Answer:
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Explanation:
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A(n) ______ is the interaction that allows for atoms to join together.
A. electron cloud
B. molecular formula
C. chemical bond
D. valence electron
Answer: Chemical bond
Explanation: Chemical bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms. The bond is caused by the electrostatic force of attraction between opposite charges, either between electrons and nuclei, or as the result of a dipole attraction.
Answer: c: chemical bond
Explanation:
Chemical bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms.
Of the following 4 phyla, which has the fewest species?
A. Hepaticophyta
B. Ginkgophyta
C. Coniferophyta
D. Anthophyta
Answer:
B. Ginkgophyta - Estimated Number of Species: 1
Explanation:
Hepaticophyta - Estimated Number of Species: 9,000
Coniferophyta - Estimated Number of Species: 600
Anthophyta - Estimated Number of Species: 250,000
I hope this helps
Of the following four phyla, the phylum which has the fewest species is the Ginkgophyta. Thus, the correct option is B.
What is Ginkgophyta?Ginkgo is a genus of the non-flowering seed plants. The scientific name used for Ginkgo is also used as the English name. The order to which it belongs is called as Ginkgoales, they are first appeared in the Permian time scale, about 270 million years ago, and Ginkgo is now the only living genus present on the planet within the order.
Ginkgophyta is the phylum which is fewest species. Two of the three genera of the ginkgophytes are Ginkgoites and Baiera, these are extinct. The third genus is the Ginkgo, it has only one member, Ginkgo biloba, which is commonly called as the ginkgo tree.
Therefore, the correct option is B.
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Can someone help me with this
True or false spermatogenesis is results 4 egg cells capable of surviving
Evolution is change in a population over time and includes the gene pools of that population. How does biogeographic
isolation allow for the change of gene pools over time?
O Biogeographic isolation affects the random changes that take place within gene pools.
O Biogeographic isolation causes changes in gene pools that result from populations being separated.
O Biogeographic isolation determines who will win competition for mates
O Biogeographic isolation determines the time that populations will breed
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Alec saw footage of a landslide on the news. He saw rocks falling from the side of a mountain, with some of them smashing into each other and breaking apart. Alec witnessed
A.
erosion and weathering.
B.
erosion and compacting.
C.
weathering and compacting.
D.
weathering and sedimentation.
Answer: C. weathering and erosion
Question 8 (3 points)
Using the diagram below, identify the ONLY portion of the nucleotide that is not the same in every piece of DNA. (phosphate, sugar, or base)
Answer:
Base
Explanation:
Deoxyribonucleic acid, DNA, is one of the four major biomolecules in living organisms. It is a polymer made up of monomers called NUCLEOTIDES. The nucleotides that make up a DNA molecule is composed of three substances namely: Sugar (deoxyribose), nitrogenous base, and a phosphate group.
However, among these three components of the nucleotide monomer, NITROGENOUS BASE is the only portion that is not the same in every DNA molecule. There are four nitrogenous bases in nature viz: Adenine, Guanine, Cytosine and Thymine. These four bases can be alternated in a DNA molecule.
Note that, phosphate group and deoxyribose sugar are constant in every DNA.
1.
Earth's axis slowly but continuously points in different directions, a movement known as
O revolution
O retrograde motion
O rotation
O precession
Answer:
revolution
Explanation:
I got it correct
The non directional movement of a plant part in response to temperature is called ____________
Answer:
thermotropism
Explanation:
Uh, yup.
Answer:
so you know that it is 65,987
Explanation:
The water molecule is polar. What does this mean?
Answer:
polar means top or south
Explanation:
What two things can happen to pyruvic acid? Explain both
Explanation:
Pyruvic acid supplies energy to living cells through the citric acid cycle (also known as the Krebs cycle) when oxygen is present (aerobic respiration), and alternatively ferments to produce lactic acid when oxygen is lacking (fermentation).Hope it helps
What type of organism(s) do photosynthesis
Answer:
Plants
They turn carbon dioxide and water into glucose and oxygen.
Cheers! :)
Answer:
plants and algae do it
Explanation:
What parenting style is characterized by reasonable demands and high responsiveness, "Let's figure this out together"?
a. Authoritative
b. Permissive
c. Neglectful
d. Authoritarian
Answer:
a.AuthoritativeExplanation:
Authoritative parenting is characterized by reasonable demands and high responsiveness because kids raised by authoritative parents are more likely to become independent, self-reliant, socially accepted, academically successful, and well-behaved. They are also less likely to report depression and anxiety, and less likely to engage in antisocial behavior like delinquency and drug use.Need answer quick please!!
Which statement best summarizes how a parasite such as a tapeworm
causes disease?
A. Parasites use living cells to make new copies of themselves.
B. Parasites reproduce best in warm, moist environments.
C. Parasites are made up of genetic material surrounded by a
protein.
D. Parasites take nutrients from another organism's body.
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Answer:
D. Parasites take nutrients from another organism's body
Parasites by definition leech off of their hosts by stealing nutrients
why protozans are called ammonotelic
Answer:the process of excreting nitrogenous waste in the form of ammonia
Explanation:
Which of the following plant is associated with Chronic Obstructive Pulmonary Disease in horses?
a.Eupatorium adenophorum
b.Lantana camara
c. Quercus griffithi
d. Bracken Fern
PLEASE HELP MARKING PEOPLE AS BRAINLIST ALL DAY!
Which of the following organelles would not be present in the nerve cell of the humpback whale?
A. Plasma membrane
B. Cell wall
C. Mitochondria
D. Lysosome
What could a human living now and a horse living thousands of years ago have in common? O A. They have the exact same DNA. B. They both get their energy directly from the sun. C. They need the same amount of energy to survive. D. They are made of some of the same matter.
Answer:
D. They are made of some of the same matter.
Explanation:
30 POINTS PLZ helppp
The table below shows salinity tests from coastal Louisiana following a salt water influx during hurricanes Katrina and Rita. If efforts are not made to reduce the salinity in these areas, what is the most likely long term effect?
A growth in the population of salt-intolerant types of plants
A shift in species composition to less salt-tolerant plants
A shift in species composition to more salt-tolerant plants
An increase in the diversity of salt-intolerant plants
A shift in species composition to less salt-tolerant plants is the most likely long term effect.
What are the characteristics of salt-tolerant plants?The salt tolerance test is performed using Tryptic Soy Broth with added sodium chloride (regular table salt) to create an overall salt concentration of 6.5%. It is a selective medium which tests the ability of an organism to survive in a salt-rich environment.
The salt tolerance of a plant is often defined as the degree to which the plant can withstand, without significant adverse effects, moderate or high concentrations of salt in water on its leaves or in the soil within reach of its roots.
Hypersensitivity to catecholamines may be the cause of salt sensitivity. A low sodium concentration in saliva deserves further study as a simple screening test to identify salt-sensitive subjects.
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What is ATP, and where is it made in your cells?
I need help asp
Answer:
ATP is Adenine Triphosphate and our cells use it for energy
It is produced in the mitochondria through cellular respiration
Explanation:
12 Which statement best describes an interaction between the muscular system and the
respiratory system?
F The hormone adrenaline causes blood vessels to contract and send more blood to maja
muscles.
G Metabolic wastes generated by muscle cells are eliminated in urine.
H The diaphragm contracts causing the chest cavity to expand, which draws air into th-
lungs.
Nutrients absorbed in the small intestine are transported in blood to the brain.
body cystems A student made a partial
J
Answer:
the diaphragm contracts causing the chest cavity to expand, which draws air into the lungs
Explanation:
what about cytokinesis
Answer:
Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells. ... Cytokinesis performs an essential process to separate the cell in half and ensure that one nucleus ends up in each daughter cell. Cytokinesis is the part of the cell division process during which the cytoplasm of a single eukaryotic cell divides into two daughter cells. Cytoplasmic division begins during or after the late stages of nuclear division in mitosis and meiosis.
Explanation:
Brainliest please?
A wave with a frequency of 400 Hz is traveling at a speed of 100 m/s. What is the wavelength?
The velocity (speed) of a sound wave (any wave in fact) is related to its frequency and wavelength by the equation . This is easy to remember since it's a distance divided by a time because frequency is the inverse of the period.
Since for sound traveling through the given solid object we have that and , the speed of sound will be:
this is what i looked up and got
During rain events, runoff brings an excess of nutrients (that have collected and become
stagnant on land), like nitrates, into the ocean. This spike in nutrients is called eutrophication.
Think of the effects of this change and answer the questions below:
a. Nitrogen is often the limiting factor in an environment for photosynthetic autotrophs (such as
plants and algaes). Draw a logistic growth graph representing the population of algae in the coastal ocean.
Answer:
please don't take my answer too seriously, I'm not too sure how to represent the algae part, but the nitrite part is pretty true. - an aquarist
Explanation:
Help pretty please!!!! Which of the following graphs matches the data in the above table?
The grains of sedimentary rock a. are cemented together c. are often displayed in more than one size b. form an interlocking texture d. are usually large Please select the best answer from the choices provided A B C D
Answer:
b hnwmnwD
Explanation:
Answer is b
Explanation: i got it right
Which of the following items are pure elements-that is, made up of only one type of atom? Check all that apply.
-Iron
-Carbon
-Cheese
The items that are pure elements are Iron and Carbon
Pure elements are one that contains a single form of atom i.e., one kind of particle.
Iron (Fe) is a metal that belongs to pure elements as it has homogenous chemical composition. It cannot be broken by any chemical methods because it is the simplest form of the element. Similarly, Carbon (C) is also a pure element with homogenous chemical composition.
On the other hand, Cheese is a mixture. The basic ingredients used for the production of cheese are milk, salt, starter culture, and rennet. These result in cheese with constituents of milk, microorganisms and breakdown products of the reaction which contributes to the color and flavor of the product.
Therefore, Iron and Carbon are the pure elements
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Which of the following body locations contains cells with the largest surface-area-to-volume ratio?
A.
Jaw bones, in order to increase the speed of communication.
B.
Shoulder muscles, in order to provide strength in movement.
C.
Hair follicles, in order to grow quickly.
D.
Lungs, in order to exchange oxygen and carbon dioxide with the environment.
Answer:
D
Explanation:
lungs have cells with the largest surface area to volume ratio because the gases,(oxygen and carbon dioxide),need to diffuse in and out of the body quickly
I need help anybody can help me please?
Answer: D
Explanation:
1) If all Americans together consume 200 billion more calories than required,
how many additional people could be fed by this excess?
8,000,000,000
800,000
8,000,000
80,000,000
Answer: 80,000,000
Explanation:
Based on data from the World Bank in 2008, Americans consume a disproportionate amount of calories in relation to their population with Americans consuming 24% of the world's energy while only being 5% of the population.
It was estimated that Americans were consuming 200 billon more calories than was required and that this was enough to feed an additional 80 million people.