An insecticide is a chemical that can rid a plant of insects that cause damage to the plant. If the same insecticide is used for many years, it is likely that it will no longer rid plants of insects. Which statement BEST explains why insects are no longer harmed by an insecticide that has been used on the same plants for many years? (S7L5b) 1 pt. A. Over time, plants sprayed with an insecticide develop a resistance to it, which transfers to the insects when the insects eat the plants. B. Some insects are born with an ability to avoid harm from an insecticide, and they pass this ability to their offspring when they mate and reproduce. C. Some insects are born with an ability to avoid harm from an insecticide, and they pass this ability to other insects by coming into contact with them. D. Over time, plants sprayed with an insecticide develop a resistance to it, which transfers to the insects when the insects lay their eggs on the plants.

Answers

Answer 1

Answer:

its b

Explanation:

yep its is took the test


Related Questions

Uranus is which planet from the sun?

Sorry about the subject, there is no science subject so I chose randomly

Answers

Uranus is the 7th planet from the sun :))

☀️sun☀️
1. Mercury
2.Venus
3.Earth
4.Mars
5.Jupiter
6.Saturn
7.Uranus
8.Neptune
Hope it helps!!

This is hard. pls help. Write an equation for cellular respiration. Write an equation for photosynthesis. How are these two equations related?

Answers

Answer:

equation for cellular respiration: C6H12O6 + 6O2 + 6H2O → 12H2O + 6CO2

equation for photosynthesis:: 6CO2 + 6H20 + (energy) → C6H12O6 + 6O2

Plants make their own food by photosynthesis. During photosynthesis a plant takes in water, carbon dioxide and light energy, and gives out glucose and oxygen.

Explanation:

Plants make their own food during photosynthesis

The Punnett square below shows a cross between 2 pink flowers. What is a percentage that a pink flower will be produced? *

Answers

Answer:

50%

Explanation:

rr, rw, rw, ww

Sarah the Cheetah ran a 100 meter dash in 5.95 seconds at the San Diego Zoo, setting a new world record for mammals. What was Sarah's speed in Meters per Second? (Just write the number, rounded to the nearest tenth, no units)

Answers

Answer:

16.3 Meters Per Second

Explanation:

To find out the speed, you need to simplify 100/5.95

To do this, you first round up to 6.

[tex]100/6=50/3=16.333333[/tex] meters per second

Rounded up, it is 16.3 Meters per Second

The Sarah's speed in Meters per Second was 16.3 m/s.

What is speed?

Speed is defined as a measurement of the length of time it takes for an object to travel a certain distance. To increase your strength and begin running more quickly, do sprinting drills and exercises including box jumps, high knees, hill sprints, and other core workouts. Strengthening your entire body can also be accomplished by including some type of strength exercise on your off days. Speed is calculated as follows: speed = distance ÷ time. Knowing the units for distance and time is necessary to calculate the units for speed.

You must simplify 100/5.95 to determine the speed.

In order to do this, multiply by 6.

= 100 / 6

= 50 / 3

= 16.33 meters per second.

It is 16.3 meters per second when rounded up.

Thus, the Sarah's speed in Meters per Second was 16.3 m/s.

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Which example is NOT an organism?

Question 1 options:

lung


mold


human


bacteria

Question 2 (3 points)
All living things are made of ______.

Question 2 options:

multicellular


organisms


cells


tissues

Question 3 (3 points)
To function on their own, what must unicellular organisms do?

Question 3 options:

make tissues


work with other cells


do all jobs for survival


perform a specialized task

Question 4 (3 points)
Which type of organism is ale to cause an infection or contagious disease?

Question 4 options:

animal


plant


bacteria


rose

Question 5 (3 points)
A fish laying hundreds of eggs is an example of _________.

Question 5 options:

maintaining structure


all of the answers are correct


obtaining energy


producing offspring

Question 6 (3 points)
What do we call the branch of science for classification of organisms?

Question 6 options:

Taxonomy


Chemistry


Physics


Biology

Question 7 (3 points)
What is an example of "maintaining structure"?

Question 7 options:

a cell dividing


eating an apple


catching a fish


healing a broken arm

Question 8 (3 points)
All successful organisms must be able to do what three things?

Question 8 options:

obtain energy, produce offspring, eat


obtain energy, eat, play video games


obtain energy, produce offspring, maintain their structure


maintain their structure, eat, build a home

Question 9 (3 points)
Which example is NOT a basic need of all organisms?

Question 9 options:

soil


appropriate enviornment


water


food

Question 10 (3 points)
What do all living things need?

Question 10 options:

energy, water, sunshine, and protection


water, parents, a place to live, and air


oxygen, an outer covering, parents, vitamins


food, water, air, and a place to live

Answers

Answer:

1: Mold 2: Cells 3: do all jobs 4: bacteria 5: producing offspring 6: Taxonomy 7: Healing a broken arm 8:obtain energy, produce offspring, maintain their structure 9: soil (I think) 10: food, water, air, and a place to live

Answer:

1. lung.

2. cells.

3. do all jobs for survival.

4. bacteria.

5. producing offspring.

6. Taxonomy.

7. a cell dividing.  

8. obtain energy, produce offspring, and maintain their structure.

9. soil.

10. food, water, air, and a place to live.

Explanation:

1.  all of the other options are organisms, while a lung is an organ.

2. All living things are made of cells

3. All unicellular organisms must be able to perform all the functions necessary for life. Meaning do all the jobs needed for survival.

4. Bacteria is the organism listed that is able to cause an infection or contagious disease.

5. A fish laying hundreds of eggs is an example of producing offspring. While it could also be an example of maintaining structure, a fish cannot obtain energy by laying eggs. So, the best answer is producing offspring.

6. Taxonomy's definition is the branch of science concerned with classification, especially of organisms; systematics.

7. a cell dividing is maintaining structure. After growth, cell division by mitosis allows for continual construction and repair of the organism. The primary concern of cell division is the maintenance of the original cell's genome. So, this is the best option for the question.

8. The second option is wrong, because not every organism plays video games. The 4th option is wrong, because not every organism builds their own home. And finally, the first option is incorrect, because plants do not physically eat they obtain their energy through photosynthesis. So, the correct option is the 3rd one.

9. Soil is not needed for all living organisms, but the other options listed are necessary.

10. the second and third option are incorrect, because not every living thing needs a parent. The first option is incorrect, because not every living thing needs sunshine and it does not list the other necessary components. So, the correct answer is the last option. And a place to live can also mean an appropriate environment.

Please help me this is the last question and I need to get it right please help me.
If John and Sam both push on a boulder with a force of 30N, but in opposite directions, what will happen to the boulder?

Question 4 options:

The boulder moves towards Sam

The boulder moves away from John and Sam

The boulder moves towards John

The boulder will not move.

Answers

The boulder will not move.

The boulder will not move, because the net effect of the force is reduced if two people apply the same force to the object, hence option D is correct.

What is the effect of the force?

Force is defined as applying strength or energy to applying on the object cause it creates motion. It is not in any object force is applied to the object by another person.

If John and Sam both push on a boulder with a force of 30N, having no effect on the boulder because they are applying the same force boulder but in opposite directions.

If any force is applied to the object but in the opposite direction, the net force is the difference between them, so it reduces the net force.

Therefore,  the boulder will not move, due to the net force being reduced if the same force is applied to the object in the opposite direction.

Learn more about force, here:

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What is the relationship between octopuses and seagulls?

Answers

Their both animals and their both animals

Answer:

The answer is that the relationship between octopuses and seagulls is that they both eat mussels.

Explanation:

Hope this helps!! ;)

one and two please !!

Answers

1. Plants on land have taken up approximately 25 percent of the carbon dioxide that humans have put into the atmosphere. The amount of carbon that plants take up varies greatly from year to year, but in general, the world's plants have increased the amount of carbon dioxide they absorb since 1960.

2. Animals that eat other animals get the carbon from their food too. Carbon moves from plants and animals to soils. When plants and animals die, their bodies, wood and leaves decays bringing the carbon into the ground. Some is buried and will become fossil fuels in millions and millions of years.

Need this for homework
1.What happens when fertilizer ends up in waterways?
2. Describe eutrophication.
3. What has happened at the mouth of the Mississippi River?

Answers

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1. When fertilizer ends up in waterways, the fertilizer gets carried to larger bodies of water. The added nutrients from the fertilizer creates excessive growth of algae, creating algal.

2. Eutrophication is what a water based ecosystem does when too much nutrients are added to it. it’s mainly caused by two nutrients, phosphorus and nitrogen. The biggest problem in eutrophication are algal blooms.

3. At the mouth of the Mississippi River there is a dead zone. Due to algae using up all the oxygen, aquatic organisms can not survive there. Things that can help prevent dead zones are cutting down on fertilizer use and preserving wetlands.


Hope this helps!

BRAINLIEST IF ANSWER QUICKLY

1. Identify a period of time when this population showed exponential growth? Explain how you know this.

2. At what point in time did the population reach its carrying capacity? Explain how you know this.

3. The population's actual growth (in red) often goes above and below the carrying capacity in a cycle, why do you think this happens?

Answers

Answer:

1. 1850

2. it stays on carrying capacity until, about 1835

3. because people are born in generations

Explanation:

1. because the overshoot line grows very quickly around 1850

2. simply an estimate to where i think it lines up

3. once one generation is born, the older one dies.

Answer:

1. Around 1850 is the period of time when the population showed exponential growth.

2. The population reached its carrying opacity technically around 1850 as well but it was much closer to the direct line at around 1870-1875.

3. I believe this happens because of sickness and people choosing to leave the area. (There are many other reasons I am sure you can come up with)

Explanation:

These are the answers that fit best! I a so sorry for taking so long! You should certainly give brainliest to someone else but still-

If you found this to be helpful please leave a thanks, and a rating!

If this answer is correct maybe you can mark my answer brainliest! I hope you do well on your assignment!

~Ace <3

How is surface water naturally purified?
A:freezing water destroys impurities

B:evaporation leaves impurities behind

C:sediments precipitate out

D:soil filters the water

Answers

the correct answer is D.

A is wrong because it does not destroy molecules , they cannot be destroyed.

B is wrong because there can still be impurities from the clouds

C is wrong because sediments cannot be precipitated , only water can

The surface water is naturally purified by soils that filters the water. The correct option option is D.

What is soil water filtration?

Soil not only captures water, but it also filters it. Physical, chemical, and biological processes clean the water that flows into and through soil.

When pollutants carried by water become trapped in the small pores of the soil, they are physically cleaned.

Water is cleaned by physical, chemical, and biological processes as it passes through soil.

In addition to its physical filtration capacity, soil contains important biota that helps transform and decompose certain chemicals and other contaminants from soil, thereby aiding in the removal of these contaminants from water.

Groundwater is typically clean and safe to drink. Groundwater is usually free of microorganisms that cause disease because the soil on top acts as a filter.

Thus, the correct option is D.

For more details regarding water filtration, visit:

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