BIOLOGY MIDDLE SCHOOL

Point source pollution comes from sources that are___. A. Dumped illegally
B. Directly identifiable
C. Basically unknown
D. Very small

Answers

Answer 1
Answer: C. Basically unknown
Answer 2
Answer: C. Basically unknown

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What does reproductive isolation within a species cause?A. A decrease in genetic driftB. A decrease in gene flowC. An increase in gene flowD. an increase in genetic drift
What are chemical reactions?
When scientists are doing research to determine how the environment affects a life form, it often takes many years to reach a conclusion. Why do you think that is the case?A. Many environmental factors must be considered (water, light, and temperature were just three that were investigated in this simulation). B. Many tests must be performed because variables need to be tested one at a time (first test for water effects, then test for light effects, etc.). C. Some effects take a long time to become noticed, so the experiments often have to take place over long periods of time. D. All of the above.

Which factor will increase a population's size?A.) High birthrate
B.) High death rate
C.) High emigration rate
D.) High predation rate

Answers

The factor that will increase a population's size is High birthrate. Therefore, option (A) is correct.

High birthrates can grow populations. Population expansion occurs when the birthrate surpasses the death rate. Birthrate is the number of births per population per time period.

High death rates reduce population size. A population shrinks when the mortality rate exceeds the birthrate. Emigrants leave the population to live elsewhere. This may reduce population size. Predator predation rate is high. Predation decreases prey species populations but does not directly increase them.

Learn more about birthrate, here:

brainly.com/question/26365827

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Answer:

a

Explanation:

b and d would kill pop

c has pop leaving

What is the function of flagella??

Answers

Answer:

Flagella is the threadlike organelle.

function of flagella help in the movement of the bacteria cells and the eukaryotes gametes and also protozoa.

Explanation:

  • The main function of flagella is to facilitate the cell in locomotion,it is composed of globular protein and flagellin.
  • It is present in bacteria, eukaryotes, and archaea help in the movement of the cells
  • It also helps some of the eukaryotes cells to increase the reproduction rate.
  • Flagella detect the change occur in the environment such as pH and temperature as it also function as a sensory organelles.
A flagella help the cell to move around. Like if we were cells our flagella would be our legs.

WILL GIVE BRAINLIEST!!! HELP ASAP!!!Which of the following statements is true? Electrons are found in the nucleus. A piece of magnesium is made only of magnesium atoms. All 118 elements occur naturally on Earth. Protons and neutrons orbit the nucleus of an atom.

Answers

Answer:

The last one

Explanation:

They are both found in the middle and everything else is false

Answer:

A.

Explanation:

B. is wrong bc they don't occur naturally

What characteristics of visible light is responsible for its color?

Answers

They are all different wavelengths and frequencies.

It is called this because humans can detect it with the naked eye.

How long or short the wavelengths are determines the color of visible light.

like how the sky is blue because it has a shorter wavelength than the colors we see at sunset, and blue is more widespread.

Hope this helps you out!!:)))

1. What are some benefits of web-based applications A. Convenience, compatibility, multiple platforms

B. Price, requires installation, stays up-to-date

C. Stays up-to-date, multiple platforms, no browser needed

2. Jeffrey would like to send a monthly newsletter to each person signed up to receive online communication which tool would be best?

A. Listserver
B. Social media
C. Web page

3. A ____ network is useful for connecting a small network

A. Campus area
B. Local area
C. Wide area


4. What does a URL ending in .edu indicate

A. Academic institution
B. Commercial site
C. Government agency

5. Adelle is having trouble connecting her new tablet to the internet which resource would be best and why?

A. FAQ; answers common questions

B. Scholarly article; explains current research

Answers

Answer:

The following are the correct answers to each question:

Q1:Option A: Some of the benefits of web-based applications are convenience, compatibility, and multiple platforms

Q2:Option A: Jeffrey should use Listservr to send the monthly newsletter to each person signed up.

Q3 Option B: A local area network is useful for connecting a small network

Q4: Option A: A URL ending in .edu indicates an Academic institution

Q5: Option A: Adelle should go to the FAQ section as it answers common questions

Explanation:

Q1: Web-based applications are a good option for businesses as they are convenient time wise and financial wise, people don't have to spend a lot of time receiving each application and talking to the applicant, they are also compatible with almost every device that has a connection to the internet, and they can be used in multiple platforms.

Q2: Listservr is a software application that allows a sender to send a message to a mailing list of people that, normally, have subscribed to receive information.

Q3: A local area network is a computer network that interconnects computers within a limited area such as a residence or a school

Q4: The domain .edu is one of the top domains in the internet and registrants need to be affiliated Academic institutions in order to be able to use it

Q5: FAQ is a section that most of websites and instruction manuals have online, in which the Frequently Asked Questions (FAQ) are answered.

the benefit of web-based applications is for the option c

A Scientist Finds An Unusual Living Thing And Decides To Study It.

Answers

A scientist finds an unusual living thing and decides to study it. Which observation indicates that the living thing is among the smallest types of living things? A. It is multicellular. B. It possesses a membrane-bound nucleus. C. It possesses a hard outer shell. D. It does not have a nucleus.
i would go with B.
hope that this helps you! =)
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Why is Darwin's theory of Evolution by Natural Selection not just a theory?'•A. It does not rely on dependent variables, only independent variables.•B. It has more evidence than a hypothesis, but less than a law.••C. A hypothesis does not become a theory until it is already supported by evidence,D. It is just a theory, it is equivalent to a guess.