Answer: A
Explanation: due to gravity and aliens the pollen moves upwards instead of downwards , so taht bees can better access it .
Easy 50 Points
21. ____________ igneous rocks solidify beneath the surface.
22. ____________ cooling allows time for large crystals to form.
23. Sediments are laid down, or __________, before they can be formed into sedimentary rocks.
24. Fluids that crystallize in the spaces between the loose particles of sediments create rock by ____________.
25. __________ metamorphism changes enormous quantities of rock over a wide area.
26. ____________ metamorphism changes a rock that is in contact with magma because of the extreme heat.
27. In a metamorphic, minerals separate by __________ into lighter and darker bands.
28. The rocks that form from an erupting volcano are __________ __________ rocks.
29. Cemented sediments become ___________ sedimentary rocks.
30. ___________ occurs when sediments are squeezed together by the weight of overlying sediments on top of them.
Answer:
21. Intrusive igneous rocks solidify beneath the surface.
22. Slow cooling allows time for large crystals to form.
23. Sediments are laid down, or Compacted, before they can be formed into sedimentary rocks.
24. Fluids that crystallize in the spaces between the loose particles of sediments create rock by Cementation.
25. Regional metamorphism changes enormous quantities of rock over a wide area.
26. Contact metamorphism changes a rock that is in contact with magma because of the extreme heat.
27. In a metamorphic, minerals separate by Bedding into lighter and darker bands.
28. The rocks that form from an erupting volcano are Extrusive Igneous rocks.
29. Cemented sediments become Clastic sedimentary rocks.
30. Lithification occurs when sediments are squeezed together by the weight of overlying sediments on top of them.
The correct blanks are Intrusive, Slow, deposited, cementation, Regional, Contact, Foliation, volcanic, igneous, lithified, and Compaction.
Igneous rocks are a type of rock that forms from the solidification and crystallization of molten material, known as magma or lava.
Intrusive igneous rocks, also known as plutonic rocks, form when molten magma cools and solidifies beneath the Earth's surface.When molten magma or lava cools slowly, it provides sufficient time for the atoms and molecules within the molten material to arrange themselves in an orderly manner. The process of deposition refers to the settling or accumulation of sediments, which are fragments of rocks, minerals, organic matter, or other particles, onto a surface.Cementation is a process in which minerals in fluid form, often dissolved in groundwater, precipitate and crystallize within the pore spaces of sedimentary materials. During regional metamorphism, large volumes of rock are subjected to significant heat and pressure, typically deep within the Earth's crust. Contact metamorphism, also known as thermal metamorphism, occurs when a rock comes into direct contact with magma or an igneous intrusion.Foliation refers to the parallel alignment of minerals or the development of compositional layering within a metamorphic rock. Volcanic igneous rocks are classified as extrusive igneous rocks because they are formed from lava that has extruded onto the surface.The process of lithification involves the transformation of loose sediments into solid sedimentary rocks.Compaction is a key process in the lithification of sedimentary rocks. It takes place as layers of sediment accumulate over time, and the weight of the overlying sediments exerts pressure on the underlying layers.Thus, the correct blanks are Intrusive, Slow, deposited, cementation, Regional, Contact, Foliation, volcanic igneous, lithified, and Compaction.
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Where is dna found
1. Molecules
2. Elements
3.cells
Answer:
3
Explanation:
Answer:
the dna is found in the cell nucleus
Explanation:
Which type of organism developed first?
A. Chordates
B. Vertebrates
C. Deuterostomes
D. Sponges
Answer: D sponges, i just got this wrong lol
Explanation:
Why sponges develop first?
Sponges belong to the oldest and most simple animals that had evolved, and their discovery in such old rocks meant that they may have been the first animals.
How did sponges evolve?
Among extant animals, only sponges could have evolved directly from protozoa without changing feeding mode.
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what is the term for when the moon appears to be filling with light
Answer:
full moon
Explanation:
Identify the type of energy described in each sentence.
gravitational energy
mechanical energy
chemical energy
electrical energy
thermal energy
nuclear energy
radiant energy
The body stores lipids ingested as fat and uses this energy when needed.
A person’s hat falls off and lands on the ground.
A wave of water pushes a surfer to shore.
A burner on a stove heats up a tea kettle.
A power plant splits atoms to generate power for a city.
A nerve sends an impulse to another nerve.
A plant absorbs the Sun’s rays to start the process of photosynthesis.
Answer:
chemical energy: The body stores lipids ingested as fat and uses this energy when needed.
gravitational energy: A person’s hat falls off and lands on the ground.
mechanical energy: A wave of water pushes a surfer to shore.
thermal energy: A burner on a stove heats up a tea kettle.
nuclear energy: A power plant splits atoms to generate power for a city.
electrical energy: A nerve sends an impulse to another nerve.
radiant energy: A plant absorbs the Sun’s rays to start the process of photosynthesis.
Explanation:
Describe a few ways in which an individual person can help protect biodiversity.
Answer:
An individual person can help protect biodiversity in multiple ways.
This person can educate themselves on biology and learn exactly what the problem is.This person can educate others once learning about it himself.This person can advocate for the environment.This person can cut down on their waste, lessening the amount of trash going into the environment.This person can be aware of what he buys and how it affects biodiversity.Explanation:
I don't know if this was the answer you're looking for, but I hope it's a start!
The changing of the rivers created more ____________ for animals
aRegeneration
bVegetation
c Erosion
d Habitats
Answer:
D) Habitats for animals.
Explanation:
It depends what the question means when it says 'the changing of the rivers'. I took it as the rivers are changing size and becoming more spread out. In that case, I chose habitats.
The more water there is, the more habitat there is for sea life.
All in all, the correct answer is D).
Complexity is a measure of how difficult it is to understand something. What is an example of complexity in the natural world?
Answer:
Answer:
Multicellular organism is the example of complexity of the natural world.
Explanation:
Multicellular organism such as human which is made of billions of cell. Each cell perform a specific function. The function of one organ is different from the other organ. For example, brain of human is made of millions of neurons which takes instructions from brain to the organs and bring messages from organs to the nervous system in the form of electrical impulses. In short every system in our body is full of complexity.
What is a “shared derived character”?
Answer:
A shared character is one that two lineages have in common, and a derived character is one that evolved in the lineage leading up to a clade and that sets members of that clade apart from other individuals.
Answer:
A shared character is one that two lineages have in common, and a derived character is one that evolved in the lineage leading up to a clade and that sets members of that clade apart from other individuals. Shared derived characters can be used to group organisms into clades. For example, amphibians, turtles, lizards, snakes, crocodiles, birds and mammals all have, or historically had, four limbs. If you look at a modern snake you might not see obvious limbs, but fossils show that ancient snakes did have limbs, and some modern snakes actually do retain rudimentary limbs. Four limbs is a shared derived character inherited from a common ancestor that helps set apart this particular clade of vertebrates.
what is the role of a cytoplasm
Answer:
Cytoplasm is responsible for giving a cell its shape. It helps to fill out the cell and keeps organelles in their place
Explanation:
Cytoplasm contains molecules such as enzymes which are responsible for breaking down waste and also aid in metabolic activity.
explain the difference between the principles of overload and progression
True or false? To make up for the loss of energy when solar energy is used by primary producers and then transferred up the food chain, a continuous supply of solar energy to the ecosystem is required.
Answer: Energy can not be lost, rather it can be converted into other forms of energy , so false.
Explanation:
To make up for the loss of energy when solar energy is used by primary producers and then transferred up the food chain, a continuous supply of solar energy to the ecosystem is not required. Thus, the given statement is false.
What is energy cycle in an ecosystem?The energy flow in the ecosystem is important to maintain an ecological balance in the ecosystem. The producers in a food chain synthesize food by the process of photosynthesis. A part of this energy is stored within the plant species.
The energy cycle in an ecosystem is based on the flow of energy through the ecosystem. The energy from sunlight is converted by the plants them into the growing new plant materials including the flowers, fruits, branches, trunks, and roots of the plants. Since, the plants can grow by converting solar energy directly into their tissues.
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what is the best definiton of genetically motified foods? HURRYYY!!! please and thank youuuu
Answer:
GMO, or genetically modified foods, are foods that are messed with genetically by science to better benefit the human race. For example, scientists might replace genes that give corn a lower harvest, with a different gene in corn that makes a higher amount of harvest.
Explanation:
You could also look it up. Just search "GMO".
Which organisms would have the most similar traits?
Answer:
Organisms in the same family will have the most similar traits.
Organisms mostly will be the same when they are in the same family, and if there are two organisms in different families that look alike, it will be a coincidence.
Answer: organisms in the same order
Yeet Skeet
Edit: Nevermind! I figured it out!!
Use the information in the table to calculate the ages of the meteorites. The half-life of potassium-40 is 1.3 billion years.
Meteorite Initial Amount(g) Final Amount(g)
1 30 7.5
2 80 5
3 100 12.5
Use your calculations to answer the questions.
How old is meteorite 1?
How old is meteorite 2?
How old is meteorite 3?
Answer:
meteorite 1- 2.6 billion
meteorite 2- 5.2 billion
meteorite 3- 3.9 billion
Answer:
meteorite 1- 2.6 billion
meteorite 2- 5.2 billion
meteorite 3- 3.9 billion
Explanation:
what will happen if the cilia cleared the mucus?
Answer:
You sneeze
Explanation:
I think so, when the cilia clears the germs you sneeze
Which would be the most dangerous to swallow?
A. thermoacidophiles
B. halophiles
C. Escherichia coli
D. a bacteriophage
Answer:
D. a bacteriophage
Explanation:
A. and B. need extreme environments to survive.
C. is actually beneficial to us, especially in the digestive tract.
D. is a type of virus!
2 Points
Which best describes the blood flowing in a vein?
O A. It moves toward the heart.
B. It contains no red blood cells.
O C. It is oxygen rich.
D. It contains no white blood cells.
Which statements about mutations are true? Check all that apply.
A. Mutations cannot be passed from generation to generation.
B. Mutations are rare.
C. Mutations are always harmful.
D. Germline mutations occur in body cells.
E. Most forms of cancer are caused by somatic mutations.
Answer:
most forms of cancer are caused by somatic mutations
Explanation:
Answer:
B & E
Explanation:
Just did it and got it right
A gene mutation is when chemical changes occur in DNA of individual cells. True or False
Answer:True
Explanation:
Answer:
true
Explanation:
1. In a sample of double-stranded DNA, 10% percent of the nitrogenous
bases are guanine (G). What percentage of the nitrogenous bases in the
sample are cytosine (C)?
10%
80%
40%
90%
Answer:
10
Explanation:
Why do we need human dna
DNA. Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions for the development and function of living things.
All known cellular life and some viruses contain DNA. The main role of DNA in the cell is the long-term storage of information.
We need human DNA since it give us the long term info storage, which is needed
DNA contains instructions for development, survival, and reproduction. DNA sequences must be translated into signals to make proteins, which do most of our body's job.
What is human genome?DNA stores the instructions that are necessary for an organism to grow, maintain its existence, and reproduce itself. In order for these duties to be carried out, the sequences of DNA need to be transformed into messages that can be utilized in the production of proteins. Proteins are the complex molecules that are responsible for the majority of the work that is done in our bodies.
The human genome is comprised of all of the nucleic acid sequences that are found in humans. These sequences are stored as DNA within the 23 chromosome pairs that are found in the nucleus of cells, as well as in a tiny DNA molecule that is located within the mitochondria of each individual cell. In most cases, these are considered to be two distinct components: the nuclear genome and the mitochondrial genome.
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Predict the most likely outcome of culturing transformed E. coli in the presence of tetracycline.Justify your prediction.
Answer:
E.coli is a bacterium which is preffered for transformation due to its rapid growth and high efficiency of introduction of DNA molecules into cells.
Tetracycline is an antibiotic used to treat several infections such as cholera, plague, brucellosis, and malaria etcetra.
Plasmid is a small, extrachromosomal DNA molecule present in cell which is seprated from chromosomal DNA and have ability to replicate independently.
When a plasmid resistant to tetracycline and kanamycine is inserted into E.coli, the process is called transformation. E.coli might not be able to survive due to absence of plasmid but the transformed strains having antibiotic tetracycline and kanamycine will probably be able to survive it.
Hence, the culture of bacteria carrying plasmid will be able to survive only.
Maximum transformation to tetracycline achieved when cells were harvested from L broth at 5.0-6.0 cfu/ml , followed by washing twice in cold.
The susceptibility of E.coli strain to culturing transformation by plasmid DNA was examined and optimized.
TransformationCells grown within the presence of D - cycloserine ( Cyc ) rather than Neg Gram (N x) transformed better. The presence of 5 mm Mg2+ ions in washing and CaCl2 solutions stimulated transformation about 2-fold.
Optimal conditions for transformation included a pH range of seven. 25-7.75 and a cell-to-DNA ratio of about 1.6 . 10(8) cfu/ng plasmid DNA.
The frequency of transformation was highest when cells were exposed to 100 mM CaCl2 in 250 mm.
Composition[tex]\rm KCl + 5 mM \;MgCl2 + 5 mM \;Tris[/tex]
pH 7.6, before mixing with DNA
Therefore, the results of culturing transformed E.coli within the presence of tetracycline is justified.
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What are the five evidences that a chemical change has taken place ?
Answer:
Odor, temperature change, precipitate formation, production of gas bubbles, and a color change!
Explanation:
No explanation needed really.
A heterozygous Tall plant is crossed with a heterozygous Tall plant
What percent of the offspring will be heterozygous?
Select one:
A. 100%
B. 50%
C. 25%
D. 75%
Answer:c
Explanation:sorry if this wrong don’t trust me!
Marijuana is a(n)
a. depressant
b. stimulant
c. hallucinogen
d. opiate
Answer:
Marijuana is a stimulant.
Answer: Marijuana is a stimulant.
What is sexual selection
Bacteria are usually classified by
Answer: Bacteria are classified into 5 groups according to their basic shapes: spherical (cocci), rod (bacilli), spiral (spirilla), comma (vibrios) or corkscrew (spirochaetes). They can exist as single cells, in pairs, chains or clusters. Artwork of bacterial cells becoming resistant to antibiotics.
Explanation:
How is the epithelium suited for the substances ?
Answer:
Epithelial tissue is composed of cells laid together in sheets with the cells tightly connected to one another. Epithelial layers are avascular, but innervated.
Epithelial cells have two surfaces that differ in both structure and function.
The epithelial cells are nourished by substances diffusing from blood vessels in the underlying connective tissue. One side of the epithelial cell is oriented towards the surface of the tissue, body cavity, or external environment and the other surface is joined to a basement membrane. The basement layer is non-cellular in nature and helps to cement the epithelial tissue to the underlying structures.
With more carbon in the atmosphere, what do you think will happen to the environment
Answer:
Global warming
Extra carbon dioxide in the atmosphere will increases the greenhouse effect. More thermal energy is trapped by the atmosphere, causing the planet to become warmer than it would be naturally. That increases the Earth's temperature which is also called Global Warming
