Answer:
when there is a shortage of propagating material, as these cuttings can give one and perhaps two plants from each node
Explanation:
Someone plz help with all the questions
Answer:
The surface of the pond froze overnight.boughSherry needs a new break on her motorcycle before she'll be able to race.Their dog got mud in its fur from rolling in a mud puddle.factAre the four daughter cells produced by meiosis identical or unique?
Answer:
i think it's meiosis identical but im not sure please tell me if it's right or not
Answer:
[tex]\boxed {\boxed {\sf Unique \ daughter \ cells}}[/tex]
Explanation:
There are two main types of cell division: mitosis and meiosis. Mitosis makes identical cells for growth and repair.
On the other hand, meiosis is used for sexual reproduction.
In this reproduction, one diploid cell produces 4 haploid gametes/sex cells, meaning they have half of the genetic information. This is so during fertilization, when a sperm and egg combine, the zygote will have a full set of chromosomes.
One of the most important parts of meiosis is called crossing over. In this step, the chromosomes exchange information and create totally unique chromosomes.
This is one reason why siblings, aside from identical twins, can look similar, but not identical!
a species has a better chance of surviving if it has greater variation in its
Answer:
size?
Explanation:
I do not really know, I am not in this unit at all
How long does the revolution of the moon around earth takes
Answer:
27 Days
Explanation:
The moons takes 27 days to orbit the earth
About 3 million Brazilian free-tailed bats live near Fredericksburg, Texas, in an abandoned railroad tunnel. Eighty percent of the free-tail's diet includes agricultural pests such as the cutworm, corn borer, and webworm moths. Each can eat its weight in insects nightly, and the whole colony may devour over 25 tons of moths per night. The bats return to the tunnel between midnight and daybreak, having traveled an average 25 to 30 miles to forage. As the population of bats increases, it is expected that the crop production in nearby areas will —
As the population of bats increases, it is expected that the crop production in nearby areas will decreases.
How the population of bats can be affected?The population of bats which can be affected by the numerous factors as to will its population increase or decrease, just as at any other organism. If the populations of their food source decrease, the bats will have less food, thus their numbers will decrease.
The same which shows deadly diseases spreads among them, as many will be infected and will die out. They also have predators, so if some of their predators has increase in its population, the population of bats will go down.
Therefore, As the population of bats increases, it is expected that the crop production in nearby areas will decreases.
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How do trace chemicals affect the environment?
Answer:
Accumulation of trace elements, especially heavy metals, in the soil has potential to restrict the soil's function, cause toxicity to plants, and contaminate the food chain.
Explanation:
Answer:
Accumulation of trace elements, especially heavy metals, in the soil has potential to restrict the soil's function, cause toxicity to plants, and contaminate the food chain.
What are the effects of chemical reaction on life and environment?
Environmental pollution is the realease of chemical waste that causes harmful effects on the envrionment. Environmental pollution is offten divided into: pollution of water supplies, the atmosphere and the soil. People most often notice the damage of chemical pollution on animals and plant life.
Is chemical change harmful or helpful to the environment?
Chemical and physical changes occur all around us all the time. These changes are essential parts of our daily lives, for example, digesting food, combustion, osmosis, and phase changes. However, a few of the chemical and physical changes that occur daily are harmful for the environment.
Explanation:
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Where are large grained rocks more likely to form?
What are the long term carbon stores? What are some of the types of human carbon emissions?
Answer:
What are some of the types of human carbon emissions?
Carbon sources include the combustion of fossil fuels (coal, natural gas, and oil) by humans for energy and transportation and farmland (by animal respiration), although there are proposals for improvements in farming practices to reverse this.
Explanation:
The long term carbon sources are plants while a type of human carbon emissions fossil fuel burning.
The long term carbon sources includes, plants, oceans and other geological forms of carbon that are increasing via sequestration.
The carbon emission occur when carbon sources are burnt such fossil fuels, Jungle fire, and respiration of animals.
Therefore, the long term carbon sources are plants while a type of human carbon emissions fossil fuel burning.
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systolic pressure
A
when atrium is relaxed
B
when the ventricles are relaxed
C
when the atrium contract
D
when the ventricles are contracted
PLEASE I HAVE EXAM RN
4. How might Mendel's conclusion be different if he had studied two traits that are determined by
linked genes?
The genes are close jointly chromosomes, they are linked. Mendel’s conclusions hold that had different effects if both traits would have been linked traits.
What was the determination from Mendel's experiments?
When genes are consolidated together on the identical chromosome, they are expressed to be linked. That indicates the alleles, or gene versions, already jointly on one chromosome will be inherited as a unit additional frequently than not.
Mendel’s work proceeded virtually unnoticed by the scientific community, which mistakenly believed that the process of inheritance involved a blending of parental traits that assembled an intermediate physical impression in offspring.
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The "sticker burr" plant in Texas has barbs to help attach the seed to things
that pass by. What type of seed dispersal would be used by a sticker burr?
A. Gravity dispersal
B. Water dispersal
C. Wind Dispersal
D. Animal dispersal
Answer: C. Wind Dispersal
Explanation: Because the seeds travel through the air to travel and attach to something else.
Why can't humans go through Asexual reproduction?
Answer:
When humans reproduce, there are two parents involved. DNA must be passed from both the mother and father to the child. Humans cannot reproduce with just one parent; humans can only reproduce sexually. But having just one parent is possible in other eukaryotic organisms, including some insects, fish, and reptiles. These organisms can reproduce asexually, meaning the offspring ("children") have a single parent and share the exact same genetic material as the parent. This is very different from reproduction in humans. Bacteria, being a prokaryotic, single-celled organism, must reproduce asexually.
Discuss which type of reproduction is the "best" strategy for continuing a species through time in a changing environment and justify your answer.
Answer:
Any sort of sexural reproduction.
Explanation:
Unlike asexual reproduction, sexual reproduction allows the species being produced to adapt the the changing environment around it to increase the chances of survival. For asexual reproduction, clones are made of the parent and, therefore, cannot withstand any extreme conditions that the parent species couldn't. For a changing environment, sexual is the best to allow the specimen and its offspring to change positively along with the environment.
Population
Time (Years)
What has happened to the population after year 10?
©
The population has reached carrying capacity
The population is declining due to a new predator
The population is increasing because more food became available
The population is remaining constant because the and death rate are equal
Answer:
A. The population has reached carrying capacity.
Explanation:
I majored in Biology
Choose the arrow that shows the direction H+ will diffuse.
Answer:
the answer would be the arrow that is pointing down.
Explanation:
Remember that molecules and ions will move to a place of lower concentration from a place of higher concentration.
Answer:
its the arrow pointing down
Explanation:
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An organism's
functions
occur within
cells. A cell is the
Unit in
a living thing.
Answer:
1 cells or tissue 2. no answer 3.organs and is the basic unit in a living thing
Explanation:
what months can you not eat oursters
Answer:
May, June, July, and August.
Explanation:
*oysters?
The months that do not have an r you can eat oysters. The months that have an r, you cannot eat oysters, which are April, January, February, March, September, October, November, and December.
Expoisoning.
only eat oysters with a letter "r" from the the months of September thru April. I t prevents from getting watery shellfish and food poisioning.
* Do not eat oysters in May, June, July or August*
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John is hiking and notices a small stream of water flowing down the side of the mountain. What part of the water cycle is John observing?
A) Runoff
B) Evaporation
C) Condensation
D) Precipitation
explain why.
Scientists recently discovered that rocks collected from the Franklin Mountains in West Texas and rocks collected
from mountains in eastern Antarctica were exactly the same age. Further research showed that the rocks were
chemically and geologically the same and came from the same magma source. This discovery provides evidence
of
А
coastal erosion
B
plate tectonics
с
ocean currents
D
glacial melting
Answer:
Plate tectonics
Explanation:
Plate tectonics explains the features and movement of earth surface in the present and the past.
These plates are pieces of cracked shell that rest on the hot , molten rock of earth's mantle. The heat from the radioactive processes within the planet's inferior causes the plates to move, sometimes towards and sometimes away from each other.
These rocks collected were as a result of plate tectonics which drifted away.
Which of the following is not true about organic farming?
A) It is more like a natural ecosystem than a monoculture.
B) It occupies a small fraction of U.S. farmland.
C) It minimizes negative environmental impacts.
D) It contributes a large amount to agricultural income.
E) It produces foods that do not contain artificial compounds.
Answer:
B
Explanation:
i took the test
The statement that is not true about organic farming is that occupies a small fraction of U.S. farmland. The correct option is B.
What is organic farming?Organic farmers avoid using synthetic pesticides and fertilizers, which are major contributors to greenhouse gas emissions.
Organic soil organic matter helps crops obtain nitrogen, phosphorus, and other nutrients from healthy soils.
Organic farming is thus important because it is a holistic production management system that promotes and improves agro-ecosystem health, including biodiversity, biological cycles, and soil biological activity.
Many studies have demonstrated that organic farming methods can produce higher yields than conventional farming methods.
Organic farming is an agricultural approach that promotes healthy products free of ingredients that can harm humans and the environment. The statement about organic farming that is not true is that it occupies a small percentage of farmland in the United States.
Thus, the correct option is B.
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What happens to water in the desert after a flash flood?
Please I need this ASAP identify and describe three examples of internal and external factors that regulate cell division
Answer:
External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells. Two of the most important internal factors are kinases and cyclins..
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Sarah likes to explore the stream in her town. One winter there is a lot of rain near the stream
so she is not able to explore for several months.
How might the stream change before the next summer?
A. The stream Will become a deep canyon.
B. The stream water will be shallower
C. The stream will hav dried up
D. The banks of the stream will be steeper
Answer:
A
Explanation:
A
what are 2 stages of photosynthesis, and where does it take place?
Some organisms, such as fish and mosquitoes, produce very large numbers of offspring. Why is producing a large number of offspring important for natural selection?
Answer:
Because a lot of the offspring die
Fish lay lots and lots of eggs but very few survive
It is important, so they can grow up and continue the lifeline of that animal, or that generation of animal
A domestic cat has 38 chromosomes in its skin cells, while a dog has 78 chromosomes. How does this fact help to explain why dogs and cats cannot interbreed?
Answer:
The sex cells could not easily combine to form the body cells of an offspring because of the different chromosome number.
Explanation:
The fact that dog and cats cannot be interbreed because there is difference in the no. of chromosome.
What is interbreeding?
The act of mixing different species or varieties of animals or plants and thus to produce hybrids is called interbreeding.
Dogs have 78 no of chromosome which is similar to the lions and tigers but there is difference in the no of chromosomes which cannot produce viable offspring.
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Animal - Interphase
Animal - Prophase
Animal - Metaphase
Animal - Anaphase
Animal - Telophase/Cytokinesis
Plant - Interphase
Plant - Prophase
Plant - Metaphase
Plant - Anaphase
Plant - Telophase/Cytokinesis
Answer:
plant cell in metaphase
Explanation:
its a plant cell because of the cell wall around it and how it looks like a rectangle and its in metaphase because the chromosomes are in the middle of the cell. hope this helps!
How do wetlands form?
Answer:
groundwater comes to the surface and floods the land
Explanation:
Answer:
Groundwater comes to the surface and floods the land
Explanation:
Wetlands form when water and land meet. Where do we see that it talks about water and land? Well, the last one, when groundwater comes up to the surface and it floods the land, it means that it's touching the land....they meet.
Hope this helped!
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Which of the following would be an example of sustainable land use?
Group of answer choices
Regulating how timber is cut and planted for paper goods
Clear cutting a forest for an agricultural field
Using oceans to put waste in so toxins do not leak into the soil
Deregulating pesticide uses so the best pesticides get used the longest
Answer:
Which choices describes an agriculture that Nigeria Can use to improve soil quality
Explanation:
What type of molecules move by osmosis?
Answer:
Osmosis is the diffusion of water molecules, from a region of higher concentration to a region of lower concentration, through a partially permeable membrane. A dilute solution contains a high concentration of water molecules, while a concentrated solution contains a low concentration of water molecules.
Explanation: