Answer:
within these layers of sediment through time. The changing abundances of these fossils through time can tell us whether a change in the environment or climate was gradual or abrupt.
Explanation:
Fossils within these layers of sediment through time. The changing abundances of these fossils through time can tell us whether a change in the environment or climate was gradual or abrupt.
What do you mean by fossils?Fossils are the preserved remains of plants and animals whose bodies were buried in sediments, such as sand and mud, under ancient seas, lakes and rivers.
A fossil is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber.
Fossils are the geologically altered remains of a once-living organism and/or its behaviour. There are two main types: body fossils represent all or part of the organism's body.
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what happens when an atom has lost an electron comes in contact with an atom that has gained an electron?
Answer: When an atom that has lost an electron comes in contact with an atom that has gained an electron, usually the the two atoms would attract each other and form a compound. This compound would be ionic since it is governed by ionic bonding.
Explanation:
How many divisions take
place during meiosis in
order to produce the four
haploid (reproductive)
cells?
A. two
B. one
C. four
Answer:
two cell divisions happen throughout the overall process, so a result of four haploid cells are produced.
Explanation:
A because it consists of two nuclear divisons resulting in four nuclei that are usually turned into four new haploid daughter cells
Which of the following best describes the matter present in an ecosystem?
A.
New matter is continuously generated by an ecosystem in a process known as photosynthesis.
B.
The waste materials generated by one organism are often reused by other organisms.
C.
The total amount of matter in an ecosystem is constantly decreasing due to the process of decomposition.
D.
When an organism reproduces, new matter is added to its ecosystem.
Answer:
D
Explanation:
When an organism reproduces, new matter is added to its ecosystem, is the correct answer.
Answer: It's is the second one. The waste materials generated by one organism are often reused by other organisms.
Explanation: Mass, or matter, is conserved in all physical and chemical changes. Matter is not created or destroyed within ecosystems, it only undergoes physical or chemical changes. One example of this process is that the waste materials generated by one organism are often reused by other organisms as food or nutrients.
The ovaries release the female gamete each month.
True
False
The cellular mechanism that determines the independent assortment of maternal and paternal chromosomes is: Please choose the correct answer from the following choices, and then select the submit answer button. determined by their dominant or recessive inheritance pattern. separation of sister chromatids at anaphase II of meiosis. separation of sister chromatids at anaphase I of meiosis. separation of homologous pairs at anaphase II of meiosis. separation of homologous pairs at anaphase I of meiosis.
Answer:
separation of homologous pairs at anaphase I of meiosis.
Explanation:
Independent assortment law establishes that the alleles from two or more different genes distribute in gametes independently from each other. In other words, a gamete receives an allele from a gene that does not depend or influence the allele of another gene in the same gamete. This random distribution can only be applied to independent genes. These genes segregate independently after crossing over because they are located far away from each other.
When cell division is going on by meiosis, it involves the random and independent segregation of the alleles. During anaphase I (meiosis), the pairs of homologous chromosomes separate independently of each other. Each integrant of the homologous pair migrates to opposite poles of the cell. This separation generates different chromosomal combinations in the daughter cells. The process is as follows.
During metaphase I, homologous pairs together migrate to the equatorial plane, where they randomly aline with their kinetochores facing opposite poles. The random arrangement of tetrads is different in every cell going through the meiosis process. There is no equal alinement between two cells. When tetrads aline in the equatorial plane, there is no predetermined order for each of the homologous chromosomes of each tetrad to face one of the poles and then migrate to it while separating. Any chromosome of the homologous pair might face any of the poles and then migrate to it. Each of the chromosomes has two possibilities for orientation at the plane. During anaphase I, each of the homologous chromosomes migrate to the corresponding pole. When the new haploid cells are formed, the number of variations in each cell is also different and depends on the chromosomes that form that cell. This random order in the equatorial plane is what introduces variation into the gametes. It is almost impossible that two gametes resulting from meiosis will get the same genetic charge.
6. Which of the following statements best describes one way that the Moon is different from
Earth?
a. The Moon is not solid.
b. The Moon has no gravity.
c. The Moon has almost no atmosphere.
d. The Moon receives almost no solar light.
Answer:
b. The Moon has no gravity.
Answer:
B
Explanation:
Which observation could be traced back to the practices of early hunter gatherer societies ? A.The use of rooftops for family gardens B. The disappearance of many large herbivores C. Air, water, and land polluted by fossil fuels D. Evidence of artificially irrigated land
Answer:
B
Explanation:
Directions: Answer the questions below. In order to earn full points students must have original descriptions, labels, and drawings/sketches of their own ideas. Images copied/pasted from our models, online, or searches will not count.
1) Draw/sketch and describe what the structure of DNA is [5pts]
2) Draw/sketch and describe how DNA Replicates. Make sure to label important players involved [5pts]
3) Describe Transcription [3pts]
4) Where does transcription take place in the cell? [2pts]
DNA and RNA are examples of what?
A. Nucleic Acids
B. Lipids
C. Carbohydrates
Answer:
A Nucleic Acids
Explanation:
i hope this help :)
Answer:
A
Explanation:
DNA:Deoxyribonucleic Acid
Same with RNA too
They are the form of nucleic acids.
What is this the answer for this ?
Answer:
protease
Explanation:
A protease (also called a peptidase or proteinase) is an enzyme that catalyzes (increases the rate of) proteolysis, the breakdown of proteins into smaller polypeptides or single amino acids
what is seedbed preparation?
Answer:
love means love you 19035
Answer:
Seedbed preparation is an important step that can optimize seed germination and survival rate. Final seedbeds can be prepared by disk, harrow, or chisel plowing. The means of preparation will vary with the species selected and the availability of equipment.
Explanation:
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Which is the marine file snake's species within its genus?
a) Acrochordus
b) granulatus
Answer:
It is achrochordus
Explanation:
I looked it up
How many children did the original couple have?
Answer:
2
Explanation:
The student wants to make a model to provide information about cellular respiration. Drag and drop the
responses below to complete the model.
carbon dioxide and water
chemical bonds
energy released
glucose and oxygen
mitochondria
Answer:
where? mitochondria
inputs. carbon dioxide and water
outputs. glucose and oxygen
energy resources. chemical bonds
energy result. energy released
im not sure but hope this helps :)))
reason for Earth and Moon similarity ______
Over the past 300 years, how did the role of the ocean change with respect to the amount of carbon dioxide in the atmosphere
Answer:
Ocean plays the role of regulator.
Explanation:
The role of the ocean change with respect to the amount of carbon dioxide in the atmosphere because oceans plays a role of regulator and balancer. When there is high amount of carbon dioxide in the atmosphere due to burning of fossil fuels and volcanic eruptions so the ocean absorb that extra amount of carbon dioxide from the atmosphere while on the other hand, when there is decrease in the concentration of carbon dioxide in the atmosphere, the ocean gives its carbondioxide gas to the atmosphere to regulate the concentration.
Which areas of the ocean experience the greatest variation in salinity?
Answer:
The Atlantic ocean is the saltiest
Why do single-celled organisms divide?
A.to repair damaged cells
B.to transmit genetic material by reproduction
C.to reduce the number of chromosomes in the cell
D.to increase the number of chromosomes in the cell
Answer:
C
Explanation:
Single-celled organisms use cell division as their method of reproduction
Please help me I’ll mark as brainliest
Answer replicate the genes
Explanation:
PLEASE HELP!!!!!!!!!!!!!!
WILL GIVE 20 POINTS!!!!!!!!!!!
What does the dotted lines on this cladogram represent?
What is the product P?
A)
Energy
B)
Glucose
C)
Hydrogen
D)
Nitrogen
Answer:
A)
Energy
Explanation:
Straps of connective tissue which holds bones together at the joints are:
-perlosteum
-cartilage
-muscles
-ligaments
Answer:
ligaments are Straps of connective tissue which holds bones
PLEASE HELLP ME
Which of the following claims correctly describes a kingdom of Domain Eukarya?
A. Kingdom Protista includes single-called organisms that lack nuclei
B. Kingdom plantae includes multicellular organisms that can move independently
C. Kingdom animalistic includes multicellular organisms that make their own food
D. Kingdom fungi includes organisms that get energy by decomposing materials in their environment
Answer:
D
Explanation:
1. protists have nuclei
2. plants don't move independently
3. animals don't make their own food
so option D is the best option
good luck
The following claims correctly describes a kingdom of Domain Eukarya is Kingdom fungi includes organisms that get energy by decomposing materials in their environment.
What are the main features of the Fungi kingdom?Fungi are heterotrophic and eukaryotic organisms that can be unicellular or multicellular. The vast majority of species are filamentous, and these filaments are called hyphae. Some fungi are formed by several densely packed hyphae, which form the so-called mycelium.
The Fungi Kingdom is represented by unicellular or multicellular eukaryotic organisms, being found in the most diverse types of environments. Fungi include mushrooms, molds, wood ears, lichens, among other organisms.
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Use the diagram to identify the stream profile that correctly illustrates
settlement deposition
A. Profile 1
B. Profile 3
C. Profile 2
D. Profile 4
SOMEONE HELP I HAVE 51 ASSIGMENTS DOU BY WEDNES
How do mutations occur in the genetic code? This represents crossing over during meiosis.
a) During DNA replication, the original DNA strand GTC ACA GGC ATC is copied into complementary strand CAG CCG TAG. This is an example of deletion.
b)Mutations can only occur when passed on thorough reproduction. The majority of mutations are the result of exposure to mutagens.
c)A woman who has sickle cell anemia passes this disease on to her offspring. This means that the mutation for sickle cell anemia MUST occur in the woman’s gametes.
d)Mutations can be silent and not affect the organism that has them.
Answer:
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Explanation:
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Answer:
6
Explanation:
Answer:
B
Explanation:
If the shaded part is the trait then half would only be carriers and would not actually have the trait. It would need to be fully shaded. So only 4.
Please help I will mark brainliest.
Answer:
Seed shape:
Purebred dominate - SS
Purebred recessive - ss
Hybrid - Ss
Seed colour:
Purebred dominate - RR
Purebred recessive - rr
Hybrid - Rr
Seed coat colour:
Purebred dominate - CC
Purebred recessive - cc
Hybrid - Cc
Pod shape:
Purebred dominate - GG
Purebred recessive - gg
Hybrid - Gg
Pod colour:
Purebred dominate - PP
Purebred recessive - pp
Hybrid - Pp
List two advantages for synthetic fertilizers
Answer:
Cheaper to purchase than organic
Nutrients are concentrated, only small amounts needed
Nutrients are quickly available for plant absorption
Answer:
They're faster acting than organic making them a good choice for aiding plants in severe distress from nutrient deficiencies. These fertilizers, which come as dry, granular pellets or water-soluble products, also provide even, consistent feeding.
I asked this question yesterday and no one responded so I'm asking it again. BTW this is my bio homework. Thank you
Answer:
figure 18 is equal to 16
Explanation:
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1. Which statement below is true?
A. The Earth projects a shadow on the moon.
B. The moon is always half lit by the sun no matter where it is.
C. As the moon travels around the Earth, the Earth shadows portions of it.
D. The Earth rotates around the moon causing a difference in light and shadows.
Answer:
B
Explanation:
No matter the rotation, the sun is still covering a portion of the moon.