Answer:
5
Explanation:
4
......"...................."
By comparing and contrasting morphological or genetic traits of an organism, patterns can be used to determine its common ancestry. When species exhibit comparable traits, it shows that those traits were inherited from a common ancestor. On the other hand, when organisms exhibit different characteristics, it implies that they diverged from a common ancestor and evolved separately.
What are patterns used in common ancestry?In genetics, common ancestry can be determined using patterns in DNA sequences or protein structures. A high degree of similarity between the DNA or protein sequences of two or more species indicates a tight relationship and a more recent common ancestor.
In contrast, different DNA or protein sequences within species indicate a more distant common ancestor and a more distant relationship between them. Scientists can reconstruct the evolutionary history of many animals and find patterns of common ancestry by comparing the DNA sequences of those organisms.
Therefore, by comparing and contrasting morphological or genetic traits of an organism, patterns can be used to determine its common ancestry.
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Other minerals, such as ___________________, are needed in small amounts.
Answer:
iron, zinc, iodine, fluoride, selenium and copper.
Choose the importance of biodiversity. *
(a) Provides us with various and large amount of food.
(b) Supports interactions between plants, animals and microorganisms to create the balance of nature.
(c) Generate agricultural action.
(d) Expands engineering field.
(e) Provides raw materials for industries.
(f) Provides us with medicine
Answer:
everything is important in your options which suits to biodiversity
a beacause this is just logic
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Modern whales lack hind limbs, and have tail flukes and ears specialized for hearing underwater. Which of the following is the correct order for the evolution of these whale characteristics?
A) Loss of hind limbs followed by tail flukes and underwater ears
B) Loss of hind limbs followed by underwater ears and tail flukes
C) Tail flukes followed by loss of hind limbs and underwater ears
D) Underwater ears followed by tail flukes and loss of hind limbs
Answer:
The correct answer is B) Loss of hind limbs followed by underwater ears and tail flukes.
Explanation:
Scientists estimate that the evolution of the Whale in the form which it now takes started approximately 50 Million years ago.
The most likely land animal to have taken the step to move back into the ocean is said to be the Bear. Even today, bears are known to be excellent swimmers and can swim and hunt in water and underneath it.
Other animals that have been suspected to have made this move, hence being the animal that evolved is the Hippopotamus.
Their transition is estimated to have taken only 10 million years. According to some scientists, this is the shortest time ever taken for any evolutionary transition to occur.
Why would a successful land animal transit into the sea? The answer is attributed to opportunity. Opportunity to feed even better and hence survive.
This is why the teeth is reported to have evolved first.
The next most immediate need for the transiting mammal was the ability to maneuver in its new environment - the waters. Hence the next evolutionary step was modified or specialized ears which helped them to hear properly and navigate underwater.
After this was the changes that occurred to their limbs.
nScientists refer to the Ambulocetus as the species that connects the dots on this one. It is said to have had specialized teeth for hunting, limbs that were already adapted for underwater swimming and hunting but whose tail was still intact as that of a land animal.
Cheers
Answer:
Underwater ears followed by tail flukes and loss of hind limbs.
how dose light dependent reactions transform light energy into stored chemical energy
Answer:
The process of photosynthesis converts light energy to stored chemical energy by converting carbon dioxide plus water into sugars plus released oxygen.
Four substances are involved in both photosynthesis and cellular respiration. They are sugars, water, oxygen, and carbon dioxide. Describe what happens to these four substances during photosynthesis
Answer:
Explanation:
Photosynthesis is a light catalyzed chemical reaction that occurs in nature by all plants.
The process involves the reaction between carbon dioxide and water in the presence of sunlight.
This in turn produces glucose and oxygen gas.
The reaction expression is given as:
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
So, food is produced at the end of the reaction in form of glucose. In terms of energy, light energy is transformed into chemical energy stored in glucose.
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they each have different steps, but always have the same cycle
ANSWER QUICK!!
FILL IN THE BLANK: When a person inherits a __ allele, that trait is the one that will __ __
Answer:
its C
Explanation:
what is not a cause of melanoma
Answer:
malaria
Explanation:
What do DNA replication, transcription and translation have in common?
Answer:
They both are involved in making copies of the DNA
Explanation:
The diagram below shows the stages of mitosis.
The original cell, X, contains N number of chromosomes. How many chromosomes does cell Y contain?
Answer:
1/2N
Explanation:
took the quiz
Answer:
2N
Explanation:
I’m reviewing this with my teacher.
In the cell , amino acids molecules combine to form what?
A. Fiber Molecules
B. Protein Molecules
C. Water Molecules
D. Starch Molecules
( choose one )
Answer:
B I think let me know if it's correct or wrong
The appearance of free oxygen in the earths atmosphere led to the "great oxidation event" where did all of this oxygen come from
Answer:
So there's a simple explanation for the Great Oxidation Event. It was the cyanobacteria, pumping out unwanted oxygen, that transformed Earth's atmosphere. ... That means the cyanobacteria were busy pumping out oxygen for at least half a billion years before oxygen started appearing in the air.
Explanation:
How did a change from the normal red blood cell shape most likely originate?
Answer:
From a mutation in the DNA of a gene
Explanation:
How is population movement related to competition?
Name the two things the fetus does in preparation for birth.
Answer:
During the 28th and 32nd weeks of pregnancy, the baby will begin turning itself into a head-down position, and the baby will also move lower in the pelvis.
Explanation:
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Which of the following correctly lists the parts of the water cycle?
A) Evaporation, condensation, temperature, precipitation, collection
B) Condensation, build-up, runoff, precipitation, collection
C) Runoff, precipitation, evaporation, melting, condensation
D) Evaporation, condensation, precipitation, runoff, collection
Explain why
Answer:
D
Explanation:
Answer: D) Evaporation, condensation, precipitation, runoff, collection
==============================================
Explanation:
Evaporation is the process of liquid water turning into gas (ie water vapor). The more water vapor in the air increases the humidity. The sun provides much of the energy for water to evaporate; however, some water droplets can evaporate simply due to the warm temperature even if direct sunlight isn't involved.
Condensation is when the water vapor as a gas turns into liquid again. An example of this is when you have a glass of cold water filled with ice. Note how the exterior surface of the glass will have droplets of water run down. We say that the glass "sweats". This occurs because the water vapor in the room cools down to a point it turns back into a liquid. If there wasn't any water vapor in the air (ie no humidity at all), then the glass wouldn't sweat. Anyway, as a bigger picture, when the water vapor in the air cools down it turns into water droplets that form clouds.
When the clouds are big enough, the water droplets will fall to the ground. This is called precipitation. Normally this means rain, but if the droplets are cold enough, then you could have hail, sleet, and/or snow.
After the water falls to the ground, it's now on the surface and we consider this surface runoff. Or simply runoff for short. A good example would be a river or a stream.
Lastly, collection is the final step of the water cycle before it restarts again. Collection is when water is absorbed into the soil or used by a person or animal. Keep in mind that even if the water is in the collection phase, it doesn't mean it's stuck in this phase forever. It will most likely be released back into the environment somehow to restart the water cycle over again. If water got trapped in this phase, then the water cycle wouldn't be possible. Some pockets of water are trapped underground, but most water gets fed back into the cycle again.
Question 6 options:
The most commonly thought of fossil is when (blank)
seep in over time and replace the (blank)
and other hard tissues of dead animals, leaving stone in the shape of their skeleton.
Answer:
Permineralization.
Explanation:
Fossils is the marks or part of body left of the organisms when they were alive. It is remains of the organisms on the land. Scientists collect these fossils to study about the different creatures that were once present in the earth. The process of collecting and fossilization is called permineralization.
In the rock cycle, weathering and erosion begin the process of the formation of
Select one:
sediments.
minerals.
crystals.
magma.
please help
Using "i" statements: O A. Always makes your point to the other person OB. Starts arguments OC. Helps eliminate name-calling OD Puts you in charge of the conversation
Answer:
aa is a good place to start and 3333333333333333 to get out of Daviess and you will pay renttry a lot more than that you and your family and you can afford to be a little more hour than
Answer:
C: Helps Eliminate Name Calling
Explanation:
Hope this helps! :D
Pls, Hurry up? True or False + Explain. "Sea anemones are sessile organisms and stay permanently attached to their substrate."
Answer:
True
Explanation:
Sea anemones are one of the numerous predating animals found in the marine environment. They have cylindrical bodies whose bases are usually found attached to substrates and are therefore described as being sessile. However, a few species of sea anemones are known to be free swimmers.
Generally, sessile organisms are those that live their life attached to a substrate and, therefore, are not able to freely move about.
Answer:
True
Explanation:
This is because sea anemone polyp is permanently attached to the beneath of the base where it stay by it base called pedal foot. It sometimes glide around in order to prevent itself from predation and it uses it's tentacle to catch moving food particles around it and consume it. It belong to the group cnidaria.
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Read the following excerpt about stem cells. Then use your knowledge about gene regulation to make a claim as to why stem cells function differently from differentiated cells.
Stem cells have the remarkable potential to develop into many different cell types in the body during early life and growth. In addition, in many tissues they serve as a sort of internal repair system, dividing essentially without limit to replenish other cells as long as the person or animal is still alive. When a stem cell divides, each new cell has the potential either to remain a stem cell or become another type of cell with a more specialized function, such as a muscle cell, a red blood cell, or a brain cell.
Answer:
''Stem cells makes copies of itself whereas differentiated cells can't.''
Explanation:
stem cells function differently from differentiated cells because the stem cells divide and make copies of itself. It has the potential either to remain a stem cell or become another type of cell such as a muscle cell, a red blood cell, or a brain cell if the body needed while on the other hand, differentiated cells are specialized cells which performs specific functions and unable to divide.
Answer:
Stem cells are unspecialized cells that can make copies of themselves without limits when needed whereas differentiated cells can't, instead they become specialized as their body develops.
Explanation:
When the Earth's continental crust and ocean crust formed, they were different densities. Why did they differ in density and how did this affect their formation?
A.) The continental crust was thicker and less dense. It rose above sea level, separating land from water.
B.) The continental crust was thicker and more dense. It sunk below sea level, separating land from water.
C.) The continental crust was thinner and less dense. It rose above sea level, separating land from water.
D.) The continental crust was thinner and more dense. It sunk below sea level, separating land from water.
I think it’s B, but I’m not completely sure. Help please!
Answer: A.) The continental crust was thicker and less dense. It rose above sea level, separating land from water.
Explanation:
The Ocean crust is made out of rocks like basalt with a thickness of about four miles. The Continental crust on the other hand is made out of granite and other similar minerals and is between six and 47 miles in thickness which makes it thicker than the Oceanic crust.
With basalt being more dense than granite, the Oceanic crust sank and the Continental crust rose thereby separating land from water.
Answer:
Answer: A.) The continental crust was thicker and less dense. It rose above sea level, separating land from water.
Explanation:
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5. Macromolecules which are both hydrophobic and hydrophilic and are a major
component of cell membranes are -
Answer:
All phospholipids have hydrophobic tails, consisting of the two hydrocarbon chains, and hydrophilic head groups, consisting of the phosphate group and its polar attachments. Consequently, phospholipids are amphipathic molecules, part water-soluble and part water-insoluble.
1. An atom of which element has 37 protons, 48 neutrons and 1 valence electron? Answer:
Answer: Rubidium
Explanation:
The atom with 37 protons, 48 neutrons, and 1 valence electron is Rubidium (Rb).
Which element has 37 protons, 48 neutrons, and 1 valence electron?Rubidium (Rb) is the element that has 37 protons, 48 neutrons, and 1 valence electron. Protons and neutrons are located in the nucleus of an atom, while valence electrons are found in the outermost energy level or shell.
In the case of Rubidium, it has 37 protons which defines its atomic number and element identity. Also, it has 48 neutrons which contribute to its atomic mass. The valence electron of Rubidium is in the outermost energy level making it readily available for chemical reactions and interactions with other atoms.
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What number of cells is in metaphase
Answer:
1
Explanation:
The cell doesn't split until telophase, so there's still only one during metaphase. Chromosomes are still lining up during this phase.
3. Assertion (A):- Plasma membrane is a selectively permeable membrane.
Reason(R):- Plasma membrane allows entry and exit of substances from cell through the process of diffusion.
a. Both A and Rare true and Ris correct explanation of the A
b. Both A and Rare true but Ris not the correct explanation of the A
C. A is true but Ris false
d. Both A and Rare false
4. Plasmodium is an example of Bacteria
Answer:
the answer is option B. both A and R are true but R is not the correct explanation of A
once a small number of kidney cells are formed, what cellular process still needs to occur to form an entire kidney? what's cell cycle and what role does it play in this process?
Answer:
2. A cell cycle is a series of events that takes place in a cell as it grows and divides. A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then leaves interphase, undergoes mitosis, and completes its division.
Explanation:
I don't know number 1.
What disorder results when human body cells lose the ability to respond to internal regulatory signals that control cell growth?
diabetes
cancer
cellulitis
hemophilia
What is The major function of the cell membrane?
Answer:
The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
Explanation:
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