Lake might become a forest in a period of 100 years by the process of hydrosere.
What is hydrosere?
Hydrosere is defined as the primary succession that develops in aquatic atmospheres such as lakes and ponds.
There are different stages in the succession from lake to pond. such as the initial stage of succession is phytoplankton, and zooplanktons which pioneer colonizers.
Rooted submerged stage is another stage which suitable for the growth of rooted hydrophytes like Elodea, Myriophyllum, etc.
Floating stage is the third stage where submerged and floating plants grow intermingled but after soon the submerged plants are replaced completely by the dead plants deposits at the bottom.
Reed-swamp stage is 4th stage where the plants of this community are rooted but most parts of plant shoots remain exposed to air.
Sedge meadow stage is 5th stage where further decrease in water level changes the nature of substratum and grasses grows on the area.
Woodland stage is 6th stage where some shrubs and later medium sized trees form open vegetation or woodland tress grows.
Forest stage is the final stage or climax community stage which is invaded by several trees which further develop into forest.
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ANSWER IS A
The biodiversity of cultivated crops is currently under threat from industrial
farming and climate change. The extinction of important crop plants
cause mass starvation. Which of the following is the best way for humans to could
use a seed bank to help prevent this problem?
• A. By
storing a great variety of seeds in case one variety goês
in the wild
extinct
• B. By storing a large number of seeds that can be eaten when famine
occurs
• C. By growing a large quantity of crops from seed and selling the
food they produce
• D. By growing a large quantity of
food they produce
crops from seed and storing the food they produced
The best way for humans to use a seed bank to help prevent the threat to biodiversity of cultivated crops is by storing a great variety of seeds in case one variety goes in the wild extinct.
What is biodiversity?
Biodiversity refers to the variety of life forms that exist on Earth, including the different species of plants, animals, fungi, and microorganisms, as well as the genetic diversity within each species, and the diversity of ecosystems and biomes. Biodiversity is important because it supports the basic ecological processes that sustain life on Earth, such as photosynthesis, nutrient cycling, and pollination. It also provides us with a wide range of ecosystem services, such as clean air and water, food, medicine, and cultural and recreational opportunities.
The best way for humans to use a seed bank to help prevent the threat to biodiversity of cultivated crops is option A, which involves storing a great variety of seeds in case one variety goes extinct in the wild. This approach is important because it helps to preserve the genetic diversity of crop plants, which is essential for breeding new varieties that can withstand changing climate conditions and resist diseases and pests. Storing seeds in a seed bank provides a backup in case a particular crop variety becomes extinct in the wild. It is a cost-effective way to protect the genetic diversity of crop plants and can serve as a long-term solution to the problem of food insecurity.
Option B, storing a large number of seeds that can be eaten when famine occurs, may provide short-term relief during a food crisis, but it does not address the root cause of the problem, which is the loss of biodiversity in cultivated crops. Option C, growing a large quantity of crops from seed and selling the food they produce, and option D, growing a large quantity of crops from seed and storing the food they produced, are both important for food production, but they do not directly address the problem of biodiversity loss in cultivated crops.
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its A
just took the test
name two minerals elements that are necessary in the synthesis of chlorophyll
Answer:
Iron and Magnesium are the elements
Assume that hair texture is determined by a single gene. Describe three possible alleles for the hair texture gene
p(allele for the frequency of straight hair) and q(the frequency for curly hair). Here is an article that should help further explain hair phenotypes!
hetech.org/ask-a-geneticist/three-equally-represented-phenotypes
does anyone know what this is?:)
Which of these are functions of the ear? (Select all that apply)
hearing
emitting sound waves
balance
receiving light energy
Answer:
hearing
Explanation:
you use your ear to heare
Answer:
emitting sound waves and hearing
Explanation:
Which curve would most likely represent the behavior of the receptor once it has been activated by its signal molecule?
Answer:
slow rising check mark curve
Explanation:
An organic disorder whose symptoms tend to develop gradually and worsen over time is __________. a. bulimia b. anorexia c. delirium d. dementia
An organic disorder whose symptoms tend to develop gradually and worsen over time is dementia.That is option D.
What is organic disorder?An organic disorder is a mental disturbance that can affect the brain cells as well as causes hormonal abnormalities.
Examples of organic disorders are:
dementia, deliriumAlzheimer's disease, andamnesia.Dementia is an organic disorder that causes an impaired ability to remember, think, or make decisions that interferes with doing everyday activities. This is a long term organic disorder unlike delirium which is short term.
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Which of the following is an example of mechanical control of nonnative species? a. pesticides b. herbicides c. net barriers d. inspections please select the best answer from the choices provided a b c d
Answer:
The answer is c. net barriers.
Non-native species can do a great harm to native species or ecosystem and there are many ways to control them. Net barriers are mechanical control. Pesticides and herbicides are chemical control. There are also natural (biological control) control, such as diseases and pests, and environmental control, by altering the environment.
Question 1
Which statement about cells is false?
a
b
Different cells work together to form tissues and organs.
Cells are the basic structure of living things.
New cells contribute to growth and repair.
Cells contribute only to the reproduction of an organism.
C с
d
Answer:
the last one which I'm guessing is d......cause it kinda messed up
A quadrilateral has congruent side lengths. 2 opposite angles have measures of 100 degrees. The other 2 opposite angles have measures of 70 degrees and (5 x) degrees. What is the value of x? 14 15 16 17.
(A.) 14
Hope this helps!!! <3
Don't forget to drink water!
1. Do you think that parents should be able to use science to determine whether or not an unborn child will have a genetic disorder?
2. Is this taking science too far?
3. Should taxpayer dollars be used to do additional research into detecting genetic diseases that could be determined before birth?
Answer:
All of these are personal opinion so I would personally suggest learning about these on your own as well as here.
4 Which of the following elements is considered to be the building block of life?
F oxygen
G hydrogen
H nitrogen
J carbon
Answer:
F oxygen
Explanation:
we need oxygen for respiration and hydration
What causes scientist to disagree
Answer:
Unreasonable explanations and blurry proof. Also if the person who made a theroy for example, and they are brand new, and they didn't use much resources and had a thought.
Explanation:
Scientests disagree about several things. Thus they conduct expirements, if it fails, they disagree. If it suceeds they agree.
The constant diameter of the double helix is ensured because hydrogen bonding is always between a base (A and G) and a base (T and C).
A. True
B. False
which of the following statements describes ann natural selection acting on a population
Hemorrhagic fevers are caused by RNA enveloped viruses which include all of the following EXCEPT A) arenavirus. B) filovirus. C) flavivirus. D) arbovirus.
Answer:
D) arbovirus.
Explanation:
D is not to be included
how was your eye color determined
Answer:
2, phenotype
traits are determined using genetics
why do brain cells do brain things
They are building blocks of your brain, and transmit information to other neurons, muscles, and tissues throughout the body. They allow you to think, feel, move, and comprehend the world around you.
hope it helps...!!
How is agarose gel electrophoresis used to separate mixtures of molecules?.
What did Griffith use to kill the
pneumonia-causing bacteria?
A. antibiotics
B. heat
C. healthy bacteria
Answer:
B. Griffith used heat to kill pneumonia-causing. :)
Explanation:
Whats the chemical equation of cellular respiration
The process of photosynthesis resulted in (as in when photosynthesis first appeared on Earth)...
A. significant changes in the atmosphere.
B. extinction.
C. The evolution of multi-cellular life.
D. all of the above.
Which of the following is the model of DNA replication that best accounts for our current understanding of the genetic replicative process?
a. polymerase
b. semiconservative
c. helicase
d. primase
Answer:
The correct answer is B
Explanation:
I hope this helps and I remember doing this
What are a type of filament system in eukaryotes that form non-polar paired filaments and bind GTP?
If you laboratory practical exam is asking you to identify an organism that lacks a cell wall, but does have a proteinaceous layer called the pellicle, you can be sure the organism is a
Euglena is the organism that lacks a cell wall, but does have a proteinaceous layer called the pellicle.
What is Euglena?Euglena is a microorganism that belongs to the eukaryotes. The possess the following characteristics:
Euglena lacks a cell wall but the cell is surrounded by proteinaceous strips. It has a pellicle made up of a protein layer supported by a substructure of microtubules.Therefore, Euglena is the organism that lacks a cell wall, but does have a proteinaceous layer called the pellicle.
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you and a friend are discussing human evolution. your friend insists he has been told that humans arose directly from chimpanzees. you disagree with your friends concept of human evolution. present an argument to help your friend obtain a better understanding of human evolution and the origind of humans as a species. your answer must include refrences to both humans and apes.
Answer:
yes
Explanation:
Humans are made when a man and woman have a good time together and yea also apes didnt raise humans or anything its been scientifically proven so yeah
Calculate the total magnification of a microscope image using x20 eyepiece lens and x60 objective lens
Answer:
magnification : objective lens × eyepiece lens
60x × 20× = 1200×
________ is/are a natural source of air pollution that is/are not influenced by human activity.
Answer:
Gas and I mean air gas not liquid gas.
Explanation:
Hope you get it right!
What method would a scientist use to learn about the number of individuals of a field of strawberry plants?
Answer:
i'm not sure of this but i think it is the scientific method?
Explanation:
the scientific method is to study the outside world with observation and to do multiple different tests to get accuracy
why should we study soil what is the inportance of this unit
Answer: Soil filters our water, provides essential nutrients to our forests and crops, and helps regulate the Earth's temperature as well as many of the important greenhouse gases. It is a very important aspect of the world. It can lead to many discoveries about the Earth.
Explanation: The soil is the foundation of basic ecosystem function.
Answer:
Soil is fundamental for a healthy food production. It provides essential nutrients, water, oxygen and support to the roots, all elements that favour the growth and development of plants for food production. Soil is the basis of food systems as well as the place where all plants for food production grow.