Answer:
1) a population of robins die
2) individual->population->community->ecosystem
3) fluctuating slightly over time
4) all members of a particular species in a specific area at a certain time
5) the caterpillers only eat milkweed plants
Explanation:
did the qc
These ecological levels of organization are ranked in ascending order as follows: D. individual → population→ community→ ecosystem.
What is an ecosystem?An ecosystem can be defined as a biological community that is typically made up of living organisms (biotic factors) such as individuals and the physical environment (abiotic factors) in which they interact.
Basically, the individual organisms in an ecosystem forms a population and this also gives rise to a community. This ultimately implies that, the ecological levels of organization are ranked in ascending order as follows:
Individual PopulationCommunityEcosystem.Read more on ecosystem here: brainly.com/question/15971107
A researcher noticed that a similar CH2 molecular structure was also located in the plasma membrane of an animal cell. This CH2 molecular structure contained a negatively charged phosphate group. Which statement BEST describes the primary function of the CH2 and phosphate molecular structure located in the plasma membrane?
A. It contains the genetic information needed for protein production.
B. It catalyzes specific chemical reactions in the cytoplasm of a cell.
C. It stores the energy that a cell needs to perform various life processes.
D. It allows a cell to regulate the movement of materials into and out of a cell.
Answer:
it allows a cell to regulate the movement of materials into and out of a cell.
Answer:
D. It allows a cell to regulate the movement of materials into and out of a cell.
Explanation:
I got it right on my test.
look at pic n answer please
Answer:
I think B hopefully thats the asnwer
Which is a non-Mendelian trait?
A. A trait controlled by many genes
B. A trait with a clearly dominant form
C. A trait controlled by one gene
D. A trait with two alleles
Answer:
The answer would be A.
Explanation:
Non-Mendelian traits are traits that are not passed down with dominant and recessive alleles from one gene. Examples of polygenic traits are hair color and height. ... Other traits, such as blood type, show codominance, where there is no dominant or recessive allele.
A non-Mendelian trait would be a trait that is controlled by many genes. The right option would be A.
Mendelian traits are traits that obey the principles of the Mendelian laws While non-Mendelian traits simply do not conform with the principles and laws of Mendel.
A trait that is Mendelian would have the following:
Show simple dominance or recessive formControlled by a single geneEach gene must have 2 alleles. The 2 alleles can be the same (homzygous) or different (heterozygous).Thus, a trait that is controlled by many genes is clearly a non-Mendelian trait.
More on Mendelian traits can be found here: https://brainly.com/question/22783595
What gases is used ______ released ______?
Answer: Cars and Carbon dioxide
Explanation:
What gases is used cars released carbon dioxide
Help me PLEASE! Choose one answer! First one to answer get Brainliest!
14.) What kind of fossil formation creates a hollow area in the rock that is the shape of an organism?
A.) Cast
B.) Trace Fossil
C.) Body Fossil
D.) Mold
Answer:
a mold
Explanation:
The hard parts completely dissolve over time, leaving behind a hollow area with the organism's shape.
Answer:
I think its D)Mold
Explanation:
Can anyone help? I’ll give brainliest!! :)
Describe the types of matter and energy that are transferred or converted during each of these processes (photosynthesis and cellular respiration). Make sure to specify the process involved with each transformation or conversion.
Answer:
plasma gun and kfc
Explanation:
What is a base-pair substitution?
(gene mutation)
Answer:
noun, plural: base pair substitutions. A type of mutation involving replacement or substitution of a single nucleotide base with another in DNA or RNA molecule. Supplement. This type of mutation occurring in noncoding sequences often does not result in an altered amino acid sequence during translation.
Explanation:
hope that helps:)
Write three facts about recessive heredity genes
Answer:
Recessive is a quality found in the relationship between two versions of a gene. Individuals receive one version of a gene, called an allele, from each parent. If the alleles are different, the dominant allele will be expressed, while the effect of the other allele, called recessive, is masked...?
Explanation:
I need this asaapp!!!
C I think I hope my answer helps
As an airplane rises through the atmosphere, machines cause the pressure inside the cabin to decrease. Why is this change in pressure necessary?
Answer:
I think D or B i hope this helps!
Explanation:
Answer: Air pressure inside the plane should match the air pressure outside the plane.
The plane needs to stay balanced.
Got it right on the test.
Which of the following can be interpreted from an age-structure diagram of a country? *
1 point
The maximum age when women give birth
The total fertility rate of the population
The relative population growth rate of the population
The carrying capacity of the local environment
Answer:
a
Explanation:
Describe the two negative impacts that deforestation causes concerning greenhouse gases?
Answer:
Without trees the greenhouse gases will affect our health and it will also decrease the amount of oxygen. With deforestation there will be less trees which means less oxygen as well as no shade for when we go hiking, and it will get rid of animal habitats.
Explanation:
How many pairs of homologous chromosomes are in this picture?
Help plz
Answer:
3
Explanation:
they are in a similar gene position
A leaf cell has a very low concentration of salt. What would happen to a leaf cell if it were placed in a highly concentrated salt solution?
A) The cell would lose water and the membrane would shrink slightly
B) The cell would gain water and break the cell wall
C) The cell would gain water and stretch the cell wall
D) The cell would lose water and the membrane would collapse
Answer: D if I am correct
Answer:
D) The cell would lose water and the membrane would collapse
Explanation:
In order for protein synthesis to occur, both transcription and translation must occur. Which of the following statements describes the difference between transcription and translation?
In transcription, the genetic code of a DNA molecule is encoded. Translation is the process of converting the DNA code into a code that RNA can use.
In transcription, an amino acid chain is encoded in a DNA molecule. Translation is the process of turning the amino acids into nucleic acids in an RNA molecule.
In transcription, a double helix DNA molecule is split into two separate single strands. Translation is the process of joining each single DNA strand with a single strand of matching RNA.
In transcription, the genetic code of a DNA molecule is transferred to a messenger RNA molecule. Translation is the process of creating an amino acid chain using the encoded messenger RNA.
Answer:
1
Explanation:
In transcription, the genetic code of a DNA molecule is transferred to a messenger RNA molecule. The translation is the process of creating an amino acid chain by using the encoded messenger RNA. So the correct option is D.
What are transcription and translation?The first step in the process of gene expression is called transcription. In this process, the DNA sequence of a gene is copied for the formation of an RNA molecule.
RNA polymerase enzymes link the nucleotides of DNA to form an RNA strand. The DNA strand is the template. For every gene in the genome, transcription is separately controlled.
The translation is the process by which an mRNA molecule encodes for a protein. The process of translation happens with the help of tRNA in the ribosomes.
Translation requires ATP which is produced by the tRNA. The tRNA in the ribosomes supplies energy to RNA for the transcription of proteins The entry of mRNA occurs by the smaller subunit of RNA and the amino acid chain extends from the larger subunit.
Therefore the correct option is D.
Read more about translation and transcription, here
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Which statement correctly describes why a compound is a pure substance?
A compound is not a pure substance because each of its molecules is made up of the atoms of two or more different elements.
A compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means.
A compound is not a pure substance because it is not an element, and only elements are pure substances.
A compound is a pure substance because it consists of two different elements, which are pure substances.
Answer: b. A compound is a pure substance because its molecule cannot be broken down into simpler particles by physical means.
Answer:
b
Explanation:
Which of the following is not a symptom of desertification?
A) decrease in salt content of the soil
B) lowering of the water table
C) reduced surface water
D) increased soil erosion
E) loss of native vegetation
Answer:
A
Explanation:
Effects of salts on plants As soils become more saline, plants become unable to
what are plant leaves preserved as
Plant parts are flattened and at least some of the original plant material remains. Leaves are often preserved as compressions.
Answer:
rrtrrrfddddddddfffffffddddd
Explanation:
Help me PLEASE! Choose one answer! First one to answer get Brainliest!
5.) A type of fossil that traces an organism’s existence or behavior such as a nest, footprints, or droppings.
A.) Body Fossil
B.) Trace Fossil
C.) Petrified Fossil
D.) Cast
Answer:
B
Explanation:
Trace fossil because it tracks the activities and behavior of the past life. the fossils are different from body fossils that preserve the actual remains of the body such as shells or bones.
During replication, enzymes called ____________________ untwist the double helix, separating the two parental strands. The point at which the two chains separate is known as the _______________________.
Answer:
During replication, enzymes called helicases untwist the double helix, separating the two parental strands. The point at which the two chains separate is known as the replication fork.
Explanation:
Replication is the process of multiplication of DNA molecules where, from one molecule, two molecules with the same information as the original can be obtained.. Each new replicated DNA molecule has an original strand and a new strand, so replication is semi-conservative.
For replication to occur, the double strand of DNA must be separated, a process that requires the participation of a group of enzymes called helicases. The helicases are responsible for breaking the hydrogen bonds between the complementary bases of one strand and another.
The DNA strands, when separated, form a zipper-like image, and the point of separation between the two is called the replication fork.
The study of genes is called genetics.
The correct answer is During replication, enzymes called helicases untwist the double helix, separating the two parental strands. The point at which the two chains separate is known as the replication fork.
What is replication?Replication is the process of multiplication of DNA molecules where, from one molecule, two molecules with the same information as the original can be obtained. Each new replicated DNA molecule has an original strand and a new strand, so replication is semi-conservative.
For replication to occur, the double strand of DNA must be separated, a process that requires the participation of a group of enzymes called helicases. The helicases are responsible for breaking the hydrogen bonds between the complementary bases of one strand and another.
The DNA strands, when separated, form a zipper-like image, and the point of separation between the two is called the replication fork.
For more information about the DNA, refer to the link:-
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I dONt WaNt TO `PLaY wItH a FisHEy On Me :)
Answer:
better slap your knee
Explanation:
tiko
Answer:
your life your choice.you is free to choose
!!!!!!!WILL MARK BRAINLIEST!!!!!!!!!A sudden increase in activity level can cause stress fractures.
OA True
OB. False
Answer:
Its True
Explanation:
This is called bone stress. This can develop into a stress fracture if the level of load bearing/activity is not reduced. Stress fractures commonly occur when there is a sudden change in physical activity or increase in training without enough rest time for the bone to adapt and remodel.
What is our heart made out of?
Explanation:
blood and veins i guess.
Help me PLEASE! Choose one answer! First one to answer get Brainliest!
3.) An organism's pre-birth stage of development?
A.) Fossil Record
B.) Embryo
C.) Coral
D.) Gastropod
Answer:
it is the embryo 100% I am sure of it
Answer:
B
Explanation:
Embryo is an organism in the earlier stages of development; in humans, usually the cell growth up to the end of the seventh week in utero
Respiration and photosynthesis have the opposite raw materials and products. These two processes are known as
- Helper processes
- Similar processes
- Coupled processes
- Complementary processes
Answer:
Complementary Processes
Explanation:
Answer:complementary processes
Explanation:
Please explain how cellular respiration and photosynthesis are considered opposite processes. Do not tell me on how the equations are reverse of each other, that is not what I am looking for.
Answer: when the 6CO2 and the 6H2O in photosynthesis go in and they break up in to partials and they change and form in to 6O2 and C6H12O6, and then when the 6O2 and the C6H12O6 go in to cellular respiration and they do the same thing only 6CO2 and 6H2O comes out and the process start all over again.
Explanation:
whats atp synthesis and diffusion of water?
Answer:
ATP synthase is an enzyme that catalyzes the formation of the energy storage molecule adenosine triphosphate using adenosine diphosphate and inorganic phosphate. Water moves across cell membranes by diffusion, in a process known as osmosis. hope that helps for now..
What important event a take place during prophase I
Answer:
chromatin condenses to form visible chromosomes
the nucleus and nucleolus disintegrate
homologous chromosomes pair up to tetrads
Explanation:
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Do you think an organism can survive alone in nature. justify your view.
Answer:
no it cannot live alone because nature depends on everyone
what are the differences between RNA and DNA
Answer:
The difference between RNA and DNA is the sugar present in the molecules
Explanation:
In RNA,the sugar molecule present is Ribose while in DNA the sugar molecule present is Deoxyribose.