Complete question:
The concept of gene flow is demonstrated when a cow is driven off from its herd, joins another herd, and reproduces. When the cow contributes to the gene pool of the new herd, which of these most likely increases?
natural selectiongenetic variationenvironmental fitnessgene mutationsAnswer:
genetic variation
Explanation:
Whenever migration occurs between two populations, there is genetic flow going on. Genetic flow is an evolutive strength only if migration > 0 and if the allelic frequency in one generation is different from the allelic frequency in the next generation.
Genetic flow acts homogenizing the allelic frequencies between the two populations, and it might introduce variability into the new one.
For genetic flow to be possible, there needs not only the movement of the genes from one population to the other but also the reproduction process on the new population. Hence, it involves an interaction between the dispersion pattern and the reproductive system.
The bigger the difference in allelic frequencies between populations is, the bigger is the effect of the genetic flow.
where are sand dunes most likely to occur
Answer:
mostly in deserts, and probably some beaches
In some plants, phloem cells are connected end-to-end by sieve plates, creating a direct connection between the cytoplasm of phloem cells. What is one possible benefit of having phloem cells connected in this manner?
Answer:
Explanation:
This is because the sieve plate interconnected like that help in exchange of substances or transport of substances between element cell and it act as a barrier to prevent the sap from been loss when phloem is damaged or cut. The sieve plates form the sieve tube which is the conducting element of the phloem. It is formed from series of elongated cells that are interconnected by perforations in their walls.
This theory proposes that throughout geological time, biological species gradually undergo changes that leads to speciation known as ____________________
What's the answer please?
the T allele contains a mutation that occured during DNA replication. It's probably a point mutation
What type of fertilization and development
was involved in the production of the
embryos?
A) external fertilization and external
development
B) sexual reproduction and internal
development
C) internal fertilization and internal
development
D) asexual reproduction and external
development
Answer:
b
Explanation:
because it just is pless im guessing becauseing I need the points
hgffjibvdyjbctub bc
Answer:
B
Explanation:
*Unknown User*
How does electrical energy travel?
1. through wires (conductor)
2. through an insulator
3. through space
Answer:
through wires
Explanation:
Electrical energy passes through conductors but may also travel through space but select wires as it is a more common answer.
Where do turtles go to stay warm?
Which of the following has not been shown to cause cancer?
A) sun
B) Radiation
C) viruses
D)salt
Answer:
Viruses
Explanation:
Viruses haven't been linked to causing cancer
C. viruses
Explanation:
salted or dried fish) have been linked to an increased risk of stomach and nasopharyngeal cancer.Viruses can lead to cancer by associating with host proteins, proliferating when the human immune system is weakened, and hijacking proliferating human cells. percentage 12% to 20%I got scammed last time I asked can you guys help me now pls
She/They
whats the shape of an organism preserved in rock called
A.) a mold
B.) a cast
C.) an imprint
D.) petrifican
Answer:
A.) a mold... ur welcome
The shape of an organism preserved in rock is called an imprint, which is present in Option C, when an organism dies and is preserved in rock, it may leave behind an impression or imprint of its shape .
What exactly are imprints?Imprints are formed when an organism's body leaves an indentation in soft sediment, such as mud or sand, before it is buried by additional sediment, as the sediment compacts and hardens into rock over time, the imprint of the organism's shape is preserved, and this type of fossilization is called "external mold," which can provide valuable information about the shape, size, and structure of ancient organisms such as footprints, trackways, and burrows.
Hence, the shape of an organism preserved in rock is called an imprint, which is present in Option C.
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What length should the navel cord of a pig be cut?
Answer:
3-4 inches
Hope that helps!
Explanation:
The lytic cycle deals with?
A. Bacteria
B. Viruses
C. Bacteria and Viruses
D. None of the above
Answer:
I am pretty sure its C (Not 100% sure)
Explanation:
I used my memory
Glaciers can carve out large ___________________ through mountains.
A
valleys
B
peaks
C
landslides
Plant 2 is produced from plant 1. If the leaf cells of plant 1 have 56 chromosomes. How many chromosomes will be found in the leaf cells of plant 2
Answer:
Explanation:
Now, being completely identical to plant 1, plant 2 will have 56 chromosomes in it's leaf cells.
During meiosis, chromosomes will split into daughter cells randomly, making each gamete unique. This is called __________________.
Answer:
i seem to be answering all of these
Explanation:
it's called cytokinesis :)
it splits the daughter cells up from two to four
Answer:
Cytokinesis
Explanation:
What tool do meteorologists Use to analyze particle movement within storms?
(PLZ HELP!!!)
The largest number of individuals of a species that an area can support is the
A) population size
B) carrying capacity
C) limiting factor
D) population growth
Answer: The answer would actually be carrying capacity so yes the person above is correct
If a plant is missing a nutrient that it needs only a small amount of, its growth will not
be impacted.
True
False
Answer:
i am pretty sure its false
Explanation:
Some cells can die as a result of external agents suck as poison or trauma. However, most cells die through a process known as apoptosis, or programmed cell death. What is a likely consequence of a mutation that prevents apoptosis
Answer: A tumor
Explanation:
A mutation that prevents apoptosis can disrupt the normal cellular mechanisms that prevent tumor formation, and lead to the uncontrolled growth of cells that could ultimately cause cancer.
What is apoptosis?A mutation that prevents apoptosis, or programmed cell death, can have several consequences. One of the most significant consequences is the accumulation of damaged or abnormal cells, which can lead to the development of tumors and cancer. Apoptosis is a natural process that eliminates cells that are no longer needed or that are damaged beyond repair. This process is essential for maintaining tissue homeostasis and preventing the growth of abnormal cells.
When cells are prevented from undergoing apoptosis, they may continue to divide and proliferate uncontrollably, leading to the formation of a mass of cells known as a tumor. This is because cells that have undergone DNA damage or that have other abnormalities are normally eliminated through apoptosis to prevent the accumulation of cells that could become cancerous.
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"Could you please help me? I have a question that is honestly NOT a homework
question. I am a Junior here at LTHS. "Could a man with type B blood and a
woman with type AB produce a child with type O blood?" I think not, because
type O is recessive, and the B's seem to be dominant. My cousin thinks yes.
Thank you for your help."
Can somebody please answer this quickly?
Please help thank you
What are resources a living thing needs to survive? Are these resources limited or unlimited?
Answer:
The basic resources a living organism needs to survive are sustinence, shelter, and heat. Sustinence is not an unlimited source and wild animals have to hunt to get their food, and if they hunt too much, the food chain will fall out of balnce to where there is no more of that species.
Shelter or safe homes can also be limited, from animals that find natural spots, or make their own homes out of resources, it can be difficult to not be constantly exposed to the natural environment.
Heat is dependant on climate, and is provided by the sun. Nonetheless, in the winter, it isn't reliable, and in the summer, animals may overheat. In conclusion overall, all of these resources are limited or depending on such circumstances.
WILL GIVE BRAINLIEST
Why are the following animals considered livestock? (What do we get from them?)
a. Cattle:
b. Sheep:
C. Pigs
d. Goats:
e. Horses:
f. Poultry:
A table with four organisms and their primary role in an ecosystem is shown.
Common Name
Role in Ecosystem
Kingfisher
Carnivore
Black fly larvae
Herbivore
Trout
Carnivore
Algae
Producer
Based on the table, which trophic pyramid is correct?
Answer:Each and every one of us have several roles. Organisms in a community play other roles too. An organism's role within an ecosystem depends on how it earn its nutrients. Organisms collect their nutrients in very different actions, so they have different roles in an ecosystem.
Explanation:
The food chain describes who eats whom in the wild. Every living thing—from one-celled algae to giant blue whales—needs food to survive. Each food chain is a possible pathway that energy and nutrients can follow through the ecosystem.
For example, grass produces its own food from sunlight. A rabbit eats the grass. A fox eats the rabbit. When the fox dies, bacteria break down its body, returning it to the soil where it provides nutrients for plants like grass.
Of course, many different animals eat grass, and rabbits can eat other plants besides grass. Foxes, in turn, can eat many types of animals and plants. Each of these living things can be a part of multiple food chains. All of the interconnected and overlapping food chains in an ecosystem make up a food web.
The producer, the algae, is found at the base of the pyramid, and the black fly larva (an herbivore) is found above it. On the third trophic level, there are carnivores such as the trout, and the kingfisher is on the fourth level.
What is the ecological pyramid?The ecological pyramid is divided into several types, including the pyramid of numbers, the pyramid of energy, and the pyramid of biomass, and the characteristics of the pyramid vary by ecosystem. The pyramid consists of producers at the basal level, which is the algae, and they produce most of the energy in the ecosystem.
The energy and food are then transferred to the second trophic level, the herbivore level of black fly larvae. The third level is the carnivore level (primary carnivore), where the trout eats the herbivore (black fly larva), and the fourth level is the kingfisher, where it eats the primary carnivore, which is the trout, and this results in the pyramid starting with a broad base of producers and eventually narrowing towards the apex.
Hence, the pyramid begins with a producer (algea), then the herbivore, then the trout, and finally the kingfisher.
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Matt use a camera to take a picture of a rose on a piece of paper in the picture the rose appear to be bright red and the background appear to be white then Matt place a blue glass filter over the camera lens and took another picture in this picture of the Rose appear to be black in the background appear to be blue explain what happens to light waves to make the appearance of the rules in the appearance of the background different in the two pictures.
The blue glass filter absorbed most of the red light waves and allowed only the blue light waves to pass through, resulting in the appearance of the rose and the background being different in the two pictures.
What is Light?
Light is a form of electromagnetic radiation that is visible to the human eye. It is a type of energy that travels in straight lines and has both wave-like and particle-like properties. Light is a fundamental part of our world and plays a crucial role in our lives.
Light is produced by the motion of charged particles, such as electrons, and can be emitted by sources such as the sun, light bulbs, and fires. Light travels at a constant speed of approximately 299,792,458 meters per second in a vacuum, which is known as the speed of light.
When Matt took the first picture of the rose on a piece of paper without any filter, the camera captured the visible light waves that were reflected by the rose and the background. The rose appeared bright red because it reflects mostly red light waves and absorbs other colors, and the background appeared white because it reflects all the visible light waves equally.
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)Which sentence is written in third-person point of view?
Once a small crowd of protesters, we were now an angry mob.
Our small crowd of protesters was now an angry mob.
The small crowd of protesters had turned into an angry mob.
Your small crowd of protesters has now become an angry mob.
Answer:
C. The small crowd of protesters had turned into an angry mob.
Explanation:
Answer:
C
Explanation:
What are fossils how are they created
Answer:Fossils are formed in different ways, but most are formed when a plant or animal dies in a watery environment and is buried in mud and silt. Soft tissues quickly decompose leaving the hard bones or shells behind. Over time sediment builds over the top and hardens into rock
Explanation:
What 2 characteristics are used to place organisms into different kingdoms
Answer:
the type of living organisms like bacteria is classified into kingdom moneraA red frog and a blue frog mate and have offspring. If the gene is Codominant, what will be the color of their offspring?
Answer:
The correct answer is - blue and red both.
Explanation:
Codominance is the type of inheritance pattern in which alleles interact differently with one other. In this type of inheritance, neither allele is dominant or recessive and both traits are visible in the progeny if both alleles are present together in heterozygous conditions.
Here, in this case, Red frog and the blue frog are in codominance so the cross of these frogs leads to both colors that will be express in offspring together.
RR mate with BB
R R
B RB RB
B RB RB