The two factors that could lead to the evolution of a species over time are the changes in the genes of gender-dependent cells and the survival of the fittest. So, the correct option is C.
What do you mean by Evolution?Evolution may be defined as the changes in the characteristics of a species over several generations and depends on the process of natural selection.
Changes in the genes of gender-dependent cells lead to the variation in genetic sequence in a particular population, while survival of the fittest favors the individuals having overall relative fitness and surviving more in their habitats.
Therefore, the two factors that could lead to the evolution of a species over time are the changes in the genes of gender-dependent cells and the survival of the fittest.
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Lions live in the south Sahara Desert in breeding groups called prides. Females tend to stay in their pride, but males may leave to join another pride. Which mechanism does this describe?
The correct answer to this open question is the following.
Although there are no options attached we can say the following.
This mechanism describes the necessity of males to lead and form their own pride to show their dominance and power. That is why young lions leave and wander, and when they are ready, they fight for their right to lead their own pride.
So yes, Females tend to stay in their pride, but males may leave to join another pride. And that is the male instinct for lions in the wildlife.
On the other hand, males tend to stay in the same pride, taking care of their cubs, raising them, and hunting. That is what they do best, hunt animals to feed the pride and the cubs.
A genetic engineer wants to join the following DNA fragments.
Which tool should the engineer use?
O reverse transcriptase
O DNA ligase
O gel electrophoresis
O restriction endonuclease
Answer:
To join the DNA fragments the genetic engineer must use DNA ligase.
Most sex-linked genes are located on:
a) the autosomes
b) the X chromosome only
c) the y chromosome only
d) both the X chromosome and the Y chromosome
Answer:
B) The X chromosomes only
Receptors are needed for which type(s) of cell signaling?
Answer:
Cell-surface receptors are involved in most of the signaling in multicellular organisms. There are three general categories of cell-surface receptors: ion channel-linked receptors, G-protein-linked receptors, and enzyme-linked receptors.
Cells contain proteins known as receptors, which bind to signaling molecules and cause a physiological response. Different receptors recognize different molecules.
What are receptors?Receptors are proteins, typically cell surface receptors, that bind to ligands and cause immune system responses.
Cells contain proteins known as receptors, which bind to signaling molecules and cause a physiological response. Different receptors recognize different molecules.
Insulin receptors bind insulin, dopamine receptors bind dopamine, nerve growth factor receptors bind nerve growth factor, and so on.
Thus, due to this, receptors are needed for cell signaling.
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What happens at the edge of plates?
Answer:
Most earthquakes occur along the edge of the oceanic and continental plates.
Explanation:
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what is another name for cell members
Answer:
Explanation:
Another Name for the cell membrane is Plasma Membrane
If someone has a heavy weight on his or her chest, explain why after a short time it becomes difficult to breathe, even though the person’s mouth and nose are not affected
Answer:
When you breathe, air flows from your nose or mouth to your lungs, the lungs expand to allow the air in, and then they contract to remove the air from your body, then you exhale that air.
Then you can see that in the breathing process, your lungs need to expand. If you have a heavy weight on your chest, then the amount that your lungs can expand is really small, then the amount of air that they can have is smaller than normal. This is why is harder to breathe when you have a heavy weight on your chest.
Which best explains why the moon has phases?
Group of answer choices
The moon's position changes in relation to the sun and Earth
The sun's position changes in relation to the moon and earth
The earth casts a shadow on the moon as it rotates
The moon rotates along its axis
Answer:
The moon's position changes in relation to the sun and earth
Answer:
the first one
Explanation:
the earth moves around the sun and the moon moves around the earth so when the moon goes behind the earth the sun cannot shine on it
What type of volcano is commonly found in the Pacific Ring of Fire?
a. Stratovolcano
b. Cinder Volcano
c. Scoria cone
d. Shield volcano
Answer:
d. Shield volcano
Explanation:
The type of volcano that is commonly found in the Pacific Ring of Fire is Stratovolcano.Therefore, the correct option is A.
What is the Pacific ring of Fire?The Pacific Ring of Fire is a region around the Pacific Ocean characterized by frequent earthquake and volcanic activity. Stratovolcanoes, also known as composite volcanoes, are steep-sided, cone-shaped volcanoes built up by the accumulation of layers of ash, lava, and other volcanic material.
They are known for their explosive eruptions and can be found along many of the tectonic plate boundaries in the Pacific Ring of Fire, including the Andes, Cascade Range, and Japan. Other types of volcanoes, such as shield volcanoes and cinder cones, are also found in the region, but stratovolcanoes are the most common.Therefore, the correct option is A.
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AB blood type in humans as well as, red and white striped flowers are examples of this type of inheritance pattern.
Answer:
The inheritance pattern is CODOMINANCE
Explanation:
Codominance is a type of non-mendelian inheritance i.e. does not follow Mendel's principles of inheritance, in which two alleles of a gene are both dominant, hence, they are both simultaneously expressed in that gene.
Examples or cases of codominance are the AB blood type in humans where alleles A and B are both expressed in the gene. Also, red and white striped flowers in certain plants is an example of codominance as red and white alleles are both expressed.
How efficient are the normal commercial solar cells?
Which of the following best explains why the Sun appears to move across the sky every day?
Group of answer choices
The Sun rotates on its axis
Earth rotates on its axis
The sun orbits around Earth
Earth orbits around the Sun
During Earth's early history, microbial life on land contributed to the formation of soil. Soil formation, in turn, led to the evolution of land plants. Which term describes this chain of events?
Answer:
The correct answer is - nitrogen fixation.
Explanation:
In soil formation microbes play an important role as they help in providing important compounds such as nitrogen by the process of nitrogen fixation that is used by the plants.
Nitrogen-fixing organisms mostly bacteria are free-living but some live in a symbiotic relationship with plants such as Azobacter or with other organisms such as Rhizobium.
does variation allow for natural selection to take place?
Answer: HOPE THIS HELPS!
Variation allows some individuals within a population to adapt to the changing environment. Because natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation.
Answer the prelab questions below with reference to the attached class slides.
1. What is a mutation? (A. change of DNA / B. copy of DNA / C. passing of DNA / D. all listed)
2. Describe the info flow of transcription. (A. DNA --> DNA/B. DNA --> RNA / C. RNA --> protein / D.
DNA --> protein)
3. Describe the info flow of translation. (A. DNA --> DNA/B. DNA -> RNA / C. RNA --> protein / D. DNA-
-> protein)
4. Describe the info flow of expression. (A. DNA --> DNA/B. DNA --> RNA / C. RNA --> protein / D. DNA
--> protein)
5. Describe the info flow of replication. (A. DNA --> DNA/B. DNA -> RNA / C. RNA --> protein / D. DNA-
-> protein)
Answer:
1 . mutation is in a change in a DNA sequence nutrition can visit of DNA copying mistake made during cell division exposure to radiation exposure to Chemicals called motor Jeans Aur infection by viruses
Imagine a scenario in which an X-linked disorder requires two copies of the mutated gene to be present. Which of the following is true? A) Only men will be affected.
B) Only women will be affected.
C) Men and women will be equally likely to be affected.
D) Women will be more likely to be affected, although some men will be affected too.
Answer:
i believe the answer is c, that makes the most sense to me.
Explanation:
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Answer: A
Explanation:
Ecological succession is the process of change in the species structure of an ecological community over time. The time scale can be decades (for example, after a wildfire), or even millions of years after a mass extinction.
____ are trying to create better batteries that can store more energy, so that electric cars can travel further on one charge.
Answer:
Scientists.
Explanation:
Think back to our natural selection lab with the arctic foxes. What happened that
caused changes in trait distribution in our population of foxes?
A the selection events killed off all of the foxes with beneficial traits
B the foxes randomly survived and mated regardless of their traits
C there was no variation in the fox population
D differences in survival and reproduction of individuals depending on their traits
Answer:
D, I don't know what happened in your natural selection lab though so it might be wrong.
Use a sequence of at least four events to describe some of the ways
that water moves into, through, and then out of the atmosphere.
Please help
Explanation:
together evaporation transpiration sublimation plus volcanally emissions for almost all the water evaporate in the atmosphere that isn't inserted in human activities
Efforts to reduce pollution began occurring later in the century. If pollution near factories was reduced, what would happen to the color of the moths? Explain your answer.This would happen because
Answer:
moths would begin becoming lighter as the pollution is reduced
Explanation:
The color of the moths would begin becoming lighter as the pollution is reduced. This is because during the time of high amounts of pollution industrial melanism takes place and the moth's pigmentation becomes a darker tone. This is so that the moths are able to blend in better with its surroundings and survive. Pollution causes sulphur dioxide gas and dark soot deposits which have a greyish dark tone, thats why moths pigmentation turns darker. With pollution reduced moths need a lighter colored pigment to blend into lighter colored objects such as trees and leaves.
The color of the Moths will become lighter as a result of this due to the effect
pollution has on its color.
Industries and factories make use of fuel and when it is burned in generating
sets and other equipment it produces the compound known as Nitrogen
oxide.
The Nitrogen oxide has a brownish color which goes into the atmosphere
where the moths fly in thereby contact with the gas darkens the color to
shades of brown. A reduction in the discharge of the gas will lead to it
becoming lighter.
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consider a cross between two individuals whose genotypes for two different loci are AaBb and AaBb. predict the outcomes of this cross. from the options below. select all that are possible from this cross
Answer:
It’s A,B,E!!
Explanation:
I just did it on USATestPrep!!
In dihybrid cross due to independent assortment if the cross between genotypes for two different loci is AaBb and AaBb, the outcomes are 1/16 progeny will be AABB and 1/16 is aabb, and 1/4 offspring will be AaBb like parents, hence option a,b,e is correct.
What is a dihybrid cross?In 1865, Gregor Mendel performed dihybrid crosses on pea plants and found the Property of Independent Assortment, a basic law of genetics.
He developed the dihybrid cross based on the same rules as a monohybrid cross. He determined the phenotypic ratio (9:3:3:1) seen in a dihybrid cross for a heterozygous cross from these investigations.
The Cross between AaBb and AaBb is shown in punnet square in the diagram below, and the outcomes are 1/16 progeny will be AABB and 1/16 is aabb, and 1/4 offspring will be AaBb.
Therefore due to independent assortment in the dihybrid cross, options a,b, and e is correct.
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______ fixation is when carbon dioxide from the atmosphere is "fixed" in the plant cells; using the carbon to make _______.
Answer:
___c4___ fixation is when carbon dioxide from the atmosphere is "fixed" in the plant cells; using the carbon to make _______.
The Earth ________ is a group of parts that include air, water, land, and life
Answer:
The Earth Cycle
Answer:
biosphere
Explanation:
The biosphere conists of all living things and it includes air , water , land and life.
What is the Genetic code in our nucleus
In 2006, an Ethiopian researcher announced the discovery of well-preserved 3.3 million-year-old fossil of a young female hominid. Refer to Figure (F) below. Considering the Hominid trend of evolution, choose which skull would most likely be that most primitive of the three.
Answer:
Skull three
Explanation:
the backlining is in more, and the jaw moves out more, resembeling that of a more gorilla like creature
It sounds like the description is referring to a hominid with a more pronounced facial structure, similar to that of a gorilla. This may indicate a more primitive stage of hominid evolution, as earlier hominids had more pronounced facial features and a more protruding jaw than later, more advanced hominids.
What is the basic evolutionary changes in the group mentioned ?As hominids evolved over time, their facial features became more refined, and their jaw became less protruding as they adapted to a diet that relied less on tough, fibrous vegetation and more on softer, cooked foods. This adaptation allowed for the development of a larger braincase and a more upright posture, both of which are hallmarks of later hominids such as Homo erectus and Homo sapiens.
It's worth noting that the evolution of hominids is a complex and ongoing area of research, and new discoveries and interpretations of existing evidence may change our understanding of the evolutionary timeline and the characteristics of different hominid species.
Over the course of hominid evolution, several important changes occurred that distinguish hominids from other primates. One of the earliest changes was the development of bipedalism, or the ability to walk on two legs. Bipedalism allowed hominids to free their hands for tool use and other tasks, and also facilitated the long-distance travel needed to explore new environments.
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do all plants make the same kind of sugar? true or false
Answer:
same sugar different concentrations so yes true.
Explanation:
Technically they all make gluclose but different plants produce different amounts of it.
Yes, this statement is true.
Plants make same kind of sugar but the concentration of sugar is different.
All green plants produce sugars through photosynthesis, a natural process that turns sunlight into energy.Different parts of plants have different concentrations of sugars. These different concentrations form what are called concentration gradients. To move sugars to some areas or cells, up concentration gradients, plants need to use proton pumps, many which require phosphorus and other enzymes.Thus, the statement is true.
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Most of the border of the state of Florida is where the land meets the ocean. What term is used for this?
Answer: Coast? Or peninsula
Explanation:
Which of the following correctly indicates the order in which these events occur?
Answer:
The third one
Explanation:
Because its right