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Which of the following is an example of a difference between planets in the solar system?
A) A planet can have a surface made of either liquid or gas.
B) Some planets have thick atmospheres, while others have thin atmospheres.
C) A planet must have a moon, but it can differ in terms of its size.
D) All planets have rings, but some are very hard to see with your eyes.
Answer:
A
Explanation:
others answers give variables that still apply to planets
An example of a difference between planets in the solar system is some planets have thick atmospheres, while others have thin atmospheres. The correct option is B.
What is a solar system?The Solar System is made up of the Sun and the planets that orbit it, including Earth. Other planetary systems are occasionally referred to as exoplanetary systems.
A group of gravitationally bound non-stellar objects in or out of orbit around a star or star system is known as a planetary system.
Some planets have thick atmospheres, while others have thin atmospheres. These planets have different densities, some planets are gaseous and some are solid.
Therefore, the correct options are B). Some planets have thick atmospheres, while others have thin atmospheres.
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Which of the following is the correct order of the parts of a flower, starting from the outside and then going inside?
carpel, petal, sepal, stamen
carpel, stamen, sepal, petal
sepal, petal, stamen, carpel
petal, sepal, carpel, stamen
Answer:
C.) Sepal, Petal, Stamen, Carpel
Explanation:
Answer:
sepal, petal, stamen, carpel
( carpel ) is the following term for a female flower!
Explanation:
Edge 2021
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Which common characteristic of a planet can be described as bands of ice and rock that encircle it?
A) Atmosphere
B) Moons
C) Surface
D) Rings
the answer will be D. Rings
Answer:
D)rings
Explanation:
5. Two bodily structures, found in different species, have different
internal bone structures but serve a similar purpose in each organism. BLS4.1
A-homologous structures
B-Vestigial structures
C-analogous structures
D-natural selection
Answer: Natural Selection
Explanation:
Due to evolution, two bodily structures, found in different species, having different anatomical structures develops to perform a similar purpose in each organism indicates analogous structures.
What is evolution?"Evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection."This results in formation of new species.What is anatomical structure?"An anatomical structure is any biological entity that occupies space and is distinguished from its surroundings."The anatomical structures include: vestigial (structure not in use reduces in size over the time), homologous (same structures having, different function) and analogous structure.What is analogous structure?The two structures from different origin developed in same directions for adaptation to same needs are called analogous structure i.e., different structure develops to perform a same function.The feathered limbs of one species and the wings of another perform same function i.e., helps them to fly.
Hence, the correct option is C- analogous structures.
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Cathy placed a sample of yeast, a single-celled eukaryote, in a closed test tube containing a solution of glucose. How will the composition of the air in the test tube change as the yeast interacts with the glucose?
A) The oxygen level will increase.
B) The carbon dioxide level will decease.
C) The carbon dioxide level will increase.
D) The level of carbon dioxide and oxygen will remain the same.
Answer:
The answer is C
Explanation:
In the presence of oxygen, yeast undergo aerobic respiration and convert carbohydrates (sugar source) into carbon dioxide and water.
Hope it helps.
The level of carbon dioxide will increase.
• In the given case, yeast will go through the process of aerobic respiration and convert the glucose present into the usable energy form.
• The majority of the prokaryotes and eukaryotes utilize aerobic respiration to get the energy from glucose.
• In the process of aerobic respiration, the catabolism of glucose will occur, which will convert it into water, carbon dioxide, and energy.
• In the process, molecular oxygen is the ultimate electron acceptor.
• Therefore, in the given case, with the interaction of yeast with the glucose, the level of carbon dioxide in the test tube increases.
Thus, the correct answer is option C.
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If similarities between two structures in different organisms reflect independent evolution, these structures are
Answer: small
Explanation:
Anton van
Leeuwenhoek used his
microscope to...
Answer:
Antonie van Leeuwenhoek used single-lens microscopes, which he made, to make the first observations of bacteria and protozoa. His extensive research on the growth of small animals such as fleas, mussels, and eels helped disprove the theory of spontaneous generation of life.
When did the Devonian period begin?
Answer:
419.2 (+/- 3.2) million years ago
Explanation:
419.2 (+/- 3.2) million years ago
Which of these statements best explains why DNA is similar in most living organisms?
a. All organisms have the same number of chromosomes
b. All chromosomes have the same number of DNA nucleotide base pairs
c. All DNA contains the same bases that code of the same amino acids
d. All SNA is passed from one generation to the next during reproduction
b. all chromosomes have the same number of DNA nucleotide
What is gene flow and how does it attect the gene pool?
(does it increase or decrease genetic variation?)
Answer:
Gene flow, also called gene migration, the introduction of genetic material (by interbreeding) from one population of a species to another, thereby changing the composition of the gene pool of the receiving population. The introduction of new alleles through gene flow increases variability within the population and makes possible new combinations of traits. In humans gene flow usually comes about through the actual migration of human populations, either voluntary or forced.
A living thing that gets energy directly from the sun is a:
consumer
predator
producer
producer
Explanation:
Producers are organisms that get their energy directly from the Sun. Their cells are able to turn sunlight into food through a process called photosynthesis.
hope it helps!
G1 cyclins are responsible for
o destroying mitotic cyclins.
O activating CdKs.
o controlling the G2 phase.
O signaling mitosis.
Answer:
B. activating CdKs.
Explanation: Just answered it.
Answer:
B
Explanation:
EDGE2021
when should you waft a chemical?
Answer:
When you are in the laboratory and take a direct sniff of the chemicals you are using, you run the risk of damaging your mucous membranes or your lungs. When it is necessary to smell chemicals in the lab, the proper technique is to cup your hand above the container and waft the air toward your face.
Explanation:
Have A Wonderful Day !!
From what material did the moon form?
Answer:
rock and metal
that is what it is made of.
What phase of the cell cycle is this cell in?
Answer:
That’s cell is in prophase! Hope this helps!
Explanation:
What would cause a change in the phenotype of the offspring that was NOT present in the parent?
Answer:
Genes come in different varieties, called alleles. Somatic cells contain two alleles for every gene, with one allele provided by each parent of an organism. Often, it is impossible to determine which two alleles of a gene are present within an organism's chromosomes based solely on the outward appearance of that organism. However, an allele that is hidden, or not expressed by an organism, can still be passed on to that organism's offspring and expressed in a later generation.
what are the 4 different bases in dna and how do they pair?
Answer:
Attached to each sugar is one of four bases--adenine (A), cytosine (C), guanine (G), or thymine (T). The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
When roan cattle are mated, 25% of the offspring are red, 50% are roan, and 25% are white. Upon examination, it can be seen that the coat of a roan cow consists of both red and white hairs. This one trait is controlled by ____
a) complete dominance
b) co-dominance
c) inbreeding
d) incomplete dominance
Answer:
Incomplete dominance.
Explanation:
Incomplete dominance is where both recessive and dominant traits are present.
When roan cattle are mated, 25% of the offspring are red, 50% are roan, and 25% are white. Upon examination, it can be seen that the coat of a roan cow consists of both red and white hairs. This one trait is controlled by co dominance where the two genes express themselves together.
What is dominance ?It is defined as the property of dominant gene in which the dominant gene express itself where the expression of dominant gene is called as dominance.
Here, both the colors of the species are found in the offspring or progeny here in this case it is found that the 25% of the species that are red are called as dominant genes, 25% of the white cattle are white having recessive gene and there is 50% having both the red as well as white cattle that represents co dominance.
Complete dominance means the gene which is dominant in nature will express itself completely. Inbreeding is the mating of the individuals together of the same race together in order to produce progeny.
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What is most likely to occur with this recombinant DNA? Question 1 options:
a.The goat will begin to produce a single protein made by a spider
b.The goat will not recognize the spider gene since it is from a different species of organisms
c.The goat will begin to produce all proteins that a spider can produce
d. The spider will produce proteins made by the goat
80 points and brainleast
which part of a lake is most likely to have no photosynthesis?
littoral zone
biotic zone
benthic zone
limnetic zone
Answer: The Benthic zone would most likely be the part of a like wherein it is mostly aphotic in nature. In addition, the benthic zone is usually located at the bottommost layer of the lake wherein it is usually characterised by having sediments that support huge amounts of vegetation on the layer.
Explanation:
Answer:
benthic zone
Explanation:
The movement of negative charges between nonconducting objects that are touching is called transferring charge by
-Conduction
-Contact
-Induction
-Polarization
The movement of negative charges between nonconducting objects that are touching is called transferring charge by Conduction.
which statement best describes molecular structure of protein, along with one of the functions of proteins?
Answer:
It is a complex, folded chain that helps regulate cell processes.
Explanation:
on edge 2020 exam
Answer:
It is a complex, folded chain that helps regulate cell processes.
Explanation:
Edg 2021
What is the main cause of the damage to trees on Grandfather Mountain?
A. methane gas from agriculture pollution
B. nitrous oxides from automobiles
C. carbon dioxide from automobiles
D. sulfur dioxide from coal-fired plants in Tennessee
Answer:
A. Methane gas from agriculture Pollution.
Explanation:
Methane gas is a great contributor to the global warming. It effects the green house of the earth and ozone layer is deteriorated. Grand father mountains are located in the North Carolina where the Methane gas pollution destroys the trees.
Answer:
C
Explanation:
The is the answer choose this one The tree tops of Grandfather Mountain in eastern North Carolina died because acids created from sulfur compounds from burning of coal in power plants in Tennessee.
Explain what would happen if some type of virus destroyed all the ribosomes in a cell.
PLEASE HELP!!! DUE TODAY IN 10 MINS!!! (dont mind the right side-)
Answer:
mendel and darwin!! hope this helps!!
Explanation:
what caused seed abundance to decrease from 1975 to 1978
Answer:
The finch population decreased.
Explanation:
When finches eat seeds, some pieces fall onto the ground which grow up to have more seeds. The seeds that survived were too big for a finches tiny beak. Without this cycle in place, seeds had no way to reproduce.
The population of finch gradually decrease from 1975 to 1978 that caused the seed abundance to decrease too.
What is the reason for decrease of seed abundance in 1975 to 1978?During 1975 to 1978, there were no small seeds present for the feeding of finches, this cause the gradual decrease in the number of small beak finches.
Many small beak finches died during this time.
This affects the seed production too, because when birds eat seeds they help them to disperse in many other areas, which increase pollination and increase seed production.
Thus, when the population of finches decrease, the seeds production also decreases during 1975 to 1978.
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2 reasons why people might selectively breed cats
Other then to stop allergies
Answer:
to keep the icosystem bidiversted
. The Clydesdale is a large breed of horse that was used for specific farming purposes, such as plowing and pulling wagons. The biggest and most muscular male horses were crossed with the biggest and most muscular females to produce the strongest offspring possible. This is an example of
Answer:
artificial selection/selective breeding
Explanation:
The illustration is an example of artificial selection.
By definition, artificial selection is the deliberate perpetuation of some traits in living organisms simply because the traits are desirable. The organisms are selected because of the traits and allowed to breed either naturally or otherwise in order to ensure that these traits appear or are even consolidated in the offspring of the breeding.
The offspring from selective breeding are expected to combine the desirable traits of the two parents and thus, appear better than each of the parents.
Answer:
artifical breeding
Explanation:
Which molecules are inputs in photosynthesis?
Answer:
CO2 and H2O
Explanation:
the photosynthesis equation is
6CO2 + 6H2O --> C6H12O6
co2 and h2o are before the yield sign so they are inputs
In a certain population of rabbits the allele for brown fur is dominant over the allele for white fur if 10 out of 100 rabbits have white fur what is the allele frequency for the dominant allele
A) 0.68
O
B) 0.10
O
C) 0.95
O
D) 0.90
The Hardy-Weinburg equation is p + q = 1, or p^2 + 2pq + q^2 = 1, where p is dominant and q is recessive. If 10 out of 100 rabbits have white fur, 10% of the rabbits have white fur. Therefore, 90% of the rabbits have brown fur, which can be substituted into the first equation to become 0.9 + 0.1 = 1. Now that we know what p and q equal, we can solve the rest of the equation.
0.9^2 = 0.81
0.9 * 0.1 * 2 = 0.18
0.1^2 = 0.01
Therefore, the allele frequency of the recessive allele is 0.1
Answer:
B 0.10
Explanation:
