particle #2 in a forward direction. This back and forth motion of particles in the direction of energy transport creates regions within the medium where the particles are pressed together and other regions where the particles are spread apart. Longitudinal waves can always be quickly identified by the presence of such regions. This process continues along the chain of particles until the sound wave reaches the ear of the listener. A detailed discussion of sound is presented in another unit of The Physics Classroom Tutorial.

Explanation:

HEYYYYY pls pls pls I WILL REPORT ANY LINKS!
Help

Answers

Answer:

d

e

c

Explanation:

Which of the following is the name for a hollow depression in which drainage collects?
A. canyon
B. cave
C. v-shaped valley
D. sinkhole

Answers

Answer:

D=sinkhole is the correct answer

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