Biology Middle School

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?

Need This For Homework1.What Happens When Fertilizer Ends Up In Waterways?2. Describe Eutrophication.3.
Need This For Homework1.What Happens When Fertilizer Ends Up In Waterways?2. Describe Eutrophication.3.

Answers

Answer 1
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Answer 2
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!

Related Questions

If you had to define ecological succession in your own words in a 140 character text, how would you define it?

Answers

Answer: Succession is like winning a race. You get to acomplish something that you wanted to do.  sorry this is short

Explanation:

Ecological succession is when the structure of a biological community evolves overtime. For example, when a tree falls in a forest, the sunlight may be able to reach the forest floor, which would allow new growth to begin.

Explain the relationship between genetic change and adaptation.

Answers

Answer:

Mutations can cause instant adaptations, while natural selection is the process by which adaptations occurs over a series of generations. Adaptations are changes or processes of changes by which an organism or species becomes better suited for its environment. A mutation is an alteration of the DNA sequence.

Explanation:

Just don'y copy a paste, try to paraphrase a bit, don't want to get in trouble!!!

Answer:

Natural selection is the process by which adaptations occurs over a series of generations, while mutations can cause instant adaptations. A mutation is an alteration of the DNA sequence. Adaptations are changes or processes of changes by which an organism or species becomes better suited for its environment.

Explanation:

does this help?

According to the table "Balance of the Carbon and Nitrogen" on page 6, which substance has the highest carbon to nitrogen ratio?




Pick the answer choices down below!!!

Answers

Answer: Vegetable waste

Explanation:

Vegetable waste is the answer

Fill in the blank.
Now from the top make it drop dass sum ____ now getta _____ ina mop

-Cardi & Megan

Answers

Answer:

wet a cat, bucket

Explanation:

the fact that these keep popping up

wet a/s/s pus/s/y

Bucket

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

Matt’s eye color is different from his father’s eye color. Which statement best explains this occurrence? *

A The DNA regulating Matt’s eye color is identical to his mother’s DNA.
B Most of the DNA regulating Matt’s eye color is inherited from his father.
C Most of the DNA regulating Matt’s eye color is inherited from his mother.
D The DNA regulating Matt’s eye color is a unique combination of both of his parents’ DNA.

Answers

Answer:

I think it's A or D because he had to get his eye color from his mother since it's not the same as his father or it could be a mix of two different colors like D says, sorry lol

PLEASE HELP ASAP!! WILL MARK BRANLIEST

Answers

Answer:hope it helped written by akashaplz mark it brainlist

Explanation:

so i will tell everyone that there was fire for 4 hours and no rescue team were there the fire was blown by a tourist that took the life of 100 animal so as everyone can see the plant are finished everywhere there is only ash and flash of animal .i want to tell the visitors that the rescue was near but they don't show action , as earth is home to many living organism so it is animal right to live in forest and it a request everyone should come and plant seeds so we can recover the forest

The predictions of an assumed hypothesis are the result of _______ reasoning.
A. inductive
B. deductive
C. logical

Answers

The answer is logical reasoning


Write each characteristic in the space below for each photograph. Some characteristics will be described more than one photograph.

Characteristics:

Grains have been eroded a great distance.

Grains have been eroded a short distance.

Differential weathering.

Sediments deposited in horizontal layers.

Likely deposited after being eroded by flowing water.

Well-sorted sediment.

Differential weathering (also I’m not sure why there’s two of them but this is another characteristic as well)

Sediments deposited in horizontal layers (again, I’m not sure why there’s two of them but this is another characteristic as well)

Answers

I do not know what the answer is.

I do just dm me I con do it there

HELP, PLEASE!! ON THIS I ALREADY DID MOST OF IT! IT IS TOO SMALL TO READ!!

Answers

Answer: TT,TT,Tt,Tt      tt,tt,tt,tt

i think

Explanation:

TT, TT, Tt, Tt


tt, tt, tt, tt

which of these is not a molecule
A) DNA
B) water molecules
C) single atoms
D) medicines

Answers

I think it’s D because Medicines don’t really have molecules

Answer:

d) medicines

have a nice day! <3

Genes are sections of DNA that code for a particular trait. Genes are
A. Carbohydrates
B. lipids
C. proteins
D. nucleic acids

Answers

Answer:

D. Nucleic Acids

Explanation: Since DNA is a nucleic acid, and a gene is a piece of DNA, a gene would also be a nucleic acid.

I’m 99% sure it’s D if it’s not then it’s C

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.

an air mass exist in the middle upper part of the United States what type of air mass is this and what are its main characteristics choose all that apply

Answers

Answer:

Air masses are characterized by their temperature and humidity properties. The properties of air masses are determined by the the underlying surface properties where they originate. ... Upon movement, air masses displace residual air over locations thus changing temperature and humidity characteristics.

Explanation:

Mass exists because we are living in a world full of a lot of weird things and we love it

According to the American Council of Exercise, overweight people have, on average, greater than 30% body fat. In graph B, what do you notice about the amounts of hydrogen and methane in subjects with healthy body fat percentage compared to subjects who were overweight?

Answers

Answer:

Subjects in the “normal” group had a normal amount of hydrogen, 20 ppm  or less, and a normal amount of methane, 3 ppm or less.   If subjects had greater amounts than the normal amount of hydrogen (≥20 ppm) detected but had less than the normal amount of methane (≤3 ppm), they were considered hydrogen positive (represented by the “Hydrogen Only” bar), while ≥3 ppm of methane detected but ≤20 ppm of hydrogen was considered methane positive (represented by the “Methane Only” bar).  If subjects had greater than the normal amounts of both gases (≥20 ppm of hydrogen and ≥3 ppm), they were considered hydrogen and methane positive (represented by the “Methane and Hydrogen” bar).

i hope this helps

The phase in which a cell spends most of its life is interphase. True or False

Answers

True................

I need help ASAP!!

Is the following sentence true or false?

Only pea plants that have two recessive alleles for short stems will be short.

Answers

True. If it has even one dominant allele that will be the trait expressed (that’s why it’s dominant)

Answer:

TRUE

Explanation:

I believe its true I read about it in a book somewhere.

The stem of a plant is experiencing phototropism. Which statement correctly describes the plant's response?

Answers

Answer:

A the stem moves towards the light for better photosynthesis

Explanation:

saw it happen

Answer:

The Answer is A  

Explanation:

Growth in plants reflects the way in which they interact with the environment. If we place a strong light at one side of this fuchsia plant, the plant will grow towards it. This is called a phototropic response.

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

Using the dichotomous key, Which kingdom classification of the organism is described above?

A.
Fungi

B.
Eubacteria

C.
Protista

D.
Animalia

Answers

Answer:

Fungi

Explanation:

It’s fungi I did this unit last year

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:

https://brainly.com/question/15776275

#SPJ6

PLZ help ILL GIVE BRAINLEIST

Answers

Answer:

it was a fort in 1669

Explanation:

hope this helps <3

The correct answer is 1669

If a tall plant (TT) is crossed with a short (tt) plant, all of the offspring will be: *
A Tall
B Short
C Medium
D Combination

Answers

I am pretty sure the answer is D (combination)

Answer:

C medium I'm pretty sure

Explanation:

because if you add short and tall you would get medium right?

How many and what types of chromosomes are found in every one of your cells?

Answers

There are 23 chromosomes in a cell but I’m not sure what types they are

If one strand of the DNA molecule has a base sequence with 8 nucleotides, how many nucleotides will the complementary base sequence contain? *

Answers

dna to rna or just dna i’m p sure it’s 8

I believe it it is 8

please help me with this!! I will mark brainliest!

Answers

Well, the seedless plants reproduce and when they do produce, they provide good for the consumers in the environment and omnivores . Also when reducing, the release carbon dioxide, and when the animals die the body’s leave nutrients , which means that it will dig into the soil and will be used by other organisms.

Fill in the Blank
Complete the following sentence.
The discovery of plastic resulted from a(n) ____________
attempt at making an alternative form of insulation for electronics.

Answers

Failed...
I’m not entirely sure
Cheap, I’m pretty sure it’s right.

What two human systems deal with allergies?

Answers

One is immune system. ‍‍‍‍

Which best explains why sexual reproduction produces greater variations among offspring? *

A The DNA come from two genetically different parents.
B The DNA cells from one parent that is genetically identical.
C The sex cells are produced by mitosis.
D The sex cells undergo self fertilization

Answers

Answer:

A The DNA come from two genetically different parents.

Explanation:

Everyone has different genetics. They are determined by sex cells that are produced by MEIOSIS NOT mitosis. Meiosis allows for genetic variation amoung offspring along with the genetically different parents.

The DNA come from two genetically different parents explains the best reproduction greater variations among offspring.

What is sexual reproduction?

Reproduction is the act of one or more parents creating a new individual (offspring), frequently within the same species. It is among the characteristics of a living creature.

Sexual reproduction, we mean a process where two parents' genetic material is combined to create a child. When two haploid gametes combine, a genetically unique diploid child is produced.

The word "sexual" has a Late Latin etymology that stems from the word sexus, which means "of copulation or generation." The word reproduction is also derived from the Latin words re, which means "again," and productio, which means "creation." Alternative: syngenesis.

Therefore, The DNA come from two genetically different parents explains the best reproduction greater variations among offspring.

To learn more about sexual reproduction, refer to the link:

https://brainly.com/question/7464705

#SPJ6

please I need help
Based on
-climate
-global warming
-temperatures

Answers

Answer for #8:

Cold water is heavier than warm water, and because of that it sinks. Ice dissolving into the water cools the ocean, causing it to drown. This creates a wave by which cold water is drowning near the poles, which forces the water into the depths of the ocean, leading the entire ocean to swirl. This cold, thick water is then forced back up against the west shores of the continents where it can be warmed.

Hope this helped,

0Drink0Milk0

Answer given

............
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