Answer:
Taxonomy allows a better understanding of relationships among species.
Explanation:
Taxonomy is important because it allows a better understanding of relationships among species. Thus, the correct option is B.
What is Taxonomy?Taxonomy may be defined as the process of classification of living organisms on the basis of their characteristics.
Carolus Linnaeus, a Swedish botanical taxonomist is known as the father of taxonomy. He was the one who formulate a classical system for defining living plants and animals on the basis of their defining characteristics.
Therefore, taxonomy is important because it allows a better understanding of relationships among species. Thus, the correct option is B.
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Why does salt affect water potential? (Osmosis related)
Answer:
Explanation: Las sales reducen el potencial osmótico del agua, aumentando la necesidad de energía que requieren las plantas para extraer la humedad del suelo, volviéndolas más susceptibles al marchitamiento.
Fragmentation occurs when a large area of ecosystem is divided into smaller, isolated areas due to deforestation. After fragmentation, changes to the ecosystem can occur. Which is most likely an effect of fragmentation on an ecosystem?
a. Animal species in the fragmented area utilize new food sources in the deforested area.
b. Plant species from the deforested area alter conditions at the edge of the fragmented area.
c. The nutrient cycle is replenished by new species colonizing the deforested area.
d. Most native species disappear from both deforested and fragmented areas.
Answer:B
Explanation:
Compare and contrast the TWO classes of "seeded "plants.
Answer:
The seed plants are often divided arbitrarily into two groups: the gymnosperms and the angiosperms. The basis for this distinction is that angiosperms produce flowers, while the gymnosperms do not.
Explanation:
The seed plants are often divided arbitrarily into two groups: the gymnosperms and the angiosperms. The basis for this distinction is that angiosperms produce flowers, while the gymnosperms do not. This is poor form, since it defines the gymnosperms by the absence of a character, and not by any features that the organisms actually share. The gymnosperms do share a number of features, but, as should be obvious from the above cladogram, they are not more closely related to each other than to the angiosperms (Anthophyta). The features shared by gymnosperms were likely present in the early ancestors of the flowering plants as well. It should also be noted that the "progymnosperms" are represented by a box of a different color, in order to make it clear that they are not actually seed plants, but rather are included here because they are believed to be the closest relatives of the seed plants.
Systematics within the seed plants is poorly understood. Part of the problem is that most of the major groups have gone extinct, and several of the groups alive today consist primarily of plants with highly derived morphologies. The above cladogram is based largely on the work of Jim Doyle, a professor at UC Davis, and Michael Donoghue, currently at Harvard, and is therefore somewhat preliminary. It includes some questionable groupings not explicitly supported in their papers.
Which of the following shows a correct base pairing in DNA?
A and G
T and G
C and A
Gand C
Answer: G and C
Explanation: DNA carries the hereditary information for organisms. W ithout DNA, our species would be unable to pass traits from generation to generation. DNA controls all aspects of an organism. It tells spiders how to spin webs, birds to lay eggs, and what color to make your eyes. The genetic information in DNA is stored as special chemical sequences, called chemical bases. The chemicals bases are adenine (A), guanine (G), cytosine (C), and thymine (T). Each base connects with another to form base pairs. Adenine always pairs up with thymine. Cytosine always pairs up with guanine
Structure and Properties of Matter:Question 9
In which two states of matter can a substance take the shape of its
container?
Select one:
O
Liquid and gas
O
Gas and crystal
O
Sod and gas
O
Solid and liquid
Answer:
Liquid and gas
Explanation:
Liquid and gases can take the shape of their contains.
Liquids have not fixed shape and they readily flow.
Gases are random and they occupy the contains they fill .
Volume is the amount of space occupied by a substance. Gases can take up any amount of space in a container. Liquids can readily flow and take up spaces too. Solids are fixed and have a definite volume.When you mix salt with water in a beaker, the salt is no longer visible. What
happens to the salt?
A. The salt changes state from a liquid to a gas.
B. The salt reacts with the water to make a new substance.
C. The salt dissolves in the water.
D. The salt is destroyed by the water.
please help, i’ll mark brainliest if you get it right! please please only answer if you know the answer though, don’t guess i’m taking a test and i can’t fail as it’s the last one before the quarter ends ( tomorrow ) id appreciate it!! thank youuu
Answer:
C. The salt is dissolved by the water
Explanation:
When ionic compounds dissolve in water, the individual ions separate and get surrounded by water molecules—a process called solvation. Because the salt ions are charged, they dissolve much better in a polar solvent, which is also slightly more charged than a nonpolar solvent
Hope this helped, Have a Great Day!!
Define concentration gradient.
Answer:
A concentration gradient occurs when the concentration of particles is higher in one area than another. In passive transport, particles will diffuse down a concentration gradient, from areas of higher concentration to areas of lower concentration, until they are evenly spaced.
Why is soil important and how do we protect it
Answer:
Soil provides plants with foothold for their roots and holds the necessary nutrients for plants to grow; it filters the rainwater and regulates the discharge of excess rainwater, preventing flooding; it is capable of storing large amounts of organic carbon; it buffers against pollutants, thus protecting groundwater ...
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how will you describe the process that is shown in the diagram
Answer:
what diagram are u talking about
Running for a long period of time, such as during a marathon, can result in muscle fatigue. Which process is important to a runner at the end of a marathon?
A. lactic acid fermentation to produce ATP without oxygen
B. Alchoholic fermentation to release carbon dioxide
C. The Krebs cycle to produce NADH and FADH2
D. The electron transport chain to produce ATP
The process that is important to a runner at the end of a marathon is lactic acid fermentation to produce ATP without oxygen (Option A).
Cellular respiration refers to the reactions by which aerobic cells normally produce energy in the form of ATP by using energy stored in the chemical bonds of foods and oxygen.Muscle cells can produce ATP by both cellular respiration (aerobic conditions) and acid lactic fermentation (anaerobic conditions).Acid lactic fermentation is energetically much less efficient than cellular respiration, but ATP production in cellular respiration is much slower than in fermentation, thereby muscle cells use this pathway (fermentation) when they cannot get oxygen fast enough to meet their energy requirement.In conclusion, the process that is important to a runner at the end of a marathon is lactic acid fermentation to produce ATP without oxygen (Option A).
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what is the fundamental unit of matter?
the atom is the fundamental unit of matter.
(hope this helps ^^)
No need to explain, just give me the answer cuz I have to submit my HW in 10 minutes:(
Which molecule drops off its electrons first in the ETC?
1) NADH
2) FADH2
Answer:
I think the answer is NADH
What is the source of oxygen as a reactant in cellular respiration?
Answer:
The Reactants
What goes into the cell? Oxygen and glucose are both reactants of cellular respiration. Oxygen enters the body when an organism breathes. Glucose enters the body when an organism eats.
Explanation:
Hope this helped, Thanks :)
Cellular respiration has been the chemical process that uses glucose to produce energy. Oxygen is the reactant of the process that comes from the air (breathing) produced by photosynthesis.
What is cellular respiration?Cellular respiration has been defined as the process vital for living organisms that use oxygen and sugar molecules to produce energy to drive the activities and functions of the body. The reactant of the process includes glucose and oxygen gas.
Oxygen and sugar are known to be the product of the photosynthetic reaction that uses carbon dioxide and water. The oxygen gas is present in the atmosphere and enters the body through breathing.
Therefore, oxygen acts as a reactant in cellular respiration that comes from the breathing process.
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What system do we use to bind periods, eras, etc., of time together?
Answer:
The Geological Time Scale
Explanation:
The Geological Time Scale is the framework in which the history of the Earth is inscribed. It combines a numerical scale that uses the million years as a unit (chronometric scale) and a scale that is expressed in relative time units (chronostratigraphic scale).
The chronometric scale is based on the measurement of certain physical properties of rocks, generally the relationship between the content of stable and unstable isotopes of the same element.
what do you think about the human and his structure how it's made all the human structure
Answer:
its a thousand of generation evolution i think as of darwins law of evolution
Answer:
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Pls state lamarck's theory
Answer:
Lamarckism, a theory of evolution based on the principle that physical changes in organisms during their lifetime—such as greater development of an organ or a part through increased use—could be transmitted to their offspring
Which system helps regulate body
temperature and water loss?
A. Outegumentary
B. Integumentary
C. Excretory
Answer:
b
Explanation:
Integumentary system helps regulate body temperature and water loss. Thus option B is correct.
What is the integumentary system?In our body integumentary system is present in the outer layer. It’s made up of your skin, nails, hair, and the glands and nerves on your skin. It acts as a physical barrier — protecting your body from bacteria, infection, injury and sunlight. It also helps regulate your body temperature and allows you to feel skin sensations.( like hot and cold.)
Integumentary system present in skin:-
Dermis, epidermis, Hypodermis
Integumentary system present in nails:-
Nail plate, Nail bed, Cuticle, Matrix, Lunula
Integumentary system present in hair:-
Hair shaft, Hair bulb
Functions of integumentary system:-
Provides physical protection against bacteria and germs.Protects you from the sun’s ultraviolet (UV) rays and sunburn.Helps you feel heat, cold and detect other sensations.Synthesizes vitamin D.
Hence, integumentary system is more important in body for the regulate temperature and water loss. Thus option B is correct.
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Which element is not found on most main sequence stars?
Answer:
Nitrogen is the right answer.
Which fact is true about the inner core layer of the earth? A) The inner core is Earth's thinnest layer. B) The inner core provides the magma for volcanoes. C) The inner core is hotter than the surface of the sun. Eliminate D) The inner core contains the least amount of pressure.
Answer:
I believe it is C or B.
I am not completely sure but I hope this helps you!
The inner core is hotter than the surface of the sun. So, the correct option is (C).
What are the Layers of the Earth?
The Earth is made up of three different layers:
1.The Crust
2.The Mantle
3. The Core
1. The Crust
It is the outer layer of the earth which is mainly composed of solid rock of basalt and granite. There are two types of crust which are oceanic and continental.
2. The Mantle
The mantle lies beneath the crust and is up to 2900 km thick and consists of hot, dense, solid rock containing iron and magnesium. The crust and the upper part of the mantle divide the lithosphere into both major and minor plates.
3. The Core
The core is the center of the Earth made up of two parts: the liquid outer core and the solid inner core. The outer core is made of nickel, iron and molten rock.
Thus, the inner core is hotter than the surface of the sun. So, the correct option is (C).
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Can Plastic Waste Degrade Into The Soil?
Yes or no and explain
Answer:
Yes, but the process is too slow
Explanation:
We pack almost everything in this material and plastic has become a very normal occurrence in the modern world. Each year, people used 1.6 million barrels of oil just to make plastic bottles.
On the other hand, nature takes about 1000 years to develop a single plastic object, while plastic material takes about 240 years.
how do skin cells replace itself after an injury?
a) skin cells go through the process of budding to make new identical cells.
b) skin cells go through the procces of mitosis to make new identical cells.
c) skin cells go through the process og photosynthesis to make new identical cells.
d) skin cells go through the process of cellular respiration to make new identical cells.
Answer:
d
Explanation:
as a result of accumulation of waste products in the body , these substances are removed from the body via the skin hence they undergo cellular respiration
Answer:
b) skin cells go through the process of mitosis to make new identical cells.
Explanation:
The skin is the largest organ in the human body; it forms a protective barrier that keeps out external pathogens, and is integral to waste removal. When the organ is injured, damaged cells initiate an immune response, while healthy cells nearby begin to replicate.
This type of cell replication involves somatic cells and results in the diploid number of chromosomes called mitosis. Skin cells are somatic- they contain all 24 pairs of human chromosomes. During replication, the chromosomes are unwound, and copied- then, the newly copied chromosomes separate into two identical daughter cells with the same chromosome number.
Look at the diagram. What is the name of muscle 1?
Enter your answer
2
4
The arm's principal muscle groups are in charge of the upper limb's different movements. These muscles consist of:
What is the location of two-headed biceps brachii muscle ?The two-headed biceps brachii muscle is situated near the front of the upper arm. It is in charge of flexing the elbow joint and supinating (moving the palm upward) the forearm.
Triceps brachii: The three-headed triceps brachii muscle is situated near the rear of the upper arm. The elbow joint's extension is controlled by it.
The brachialis is a muscle in the front of the upper arm, next to the biceps brachii. The elbow joint can flex thanks to it.
Pronator teres: The pronator teres is a forearm muscle that aids in pronating the forearm, or turning the palm downward.
Supinator: The supinator is a forearm muscle that aids in supinating the forearm (turning the palm upward).
Anconeus: The anconeus is a tiny muscle that helps the triceps brachii expand the elbow joint. It is situated at the back of the elbow joint.
Together, these muscles enable a variety of arm movements, including as elbow flexion and extension, forearm pronation and supination, and shoulder joint movement.
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Some scientists predict that if global warming continues over the next few centuries, melting of the polar caps will raise the level of the oceans, causing some peninsulas to become islands. How might this change eventually affect the species that live on these peninsulas
5. Describe the different causes of climate change.
Answer:
natural factors, changes in the sun, emissions from volcanoes, variations in Earth's orbit and levels of carbon dioxide.
Explanation:
What effect does increased carbon dioxide
have on global temperatures? (two complete
sentences minimum)
Answer:
Carbon dioxide increases temperatures, extending the growing season and increasing humidity. Both factors have led to some additional plant growth. However, warmer temperatures also stress plants. With a longer, warmer growing season, plants need more water to survive.
Explanation:
There are 150 Saguaro cactus plants per square kilometer in a 10-square-kilometer area of Arizona desert. To which population characteristic does this information refer
Answer: Population Density.
Explanation:
Population density, this is known as the number of people per unit of area, it is usually denoted with per square kilometre or square mile, population density can be calculated for a county, city, or plants as in this question.
Which tells us the population density of saguaro cactus plant to be 150 per square kilometres.
Can someone pls help me with this (8th grade science)
Answer:
A
Explanation:
As he kicks the ball the speed increases, where he kicks the ball also is a factor, since he kicks it in the same direction that is why it is choice A.
Molecules that make up living things and contain carbon are called __________ molecules.
Molecules that make up living things and contain carbon are called organic molecules.
Organic molecules are those that derive their three-dimensional configurations primarily from their carbon skeletons.
Organic molecules are essential for the birth, development and functioning of all cells that make up living organisms.
About organic molecules:
All organic molecules contain carbon and practically always hydrogen, it is also frequent that they have oxygen or nitrogen.These chemical elements enable multiple and covalent bonds to be established, allow carbon atoms to develop three-dimensional skeletons, and give rise to multiple functional groups. Proteins, vitamins, carbohydrates, lipids, and nucleic acids are organic biomolecules, which are synthesized by living organisms.Therefore, we can conclude that molecules that make up living things and contain carbon are called organic molecules, which a living being needs to develop normally.
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When we breathe, we inhale oxygen and release carbon dioxide. What cell process does our body use the oxygen for?
A. Photosynthesis
B. Cellular respiration
C. Osmosis
Answer:
Cellular respiration
Explanation:
This is because if you see Photosynthesis is used for plants to get a food source from the Sun. Osmosis is the movement of chemicals from a less converted membrane to a more. I think i said that wrong but. I am sure it is cellular respiration which is the despirsion of waste products. So yeah Answer is Cellular respiration