Pangaea came together during the Phanerozoic eon.
• The current geologic eon in the geologic time scale is the Phanerozoic eon. It is the one during which abundant plant and animal life prevailed.
• It is of the span of 541 million years to the present, and it started with the Cambrian period when animals initially developed hard shells.
• The Phanerozoic time span began with the sudden emergence of fossilized evidence of a number of animal phyla, the development and emergence of complex plants, and the evolution of fish, the emergence of tetrapods and insects, and the development of present time fauna.
• During the Phanerozoic eon, the tectonic forces moved the continents and gathered them into a single landmass called Pangaea, which later got separated into the present continental landmasses.
Thus, the correct answer is Phanerozoic eon.
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Which RNA base bonds with adenine
Answer:
Three of the four nitrogenous bases that make up RNA — adenine (A), cytosine (C), and guanine (G) — are also found in DNA. In RNA, however, a base called uracil (U) replaces thymine (T) as the complementary nucleotide to adenine
Explanation:
If a thin haired woman (bb) has a child with a full haired man (B-), then what is the chance each of their boys will be bald?
Please no files that I have to download
i did this in 6th grade and i think there is no chance because the thin haired woman has a non-dominant allele and the full haired man does have a strong allele. so, the man has the dominant gene
1
Which of the following organisms is most likely to
reproduce asexually?
A
Leopards
B
Bacteria
C
Goldfish
D
Sunflowers
Answer:
goldfish
Explanation:
substance in which the monomer is a nucleotide _______
A - Carbohydrates
B - Nucleic Acids
C - Proteins
D - Fats
Nucleic acid is a substance in which the monomer is a nucleotide. Therefore, option B is correct.
What are nucleic acids?Biopolymers and macromolecules called nucleic acids are important for all known forms of life. They are constructed of monomers called nucleotides, which are composed of a nitrogenous base (adenine, guanine, thymine, uracil, and cytosine), a phosphate group, and a 5-carbon sugar.
The components that make up an individual's genetic code are nucleic acids. Deoxyribonucleic acid (DNA) and ribonucleic acid are the principal two examples of nucleic acids (RNA). They have an important role in heredity and protein synthesis.
Thus, A nucleotide serves as the monomer of a material known as nucleic acid. Therefore, option B is correct.
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Which of the following is not made of DNA?
O chromatids
O chromosomes
centromeres
O chromatin
Answer:
chromatin po
Explanation:
pabrainly please
One adaptation to life in flowing water is _____.
A] for anchorage
B] breeding in oceans
C] needing little oxygen
Answer:
A
Explanation:
Plants that live in rivers or any body of flowing water have strong roots to anchor them to the shore.
what's the full form of DNA?
Answer:
Deoxyribonucleic acid is the full form of DNA.
1 point
2. In July, a student tested the soil in two plots and calculated the
concentration of nitrogen compounds present in each plot. The student
then planted 20 seedlings in the first plot and allowed them to grow.
Nothing was planted in the second plot. The student tested the soil in both
plots again after one month. The concentration of nitrogen compounds
had decreased in the first plot but had remained the same in the second
plot. Which of the following best explains the decrease in nitrogen
compounds in the first plot? *
A. The nitrogen compounds had broken down into elements.
B. The nitrogen compounds were absorbed by the seedlings for their growth.
C. The nitrogen compounds escaped through air pockets created by the seedlings'
roots.
D. The nitrogen compounds had evaporated because of the warm summer
temperatures.
Answer: B. The nitrogen compounds were absorbed by seedlings for their growth.
Explanation:
For the plant to have energy accessible when and where it needs it to maximize yield, nitrogen is essential. As proteins and enzymes control water and nutrient intake, this important nutrient is even present in the roots. Thus, option B is correct.
What nitrogen compounds were absorbed by the seedlings?Plants absorb ammonium and nitrate during the assimilation process, and these substances are then converted into organic molecules containing nitrogen, such as DNA and amino acids.
Plants may absorb substances from soils like nitrate, nitrite, ammonia, and ammonium, which are subsequently utilized to create proteins in both plants and animals.
Therefore, The nitrogen compounds were absorbed by the seedlings for their growth. After they reach three inches in height, seedlings should be fertilized; after that, they can get weekly fertilization until being transplanted.
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How does widespread illness in food animals affect people's health?
Hello! I have some questions I’m stuck on. this is about cells and this is middle school level.
1. How did robert Hooke contribute to our understanding of cells?
2. The cell theory describes three basic characteristics of cells and living things. Summarize these basic characteristics.
3. Compare how cells in unicellular and multicellular organisms perform the tasks needed for life.
MULTIPLE CHOICE
1. If you were to compare the function of a cell to the function of a parts in the house which part of the house would match a cell?
A. Roof
B. Bricks
C. Air conditioner
D. Pluming system
Thank you to anyone who answers
Answer:
To me i would say B is the answer
Which of the following is possible genotype for the offspring?
Answer:
a or d
Explanation:
i believe it is one of those
Answer:d. long tailed, stripped fur
Explanation:
Pleaseeeeeee helpppp!!!!!
Which of the following explains the flexible nature of plant stems?
a. Cell volume of parenchyma cells
b. Thickness of cell wall in collenchyma cells
c. Lack of nucleus in sclerenchyma cells
d. Presence of cellulose in plant cell wall
Answer:
D. I.
maybe its D, I think it might be D
How does reducing gene flow cause speciation?
A. It allows divergence to occur.
B. It eliminates fixed alleles.
C. It increases gene flow.
D. It stops adaptive radiation.
A. People can Change the way that the genes flow
Answer:just look at the pic brothas
Explanation:
Explain the Carbon cycle in 3 paragraphs or more.
Answer:
Carbon cycle is the process where carbon compounds are interchanged among the biosphere, geosphere, pedosphere, hydrosphere, and atmosphere of the earth.
1) Carbon present in the atmosphere is absorbed by plants for photosynthesis.
2) These plants are then consumed by animals and carbon gets bioaccumulated into their bodies.
3) These animals and plants eventually die, and upon decomposing, carbon is released back into the atmosphere.
4) Some of the carbon that is not released back into the atmosphere eventually become fossil fuels.
5)These fossil fuels are then used for man-made activities, which pumps more carbon back into the atmosphere.
Carbon in the atmosphere is present in the form of carbon dioxide. Carbon enters the atmosphere through natural processes such as respiration and industrial applications such as burning fossil fuels.
hi please help i’ll give brainliest
Answer:
The planet to revolve once around the sun
Explanation:
When it does that, it will complete its yearly phase. Some planets tend to revolve faster than others.
Which of the following phases is the first
step in mitosis?
Answer:
prophase is the first phase
Explanation:
PMAT
PROPHASE
METAPHASE
ANAPHASE
TELOPHASE
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WHY IS SOMEONE THAT HELPS THE ENVIRONMENT
Why WHOULD U consider this person an example to follow?
SRE
Statement: Many diseases have both genetic and environmental factors.
Reasoning:
Evidence:
Please help
Answer:
genetic factor is that in a persons DNA a piece of it could malfunction and create some kind of weakness and the air if it is polluted could create some kind of disease because of the dirty air
Explanation:
don't judge me if its wrong but pls give me brainliest im so close to ranking up
pasteurization is not required for which type of egg or egg product ?
Which of the following behaviors is an inherited trait in dogs?
Catching a ball in its mouth
Leading a blind person
Sitting on command
Barking when frightened
otions are in the second question please help asap any links will be reported
Answer:
Trees, crickets, bacteria, and deer are biotic. The rest are abiotic.
Explanation:
Biotic factors are living organisms, while abiotic factors are non living. Hope it helps :)
PLEASE HELP
" Your alien friend from planet Xenon is visiting and wants to learn how to breed pea plants. You show your friend a recent batch of pea plants with purple flowers that you grew by crossing plants that had purple flowers with plants that had white flowers. Your alien friend is still confused as to why all your plants have purple flowers. How would you explain the most, simplest way possible, what happened?
Enter your answer in the space provided. "
Answer:
well you mixed two different types or colors of flowers
Explanation:
Describe one way that a natural event can cause a decline in biodiversity.
Answer:
Earthquakes, landslides, volcanic eruptions and natural bush fires all affect the many different ecosystems on our planet.
Explanation:
::)
Black coat is dominant over white coat in guinea pigs. A homo-zygous black pig is mated with another homo-zygous black pig.
What are the genotypes of the parents?
A.) bb and bb
B.) BB and BB
C.) Bb and Bb
D.) BB and bb
Answer:
BB and BB
Explanation:
please help i am giving away brainiliest
Which of the following is necessary in order for natural selection to act on a
population?
A. selective pressures that favor certain individuals
B. asexual reproduction through mitosis
C. equal chance of survival for all individuals
D. decrease in diversity through genetic drift
no dam links
Answer:
A. selective pressures that favor certain individuals
Explanation:
please help i’ll give brainliest
Answer:
grasshopper and rabbit
Explanation:
What is the proper way to introduce a motion using correct parliamentary procedure ?
Answer:
um i think , that it's i move
Answer:
Step 1: A member of a board who wants to make a motion must first be recognized by the chair of the meeting. ...
Step 2: A member seconds the motion. ...
Step 3: The chair states the motion: “It is moved and seconded to ... ” At this point the motion now belongs to the group (not the maker or the “seconder”).
Explanation:
Step 1: A member of a board who wants to make a motion must first be recognized by the chair of the meeting. ...
Step 2: A member seconds the motion. ...
Step 3: The chair states the motion: “It is moved and seconded to ... ” At this point the motion now belongs to the group (not the maker or the “seconder”).
Describe a Scientific Process.
Answer:
hope it helps
Explanation:
The process in the scientific method involves making conjectures (hypotheses), deriving predictions from them as logical consequences, and then carrying out experiments or empirical observations based on those predictions.
Suppose a human child had a mother with dyed-pink hair and a father who was missing a finger (lost in an accident). Would the child inherit these traits? Explain.
Answer:
No
Explanation:
These traits are not genetic, thus the parents do not carry the sex-specific Alleles to pass off to offspring.
PLSS HELP IMMEDIATELY!!! ILL MARK BRAINIEST IF U DONT LEAVE LINKS OR GUESS!!!
Answer:
Blood is pushed through vessles
Explanation:
all the other answers are... weird.
Answer:
C
Explanation:
Heart needs exercise and at all times if your heart doesn't get rest you die so it's the most important part