Answer:
This isn't biology LOL. But "the implementation of the American policy of westward expansion."
Explanation:
Which examples describe biotic factors interacting with the environment?
Answer:
Examples of biotic components:
animals, plants, bacteria etc...
Is this the answer you want?
Answer:
D: Butterflies resting on the flower of a plant
Explanation:
I hope this helps! i took the test if y'all needed to know
Which factor can cause secondary succession?
clear cutting
Oglacial melting
Answer:
Hey!
Your answer is CLEAR CUTTING...
Explanation:
Clear cutting is when people/ industries harvest and regenerate trees areas in which all trees are cleared from a site completely...
HOPE THIS HELPS!!
Clear cutting can cause secondary succession. So, the correct option is A.
What is Secondary succession?When a place is disturbed but not severely enough to completely clear it of all vegetation and soil, secondary succession happens. Secondary succession can be started by a variety of disturbances, including fire, flooding, high winds, and human activities (such as logging of forests).
After the primary succession has indeed been disrupted as well as some animals and plants are still there, the secondary succession occurs. For the reasons listed below, the secondary succession is typically quicker than the primary succession.
There is already earth in place.The soil may still contain seeds, roots, and subsurface vegetative organs.Therefore, the correct option is A.
Learn more about Secondary succession, here:
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Your question is incomplete, most probably the complete question is:
Which factor can cause secondary succession?
clear cutting
glacial melting
competition
predation
Question 7 (1 point)
What does not produce carbon dioxide?
a
b
oooo
Animal respiration
Photosynthesis
Plants decaying
Burning Fossil Fuels
d
Answer:
a
Explanation:
Define natural selection and give Example with detailed explanations.
Answer:
Natural selection is when animals who are able to survive in their environment flourish, and those animals who aren't die out.
Explanation:
Lets say there were two rival animals, we can call them plantoids 1 and 2. These plantoids were both trying to out-survive each other. The problem is birds loved to eat them, so through evolution plantoids 1 began producing toxins, so when chewed on the bird would be poisoned. For awhile this worked, and the plantoids without it were dying off. Then plantoids 2 created a thorn on their heads, and were able to blend well. This worked well, and sadly for plantoids 1 the birds were able to eat them. The birds went through natural selection and those who were immune to the poison survived. Now these two plantoids are two completely different species, and they were once the same. In the end plantoids 2 survived because they were more adapted to the setting they lived in.
What is the most environmentally friendly form of building?
A. Concrete
B. Brick
C. Steel
D. Timber
Answer:
D) Timber
Explanation:
Concrete creates a large carbon footprint as carbon dioxide is released during its production. Steel releases air emision like CO, SOx, NOx, PM2. Whereas, brick is made out of clay the heat required for manufacture is usually gained from coal burning releasing emissions into the atmosphere. Although timber contributes to deforestation when managed sustainably has the potential to be carbon neutral/sustainable.
The bottom area of a pond or lake where very little sunlight reaches is the
O trophic zone
O plankton zone
littoral zone
O benthic zone
Answer:
benthic zone
Explanation:
Answer:
D: benthic zone
During daylight savings, Christie's neighborhood soccer games get cut short because the sky becomes dark much earlier than during the summer. Her father talked to the electric company about installing large lights above the field so Christie and other kids in the community could continue their soccer games after dark. The electric company informed Christie's father that although the light poles could be installed, there are too many short trees and trees with low branches in the park to connect electrical lines. Without electricity delivered to the light poles, they would not work. Christie and her father talked about this information with neighborhood residents and together they came up with several ways to solve the problem.
Considering the concerns of everyone involved, which idea would be the BEST solution to the problem?
A)
Instead of electrical light poles, install solar-powered light poles.
B)
Parents can leave their cars running with headlights on facing the park.
Build several large fire pits around the field and light them each night.
D)
Cut down the larger trees, install the electrical lines, and replant the area
with shrubs.
Answer:
If I am big brained, I believe the answer is A
Explanation:
Describe the location of the kneecap to the knee joint
Answer:
superior
Explanation:
I do not know if it's okay.
Which pedigree symbol is used to represent a female carrier of a recessive X-linked trait?
Answer:
B.
Explanation:
Answer:
Half-Circle
Explanation:
what are 4 effects of global warming
The four effects of Global Warming are mentioned above. But there are also many effects of Global Warming.
If there are 10 chromosomes in a particular cell at the start of prophase how many will be present in the same cell at the end of anaphase. Before cytokinesis has begun? Hint: first of all, state the number of chromosomes. Then explain why you think so.
Answer:
20 chromosomes
Explanation:
Mitosis is a kind of cell division that results in daughter cells with same number of chromosomes as the parent cell. It involves stages including Prophase, Metaphase, Anaphase and Telophase. In prophase, the Chromatin condenses into Chromosomes.
In Anaphase stage, the 10 chromosomes as mentioned in the question divides into opposite poles of the cell. One individual chromosome contains two sister chromatids, which actually separates in the Anaphase stage. Hence, at the end of the Anaphase stage, there will be 10 chromatids each at opposite poles of the cell. Each chromatid at this stage is considered a chromosome.
Hence, a cell with 10 chromosomes will contain 20 chromosomes (10+10 chromatids on each pole) in the Anaphase stage just before the cell divides into two in a process called CYTOKINESIS.
Which element is considered the most versatile element in living organisms and why?
Answer:
Carbon
Explanation:
Answer:
C: carbon, because it can bond with many elements to form complex molecules
Explanation:
What percentage of the F2
generation had the genotype TT?
A 50%
B. 100%
C. 25%
Answer:
c
Explanation:
please help Mark and Vikki live in two different areas of North America. The temperature in Mark’s town today is 30°F. The temperature in Vikki’s town is 82°F. In both towns, the relative humidity is 90%. Is the amount of water vapor in the air the same in Mark’s and Vikki’s towns? Explain your answer.
Answer:
I think that the amount of water vapor in the air will be different because in Mark's town, it is cold and water in the clouds might turn to ice and come down as snow. And in Vikki's town, it is very warm so the water vapor might come down as rain.
I hope this helped! I was in a rush but I'm positive that this is correct.
In the United States, the moon’s pull is strongest during which season?
1. spring
2. summer
3. fall
4. winter
Explanation:
Gravitational pull is affected by mass and distance. Since the moon’s mass does not change, the moon’s distance between Earth and the moon is the main consideration for the strength of lunar gravity. The moon’s pull on Earth waxes and wanes as the moon follows its elliptical orbit around the Earth, the distance between the two celestial objects increases and decreases. When they are nearest to each other, the moon is in the point of its orbit called the perigee, and its pull on Earth is the strongest.
On Earth, the moon’s gravity primarily is manifested as high and low tides, as the water bulges toward the moon. The effects of lunar gravity are felt the most at the constantly changing spot on Earth that is directly beneath the moon, called the sub-lunar point. At most times of the year, the moon has a greater pull on Earth than the sun does, but this changes during the times of year when the Earth’s orbit brings it closer to the sun. At these times, the sun’s gravitational pull causes spring tides, and when these coincide with the moon’s orbital perigee around the Earth, they are called perigean spring tides.
Earth exerts a gravitational pull on the moon 80 times stronger than the moon’s pull on the Earth. Over a very long time, the moon’s rotations created fiction with the Earth’s tugging back, until the moon’s orbit and rotational locked with Earth. This is called "tidal locking," and it explains why the same side of the moon always faces the Earth.
Answer: The correct answer is 1. spring
Explanation: Confirmed correct.
The vaccine in a flu shot contains weakened flu viruses. How does a flu shot
work with the immune system?
O A. It delivers antibodies to the muscles.
B. It delivers antibiotics.
C. It activates macrophages.
D. It activates the production of memory cells.
A scientist studies the DNA in corresponding genes of a platypus, a
beaver, and a duck. The DNA from which two species are most likely to be most
similar? Explain your answer.
Answer:
platypus and a duck has similar DNA.
Explanation:
There are certain similarities which are present between duck and platypus such as structure of beak or mouth, webbed feet and laying eggs in order to continue its generation. These three characteristic make the platypus and duck similar to each other. There is also one major difference is present which is that the platypus is the only mammal which lay eggs and feed baby with their own milk. Its tail structure is also different from duck.
The DNA from platypus and beaver are most likely to be most similar because these species share a more recent ancestor.
Sequence homo-logy refers to the level of similarity between nucleotide (DNA) sequences due to shared ancestry in the evolutionary history of life.The species that share a more recent ancestor exhibit a higher level of sequence homo-logy than unrelated species.In this case, the linear order of nucleotides in DNA from platypus and beaver are most likely to be most similar because they are mammals, while ducks are birds.In conclusion, the DNA from platypus and beaver are most likely to be most similar because these species share a more recent ancestor.
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In Hard Times, by Charles Dickens, Sissy's father abandons her, yet she continues to hope for his return. What is
Dickens revealing through this characterization of Sissy?
o that everyone should have hope
that hope is futile
O that hope is ridiculous
O that hope is essential for humans
Answer:
B is Incorrect
Explanation:
A group of researchers at Stanford University developed software that can be used to distribute the processing of data to anyone who is willing to donate time on their idle personal computers. As a result, the researchers have been able to achieve protein-folding simulations that are far better than those other computing methods have done. Which statement best describes the work of these researchers?
Answer:
The first one sentence all of it because it describes the work they do
Explanation:
List and Explain four reasons why soil is so important to human survival.
Answer:
Explanation:
Soil is our life support system. Soils provide anchorage for roots, hold water and nutrients. Soils are home to myriad micro-organisms that fix nitrogen and decompose organic matter, and armies of microscopic animals as well as earthworms and termites. We build on soil as well as with it and in it.
What is the purpose of a control sample that is known to be from a given
species in an eDNA surveillance for that species?
A. To identify samples containing the target DNA
B. To produce multiple banding patterns in a gel
C. To amplify the DNA in small samples
D. To identify every species found
Answer:
B. To produce multiple banding patterns in a gel
Explanation:
3. (4pts) A constraint is a limitation or condition that must be satisfied by a design. For example, you may onl
be able to use certain materials, or you might want the device to operate at a certain speed.
What was a constraint (a limitation or a condition) in this version?
Answer:
As seen in the question above, "constraint" is a word that indicates a limitation or condition. In this case, we can say that the "restriction" is an imposition to a limit under a given situation, and it can also mean an imposition of the free execution of an activity, skill and even limitation and a conditioning factor to a certain freedom.
Which component of the earth’s atmosphere is decreased due to photosynthesis?
ozone
oxygen
hydrogen peroxide
carbon dioxide
Answer:
Carbon Dioxide
Explanation:
Let's see the reaction of Photosynthesis
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
Where carbon dioxide and water are reactants and glucose and oxygen are products which means CO₂ and H₂O are taken from the environment and glucose is supplied to plants while oxygen is supplied back to the environment.
How does energy affect competition in a rainforest?
Answer:
Energy affects competition in the tropical rainforest due to the dense population of trees found in this region.
Trees are producers and they compete mainly for water, sunlight and nutrients. Sunlight provides the source of solar energy which is instrumental in its photosynthetic process.
The trees form canopies and create competition among the ones who have lower stems and branches while the ones with longer stems continue to grow taller due to the availability of sunlight.
Competition may also affect the organisms living in this region as they compete for food.
How did the elements begin to stratify?
In which situation would all of the larger elephants in a herd most likely stand shoulder-to-shoulder around a young calf? to protect the calf from predators to play a game with the calf to keep the calf shaded if it is sunny out to keep the calf dry if it is raining
Answer:
a
Explanation:
Which of the following occurs
while homologous chromosomes
are paired up?
A. They create 2 haploid cells.
B. They contain 6 chromatids.
C. They exchange portions of their DNA.
D. They produce two diploid cells.
Answer:
Explanation:
the answer is c just answered
3
How does rain form?
Water rises, cools, evaporates, and then condenses.
Water cools, condenses, evaporates, and then rises.
Water evaporates, cools, rises, and condenses.
Water evaporates, rises, cools, and then condenses.
Answer:
D
Explanation:
How can you distinguish the dorsal and ventral sides of an earthworm?
Answer:
Yes
Explanation:
The earthworm has a rounded dorsal (back) surface and a flatter ventral (belly) surface. Usually the dorsal surface is darker than the ventral surface (though sometimes this is obscured in the preservation process).
Answer:
The ventral side is lighter than the dorsal side and more pale and kind of flattened unlike the dorsal side which is darker and round.
Explanation:
What is the most common molecule in living things?
A. H2
B. CO
C. CO2
D. H20
Answer:
H20
Explanation:
because all living things need water(H20) in other to survive
