Answer:With more money, peasants were able to afford better housing and many now lived in wattle and daub houses. Wattle and Daub houses were taller and wider than the simple stick and straw houses. They also offered better protection from the weather.
Explanation:
Which is a part of the process of speciation?
A. Increased gene flow
B. Interbreeding between species
C. Fixing alleles
D. Divergence
According to the research, divergence is a part of the process of speciation.
What is divergence?It is the process of speciation in which two closely related species evolve by changing a common ancestral structure in different ways.
In other words, starting from an ancestral structure, different species evolved by adapting to their environment and their needs.
Therefore, we can conclude that according to the research, divergence is a part of the process of speciation.
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how do bacteria associated with legumes provide nitrogen to the plant in a usable form
A. they use it in a chemical reaction producing ammonia
B. they make it into air bubbles and release it
C. they dissolve it in water
D. they get it from sunlight
PLZZZZZZ HELLPPP
Bacteria commonly change ______ to a form that can then be easily assimilated by plant
Answer:
Bacteria commonly change nitrogen to a form that can then be easily assimilated by plant.
What questions you would like to ask your teacher to know about the role of vaccine in prevention of harmful diseases
Answer:
Some questions that can be asked:
1) How does the vaccine work and prevent diseases?
2) Can some people become allergic or have a negative response to vaccines, and How does this work?
3) What causes some vaccines to not work 100% effectively?
4) How do people create vaccines?
I'm not sure if this is what you were asking for, hopefully, this helps.
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Select the correct location on the image.
Where is the protective covering of the axon?
Answer: myelin sheath
Explanation:
The axon is covered by a myelin sheath. The axon passes information to the next neuron or other cell in the body. A myelin sheath.
In plant cells, how are chloroplasts and mitochondria related?
A. Chloroplasts manufacture food;mitochondria break down the food and convert it to energy
B. Chloroplasts package nutrients;mitochondria deliver the nutrients to other parts of the cell
C. Chloroplasts absorb water from the surrounding tissue; mitochondria store water
D. Chloroplasts direct the functions of the cell;mitochondria deliver messages to other parts of the cell.
Answer:
Explanation:
Answer is A
Mitochondria are the "powerhouses" of the cell, breaking down fuel molecules and capturing energy in cellular respiration. Chloroplasts are found in plants and algae. They're responsible for capturing light energy to make sugars in photosynthesis.
A student is investigating the process of osmosis. She fills a medicine dropper with red
blood cells. Next, she creates a saline solution that is isotonic to the red blood cells.What will most likely happen to the red blood cells after they are placed in the
solution?
A. Water will exit the cells and cause them to shrink in size.
B. Water will enter the cells and cause them to grow in size.
C. Water will neither enter or exit the cells and their sizes will remain the same.
D. Water will enter and exit the cells at a steady rate and their sizes will remain
the same.
Answer: D. Water will enter and exit the cells at a steady rate and their sizes will remain the same.
Explanation:
Osmosis occurs when the salt content is NOT the same as our red blood cells: the salt or lack of it causes our RBCs to swell or shrink. Isotonic fluid has the same salt content as our RBCs. This is why it's important to watch salt intake in congestive heart failure.
mitosis is the only type of cellular division in which:
Answer:
itosis is a process where a single cell divides into two identical daughter cells.
Explanation:
Mitosis is the only type of cellular division in which number of chromosomes is maintained
What is mitosis?During the phase of the cell cycle known as mitosis, duplicated chromosomes are physically split in half to form two new nuclei. Mitosis is a method of cell division that results in the production of cells that are genetically similar and in which the total number of chromosomes is preserved. Since this occurs during mitosis, the process is often referred to as equational division.
Mitosis serves a very vital purpose in living creatures, and one of its functions is the regeneration and replacement of worn-out and damaged tissues. Mitosis contributes to the generation of identical copies of cells and, as a result, assists in the process of healing damaged tissue or replacing cells that have been worn out.
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What happens to the original DNA strand after transcription?
Answer:
It changes its form
Explanation:
The DNA strand during this process is copied and "mutate" if I may use the word , the after the new copies are change to molecules that's why at the end of the day we have different blueprints
How do mangroves and coral reefs show mutual relationship?
Answer:
The answers below⤵
Explanation:
Mangroves serve as a shoreline protection.
which two organelles in eukaryotic cells originated from prokaryotes?
Throughout the course of evolution, organelles such as mitochondria and chloroplasts (a form of plastid) may have arisen from engulfed prokaryotes.
Why is meiosis important for sexua
reproduction?
Answer:
Meiosis is important because it ensures that all organisms produced via sexual reproduction contain the correct number of chromosomes. Meiosis also produces genetic variation by way of the process of recombination.
8. What was available for the family's second baby diagnosed with SMA that wasn't available for their
first?
There's no complete cure for it. They can try therapy called Zolgensma. also called nusinersen (Spinraza) and risdiplam (E
The element present in the chlorophyll pigment is
Answer:
full ques..please.. not understanding
Answer:
magnesium atom
Explanation:
The chlorophyll molecule consists of a central magnesium atom surrounded by a nitrogen-containing structure called a porphyrin ring; attached to the ring is a long carbon–hydrogen side chain, known as a phytol chain.
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A population of rhinos in Africa is 112. this year there were 17 births and eight deaths in the population. What is the change in population? Do we have a positive, negative, or zero change in population? How many members are in the new population?
Answer should contain the following information: work for calculating the change in population positive, negative, or zero change in population. work for calculating the new population
Explanation:
Why anti-poaching?Rhinos have inhabited the African continent for over a million years and they play a huge role in their ecosystems. The illegal trade in powders made from their horns, which in some countries in Asia is still considered a medicine or simply a symbol of wealth, nearly led to the extinction of the African rhino.
In 1875, there were still more than 1,000,000 rhinos living in the vast grasslands of Africa. Today the populations of the two species of black rhino and white rhino are estimated to contain about 5,000 and 20,000 animals respectively. The senseless killings continue. Since 2007, the number of rhinos hunted in Africa has increased by almost 9,000%.
It is therefore our call to stop the slaughter of rhinos with all our might.
Use the molecular structures to predict which of the six solutions will test positive for glucose. Write your prediction in the answer space. Provide the reasoning behind your prediction.
The monosaccharides; glucose, fructose and galactose all test positive to Fehlings solution.
Fehlings solution is used as a test for reducing sugars. All reducing sugars that contain aldehydes or ketones all test positive to the Fehlings solution. A positive test is indicated by the formation of a brick - red precipitate on boiling.
The monosaccharides, glucose, fructose and galactose all test positive to Fehlings solution owing to the presence of the C=O group in each compound.
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In an ecosystem, a deer consumes grass. What percentage of energy will the deer acquire from the grass? 0. 1% 1% 10% 100%.
In an ecosystem, the energy is transferred between the organisms participating in the food webs from producers and consumers.
The percentage of energy transferred to the deer after feeding on the grass is 10%.
The 10% law of the energy states that:
1. The food chain at each trophic level passes or transmits only 10% of the energy and 90% of the energy is lost as heat.
2. The amount of energy at each trophic level decreases, such that the producers if consuming the 100 J of energy, the deers or primary consumers at the first trophic level will have only 10% of the energy.
Thus, the deer will possess only 10% of the energy at each trophic level, following the 10% law.
The correct answer is Option C.
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Organisms use different types of adaptations to aid in their survival. Which of the following is an adaptation that would not help a lion to catch its prey?
a.
group hunting
b.
hyoid bone adapted for roaring
c.
camouflage
d.
keen eyesight
Answer:
B. Hyoid bone adapted for roaring.
Explanation:
The process of roaring is unrelated to helping a lion catch its prey unlike the other 3 adaptions which would allow for better success rates in terms of finding and catching prey.
Answer:B
hyoid bone adapted for roaring
Explanation:
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help me pls ASAP it's need
Answer:
slash and burn methods results in soil erosion due to the fact that it causes landslides, dust clouds and contaminated water. Soil washes away during rain and trees are no longer supported by the soil holding their roots in place
Cortical nephrons have their corpuscles near the _________ edge of the cortex and are the ______ common type of nephron.
Answer: the first is Peripheral and the second blank is more
Which type of bond, denoted by the arrows, allows DNA to be readily replicated?
Need for a final will mark brainliest!
Answer:
the answer would be hydrogen bonds as another chemical will come down the center of the double helix and break the hydrogen bonds allowing DNA synthase II to come along a replicate it.
A small group of worms belonging to the phylum ___________ are sometimes referred to as the missing link between Chordates and Echinoderms as they share some basic developmental characteristics of both.
Answer: the answer is Hemichordates
the structure that separates the cochlear duct from the tympanic duct is the
Answer:
the basilar membrane
Explanation:
The tympanic duct or scala tympani is one of the perilymph-filled cavities in the inner ear of humans. It is separated from the cochlear duct by the basilar membrane, and it extends from the round window to the helicotrema, where it continues as vestibular duct.
What normally happens immediately after fertilization in sexual reproduction?
A) drsion of cells resulbng in the development of an embryo from a zygote
B) production of daughter cells having half the number of chromosomes as the parent cell
C) production of daughter cells having twice the number of chromosomes as the parent cell
D) Specialization of cells to form a fetus from an egg
Answer:I don’t know this one.
Explanation:but it should be a
Division of cells resulting in the development of an embryo from a zygote happens after fertilization. Therefore, option "A" is correct.
What is fertilisation?The creation of a single cell known as a zygote by the fusion of a female gamete is egg and a male gamete a sperm. The biological process of fertilization in animals entails the union of a sperm as the male gamete and an egg as the female gamete or ovum.
The three techniques of internal fertilization are oviparity is an egg deposited outside of the female body, oviparity is an egg kept within the female, and viviparity is said to be developed within the female followed by live delivery.
Therefore, fertilization is the first step in the development of the zygote and the development of life.
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PLEASE HELP ME I NEED HELP
Answer:
D
Explanation:
Hope this helps
Answer:
I'm pretty sure its D - hibernation
Explanation:
Torpor means a state of physical or mental inactivity, or lethargy.
Hibernation means an extended period of inactivity.
They are both used for survival in cold weather.
Which of the following situations
demonstrates a chemical change?
A. wood turning to ashes as it burn's
B. ice forming when water is placed in a freezer
C. sugar dissolving in a glass of hot
tea
D. a board becoming smooth as it is sanded
What is the name of the chemical reaction which occurs in the body to release stored energy from food?
[tex]\huge \bf༆ Answer ༄[/tex]
Respiration is the process (chemical reaction) which takes place in the body to release stored energy from food ~
Explain the difference between afferent and efferent neurons.
Answer:
The Difference between Afferent and Efferent Neurons :- Neurons that receive information from our sensory organs (e.g. eye, skin) and transmit this input to the central nervous system are called afferent neurons. Neurons that send impulses from the central nervous system to your limbs and organs are called efferent neurons.Hope this helps you XD !!!what is most likely to result whn a mutation affects the dna sequence
what is the hierarchical structural organization in a multicellular organism
Answer:
cells, tissues, organs, and systems
Answer:
cells, tissues, organs, and systems
Explanation: