Biology High School

True or False
inherited genetic variations are caused and influenced by environmental factors only

Answers

Answer 1

Answer:

False, it can also be caused by mutations.

Answer 2
False. Inherited variations come from mutations, independent assortment, crossing over, and fertilization

Related Questions

How is soil polluted?Explain.​

Answers

Answer:

Main Causes of Soil Pollution

1. Industrial Activity. Industrial activity has been the biggest contributor to the problem in the last century, especially since the amount of mining and manufacturing has increased.

2. Agricultural Activities. The utilization of chemicals has gone up tremendously since technology provided us with modern pesticides and fertilizers.

3. Waste Disposal.

Explanation:

got the information from the internet

2. Use the drawing to answer this question. What type of cell is this? B А с 3 2 1 5 F D E​

Answers

Answer: Whats the drawing

Explanation:

Anyone knows the answer I need help assap:())))???

Answers

Answer: It is B

Explanation: Because remember invertebrates do not have a backbone.

Answer:

I think B

Explanation:

because they have backbone I think

The large, round cell part that controls cell activities in

Answers

Answer:

Explanation:

.

I dont know to do delate

Answers

Answer:

what to delete if you say the full information I could help you to solve

SOMEONE HELP ME plsssssssssssss

Answers

Answer: See explanation

Explanation: If the trait is benefical then it has a positive effect on the organism. If it is neutral it does not have any effect on the organism. If the trait is harmful it will have a negitive effect on the organism.

Answer:

Beneficial goes with the last paragraph, Neutral with the first, and Harmful for the middle

Explanation:

Which process occurs during the light-dependent reactions in photosynthesis?

Answers

Explanation:

thanks for the points man :) yes sir


A. Val Pro Pro

B. Leu His Ser

C. Pro Val Pro

D. Val Leu Pro

Answers

The answer is D. That’s all I have

Certain bacteria are present in the soil. They help grab nitrogen from the environment and convert it into products that plants can use to generate food.


These bacteria are a(n) _______ part of the environment.


A.
abiotic

B.
biotic

C.
toxic

D.
external

PLEASE HELP

I am doing a study island

Answers

nitrogen fixation (this could be the answer)

......the name of the bacteria is Risobbium bacteria... this bacteria is a part of a nitrogen fixation. .

-but maybe this is the not answer..

Answer:

biotic

Explanation:

A _________ is an organic compound that must be obtained from the diet and is needed to sustain life.

Answers

A Carbohydrate is an organic compound that must be obtained from a balanced diet

Carbohydrates are food nutrients which are also organic compounds which are required for the sustenance of life because they are a very vital source of energy which the body requires for it to function properly and efficiently.

Other organic compounds are Proteins, lipids and Vitamins because they all contain elements of carbon in them. But for the Human body to be active it requires energy and the most important source of energy to the body is Carbohydrate

Hence we can conclude that Carbohydrate is an organic compound that must be obtained from a balanced diet.

Learn more : https://brainly.com/question/19874109

breathing involves the movement of diaphragm and Rib cage



true or false​

Answers

Answer:

True

Explanation:

It's a true statement as,

When we inhale the diaphragm moves downwards and the rib cage moves upwards and outwards to let enter the outside air containing oxygen come in.While we exhale the diaphragm comes to its position and the rib cage move downwards and inwards to let out the inside carbon-dioxide and other games out.

Hence, we can conclude that breathing involves the movement of diaphragm and Rib cage.

Yes,very true! This is very true because out lungs are around our rib cage,and our lungs is where we breath. For example,right now take a breath in.....Hold.... and out. And one more time. Your lungs are moving in your rib has you do that!

Hope this explains better :)

~Learning with Natalia~

what does the axon of a postganglionic neuron synapse with?

Answers

The autonomic nervous system (ANS), fibers from the central nervous system to the ganglion are known as preganglionic fibers. The axon of a postganglionic neuron synapse with synapses with the effector organ.

Preganglionic neuron is known too be the first neuron in the two-neuron chain found in the brain or spinal cord. Its axon is known to have synapses with the postganglionic neuron.

Postganglionic neuron is also known as the second neuron that is found in the automatic ganglion. Its axon synapses is connected to the effector  organ.

Preganglionic axons synapse that is found in the sympathetic chain ganglia with a postganglionic neuron.

Learn more from

https://brainly.com/question/17172142

Answerrrrrr????????????

Answers

Answer:

3

Explanation:

because lichens and mosses are pioneer species they make the abiotic factor less hostile so the herbs and shrub can grow.

hope this helps :)

Of the elements listed below,which has the greatest electronegativity?

A periodic table is provided for reference.

Answers

Answer:

Bromine

Explanation:

Electronegativity increases as you go across a period and decreases as you go down a group.

does anyone understand this? help please. and thank u :D

Answers

Answer:

not really

Explanation:

sorry cant help you

.
How does the skeleton function to store minerals?

Answers

Answer:

calcium and phosphorous,

Explanation:

which can given up if the body requires the minerals for others functions

Which of the following muscles gives Reed his defined six-pack?

Answers

Answer:

a. Rectus abdominis

Explanation: is correct

How do sedimentary rocks form on Earth’s surface?
A
in vertical stripes

B
with no clear pattern

C
in horizontal layers

D
in a crisscross pattern

Answers

Answer:

I am 95% sure its b, if not then it is c

Answer:

C

Explanation:

Sound travels fastest in matter that has relatively ______ densities.

Answers

Answer:

low

Explanation:

location of genes in the chromosome​

Answers

Answer:

Chromosomes and genes. Genes are arranged linearly along the length of each chromosome (like beads on a string), with each gene having its own unique position or locus. In a pair of chromosomes, one chromosome is always inherited from the mother and one from the father.

Explanation:

Hope it helps! Please mark brainliest!

What movements do the quadriceps femoris muscles perform?

Answers

Answer:

a. Extension of the lower leg

Explanation: is correct

A polar bear has thick, white fur that camouflages it when it sits on snow. Which type of adaptation is this modification?
A. structural
B.natural
C.functional
D.behavioral
Which on is it?

Answers

B, natural adaptation

Answer:B Natural

Explanation:Camouflage is a adaptation which animals use to blend in with their surroundings in order to protect themselves from the predators and hunters. This also gives them a better chance of survival and easy mode of hunting for food.

For example: white fox hides in the snow from the predators

Camouflage is a clear example of Physical or Structural adaptations.

-Body shape, color and body patterns are the adaptations that assists both predators and prey to camouflage

-As in the example mentioned, the polar bear with its white fur hides in the snow and waits for the right time to attack its prey without being seen

Hope it helps!!

Match each of the leg muscles with the correct label. 2

Answers

Answer:

The numbers on the leg photo

1. Tensor fasciae latae

2. Soleus

3. Peroneus longus  

Explanation: are correct

Which food group is shown in the picture below?

Answers

Answer:

The food group is Protein

Help …. I’m new and looking for help with these questions

Answers

4:C 5:A 6:D 7:A








yeah

________________ results from microevolutionary changes that increase the likelihood of survival and reproduction.

Answers

Answer: Adaptation

Explanation:

What are some things water will adhere to? and What are some things water will not adhere to?

Answers

Answer:

1. Water has an amazing ability to adhere (stick) to itself and to other substances. Hydrogen bonds form when hydrogen atoms covalently bonded to nitrogen (N), oxygen (O), or fluorine (F) in the form of covalent compounds such as ammonia (NH3), water (H2O) and hydrogen fluoride gas (HF).

2. In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. The attraction between individual water molecules creates a bond known as a hydrogen bond.

exhibiting a personality that ________ is a common characteristic of all personality disorders.

Answers

Answer:

borderline or narcissistic

Explanation:

i think that right

Answer:

differs markedly from the expectations of oneś culture.

Why do yeast not contain chlorophyll?

1. Yeast does not need to absorb sunlight to make energy.
2. Yeast can only survive in the dark.
3. Yeast does not need oxygen to make energy.
4. There is not enough space in the yeast to contain chlorophyll

Answers

1. Yeast does not need to absorb sunlight to make energy because they do not photosynthesize.

HELP PLZ ASAP true or false
1 then an organism is asymetrical it means that no matter where you slice it in half the two sides are always mirror imiges true or false?

2 The phylum cnidaria is charicterized by organisms that shoot barb cells contains a potint toxin true or false?

Answers

Answer:

1 false

2 true

Explanation:

Other Questions
Think about the things you do on a regular basis. What values are reflected in your daily activities? How does social norms affect social relationship? 3. About 31% of the people who come to the park bring a dog. One third of people who come to the parkexercise. Which group of people represents a larger percent of the people coming to the park NEED HELP!!! ANSWER THESE 5 QUESTIONS FOR 25 POINTS!!!! PLEASE ANSWER!! I WILL GIVE YOU BRAINEST1. Jerome explains to his doctor that because he spends a lot of time at his desk, he makes sure that his chair supports good posture. But when he is home, he spends his time on an old, squishy couch that offers very little support. He figures that since he spends most of his time at work, he does not need to worry about his home furniture as much. How would Jeromes doctor MOST likely reply?A. Jeromes thinking is correct since he spends most of his time at work.B. Jerome should bring his chair from work home with him on the weekend.C. If Jeromes standing posture is good, he does not have to worry about his seated posture.D. Sitting properly is important in all contexts, so Jerome should consider his seating at home.2. Guillermo has decided that he wants to be healthier, so he starts jogging. He has been at it for a week, but he is getting frustrated because he cannot run very far without getting out of breath. He is beginning to think that this is not a good exercise for him since he is not very good at it. What BEST explains why Guillermo is struggling?A. He probably does not have good form when he is exercising.B. He likely has heart or lung problems that he was not aware of.C. He does not have much endurance since he is new to exercise.D. He is just not good at jogging and needs to try something else.3. Which is the BEST example of the kind of mechanics that are studied in sports biometrics?A. the average attendance at a sporting eventB. how a new sport becomes popular in a communityC. the movement of the wrist when hitting a tennis ballD. the median height of the most successful hockey goalies4. Ewan had a resting heart rate of about 110. What does this indicate?A. His heart rate is perfectly average.B. He probably has a high metabolism.C. He needs to work on raising his resting heart rate.D. His heart rate is high and could indicate a problem.5. Why is acceptance an important part of building a healthy lifestyle?A. Exercise will probably not change much in your life.B. Healthy lifestyles often create a lot of disappointment.C. If you understand your limitations, you are less likely to be frustrated.D. Finding the energy to exercise can be hard, so you should limit your goals.PLEASE NO LINKS which term refers to the mix of nations, economies, and cultures? Interview two members of the family or any close relatives/household members. 2. Let them think and identify a situation in the current crisis where relationship with family, friends and others was put to a test. 3. Let them discuss how they deal with it.4. Listen carefully while they are sharing their experiences. 5. Observe respect, sensitivity and confidentiality while doing the activity.6. Write your gathered information using the format below on a sheet of paperincluding your answers to the processing questions after. Processing Questions:1. How was the activity for you? 2. How do you describe the manner your family or household members handled their situation? 3. Is it something that you can emulate? Why or why not? 2. The electrical resistance R of a wire varies inversely with the square of its diameter d. If a wire with adiameter of 3 millimeters has a resistance of 0.4 ohm, find the resistance of a wire having the samelength and a diameter of 8 millimeters. Consider this equation. 7. 8 2(0. 75m 0. 4) = -6. 4m 4(0. 5m - 0. 8) Mia solved the equation and determined that m = 2. Is she correct? She is incorrect because when substituting 2 for m the result was a true statement. She is incorrect because when substituting 2 for m the result was a false statement. She is correct because when substituting 2 for m the result was a true statement. She is correct because when substituting 2 for m the result was a false statement. Which is true of Roman architecture?Roman temples were usually created of wood, mud, or other degradable materials, so none are still standing todayHowever, there are several tomb-houses still in good shape because they were made of stone.The Romans borrowed heavily from the Greeks and Etruscans in style, but were innovative engineers who developedround arches, aqueducts, and roads that are all still standing todayMost Roman structures still standing today are load-bearing tombs for rulers, or temples using colonnades andhypostyle halls, but they did not use arches of any kind.The Romans were great innovators who developed the three Classical orders, and calculated precise measurementsto create optical illusions in their templs HELP PLEASE Which would be considered rude in starting a conversation with a deaf person?A Moving into viewB Snapping your fingersC Tapping a shoulder D Waving your hand what is the sum of 25.234 and 14.454 I need help with this 45 divided by 855 show your work! Question 27Fred weighs 150 lbs and expends 5.2 calories per minute walking at a brisk pace. Howmany calories would Fred burn is he walked for 60 minutes msatlticoserYoeldelmundofutbolistaquieroPut in order? Simplify 9 - 3(5-4x) Question 7 of 19Which of the following governments is most similar to the form ofgovernment that ruled classical Athens?A. Many African countries are ruled by powerful individuals whocommand strong armiesB. In Iran, religious leaders hold more political power than non-religious leadersC. Many cities in the United States allow all of their citizens to voteon lawsD. The king of England has his powers limited by a writtenconstitution Juan spent $2.50 on apples and oranges. He bought 5 apples at $0.36 each. What is the most he spent on the oranges?Please this is for my homework Mrs. Cho has 24 students in her class. Some of her students are also in the play.Explain why it is not possible for exactly 24% of the students in Mrs. Chos class to be in the play. The graph shows the savings in Andre's bank account. What is the slope of the line?