Answer:
A.
Explanation:
If they have know where to live, they can't overpopulate. The question ask what will happen to the polar bears so C can no be it. Polars Bears do not have the features for them to become another species.
What is one difference between renewable and nonrenewable resources?
Provide one example of a renewable energy source, and one example of a nonrenewable energy source.
Use these sentence starters to help you:
One difference between renewable and nonrenewable energy sources is _______________.
One example of a renewable energy source is ___________.
Answer:
Explanation:
1. a renewable resource can be repeatedly and replace naturally. but a non renewable resource cannot be repeatedly and replaced shortly.
2. Renewable Resources Nonrenewable resources
--> Solar Energy --> Oil
3. One example of a renewable energy source is _solar energy_
Answer:
One difference between renewable and nonrenewable energy sources is that renewable sources of energy can be renewed naturally overtime while nonrenewable sources of energy are not replaceable and have a limited quantity.
One example of a renewable energy source solar energy.
Please mark it as a brainliest answers
what features do paramecia and salamanders share?
Answer: Earthworms and gorillas.
Explanation:
Paramecia and salamanders. Ask the students to list as many features as they can think of that their two organisms have in common.
How would this hypothesis be different from a scientific law? Review the definitions of law and hypothesis to help you. (2 points)
Can someone help me please :)
Answer:
yes
Explanation:
RNA can because the one that has more checks is the correct one
In this illustration, the rings around the Sun represent
A)
orbits.
B)
sun rays.
C)
radiation.
D)
dust particles.
Answer:
I think the answer is C. radiation
Explanation:
Radiation is around the rings and makes some type of weather.
Which protein is used to reinforce the sarcolemma and help transmit the tension generated by the sarcomeres to the tendons?.
Answer:
dystrophin
Explanation:
Dystrophin is the protein used to reinforce the sarcolemma and help transmit the tension generated by the sarcomeres to tendons.
What is Sarcolemma?The sarcolemma, which is the muscle cell's plasma membrane, is encircled by endomysial connective tissue and a basement membrane. The sarcolemma is a membrane that is excitable and has several characteristics in common with the membrane of neuronal cells. The sarcotubular system, which extends into the interior of the muscle fiber as T-tubules, is an invagination of the sarcolemma. Through this system, the sarcolemma's depolarization spreads throughout the muscle fiber's interior. The sarcoplasmic reticulum, a second tubular structure within the sarcoplasm, is directly in contact with the T tubules as they extend into the interior of the muscle fibers towards the junction of the A and I bands. A "triad" is a tight arrangement of one T-tubule that is bound by the sarcoplasmic reticulum on both sides. Around the myofibrils, the sarcoplasmic reticulum forms a fine plexus. Ca2+ is released from the sarcoplasmic reticulum and the myofilaments begin to contract as a result of stimulation of the sarcolemma and T tubules.To learn more about sarcolemma, refer to
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ASAP
15. If out of 100 offspring, 74 are purple flowered and 26 are white, what were the likely genotypes and
phenotypes of the parents if this is a simple monohybrid cross?
Answer:
so it would be a 3 : 1 ratio.
Explanation:
The probable genotypes of the parents is Pp (Purple). When we will cross the two heterozygous purple flowers we will get the purple and white coloured flowers
The ratio would be 3:1. The parents' likely genotypes are Pp (Purple). Purple and white colored flowers will result by crossing two heterozygous purple blooms.
What are Genotypes and Phenotypes?The type of variant existing at a specific locus (i.e., region) in the genome is scored by what is known as a genotype. Symbols can be used to symbolise it. For illustration, BB, Bb, and bb might be employed to denote a certain gene variant.
The term "phenotype" refers to an organism's observable qualities, which are a multifactorial result of hereditary attributes and environmental factors. The physical, biochemical, physiological, and behavioral characteristics of an organism make up its phenotype.
Pp is the likely genotype of the parents (Purple). In the example presented above, combining two heterozygous purple blossoms will produce flowers that are both purple and white.
Thus, the ratio would be 3:1. The parents' likely genotypes are Pp (Purple). Purple and white colored flowers will result by crossing two heterozygous purple blooms.
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Over millions of years, the shape of mountains on Earth’s surface can change to low hills and then to rolling plains. These changes are most likely caused by--
Answer:
Over millions of years, the shape of mountains on Earth’s surface can change to low hills and then to rolling plains. These changes are most likely caused by weathering and erosion.
These changes are most likely caused by weathering and erosion
What is weathering and erosion?weathering is the breakdown or dissolution of rocks and minerals. After a rock has been broken down, the bits of rock and minerals are carried away by erosion.
Erosion is a geological process in which natural forces like as wind and water wear away and transfer earthen materials.
How does weahering and erosion cause breakdown of large hills?weathering and erosion speeds up the process of breaking down of a mountain. Erosion speeds up tectonic processes beneath the mountains by lowering the weight of the mountain range. Wind, rain, and ice increase at higher elevations and directly effect the weathering and erosion process, causing mountain tops to weather more quickly.Hence the mountain will change into a valley over many years followed by eroding into rolling plains.learn more about Weathering and erosion here:
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Which of the following reasons is proof that viruses are not living cells?
A) Viruses only have DNA.
B)Viruses are covered by a protein coat.
C)Viruses are not capable of replicating outside a host cell.
D)Viruses cause diseases in both plants and animals.
Answer:
c
Explanation:
viruses aren't like bacteria where they could survive on their own.
1. A small snake is found eating a cricket in a
grassland which level of succession would this be.
Explain your answer.
The level of succession which involves a small snake is found eating a cricket in a grassland is a Secondary succession.
What is Secondary succession?This is the type of succession which involves an area previously occupied by living things is disturbed or disrupted.
The grassland area has been occupied with living things already which makes it a secondary succession.
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Scientists have observed that in the Antarctic ecosystem Adélie and Chinstrap penguin populations have decreased in the past 40 years by about half. However, Gentoo penguin populations have remained steady and are possibly increasing. Increasing ocean temperatures in the Antarctic is resulting in less sea ice and less krill because krill depend on sea ice.
Which statement, if true, BEST explains why Gentoo penguins have a survival advantage in the changing Antarctic environment?
A.
Adult Gentoo penguins average about 0.5 kilograms more in weight than adult Adélie and Chinstrap penguins.
B.
Leopard seals prey heavily upon juvenile penguins.
C.
Gentoo penguins eat more types of prey than either Adélie or Chinstrap penguins.
D.
Penguins spend a large amount of their energy on keeping warm during harsh winters with very low temperatures.
Answer:
C.
Gentoo penguins eat more types of prey than either Adélie or Chinstrap penguins.
Explanation: It makes the most sense over the other ones.
Which is not a major insect body segment?
Answer:
The answer is; LEG
Explanation:
hope this helps.
Please help + I will give brainiest - Why do seismographs work best underground? Would a seismograph be accurate if they were located on top of Earth's surface?
If your small intestine where unwound approximately how long would it be.
It would be about twenty - two- ish feet
Match the following terms and definitions.
1. oxidation
a chemical reaction in which oxygen is combined with another substance
2. phosphorylation
when a phosphate is added to a molecule
3. dephosphorylation
when a phosphate is removed from a molecule
The oxidation of a substance is the a chemical reaction in which oxygen is combined with another substance. Similarly the phosphorylation is the addition of phosphate group and dephosphorylating is the removal of phosphate group.
What is oxidation reaction ?The oxidation reaction is a type of reaction in which a substance reacts with oxygen or it loss one or more electron to transfer to its higher oxidation states.
The phosphorylation is the addition of a phosphate group (PO₄) into a molecule. Phosphorylation is a very significant combination reaction step takes place in nucleic acids in all living things.
Dephosphorylation is just opposite to the phosphorylation reaction. Here, the phosphate group is removed from the molecule. In some metabolic reactions ATP undergo dephosphorylation to form ADP molecule. Hence, all the terms and definitions are correctly matched here.
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Assume all of the presynaptic synapses identified produce epsps. If two of these synapses fired simultaneously, which synaptic combination brings the initial segment closest to threshold based on spatial summation? click on the appropriate synapses.
Based on spatial summation, the synapses closest to each other will brings the initial segment closest to threshold.
What are Excitatory Post-Synaptic Potentials, EPSPs?Excitatory Post-Synaptic Potentials, EPSP, are postsynaptic potential changes that are induced by neurotransmitters which depolarizes the cell, and hence increases the likelihood of initiating a postsynaptic action potential.
Based on spatial arrangement, the summation of two simultaneously fired synapses that is greater than or close to threshold potential will produce an action potential.
Therefore, the synapses closest to each other will brings the initial segment closest to threshold.
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Dichotomous key for plants
Answer:
a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers etc
In the blood most of the oxygen that will be used in cellular respiration is carried from the lungs to the body tissues _____.
Answer:
Combined with hemoglobin
do transported soil have different types of grain particles?
Answer:
Probably Yes
Explanation:
It's being moved so the other particles are most likely being lost so i would say, yes
Dna strands are antiparallel. Which of the following statements defines antiparallel?.
Answer:
A 5 to 3 DNA stand is paired with the. 3 to 5 DNA stand.
Explanation:
Several hypotheses have been proposed concerning evolutionary processes. Which of these must be true?
If you could have any career in ecology, what would it be and why? Provide 4-5 complete sentences explaining your answer
ecology careers-
educator
habitat planner
zookeeper
land planner
technical assistant
natural resource manager
Answer:
I would say habitat planner and land planner
Explanation:
I picked habitat planner and land planner to do because I am an artist and a designer and I know how to put things together properly and for people to be like "Wow this is a beautiful piece right here" I would make it beautiful for the person's eyes when doing this you need to think about how a person might look at it I would want them to gasp and stare astonished and amazing and I could do that I've been practicing design for awhile now so If I were to pick these two things it is what I would do and also I really like nature and designing things with nature that others haven't thought about because it shows my creativity and ability to look beyond the point of just seeing.
If I could choose any career in ecology, I would pursue a career as a habitat planner.
Who is a habitat planner?This profession would allow me to contribute to the conservation and restoration of natural habitats, ensuring the well-being of various species and ecosystems. As a habitat planner, I would have the opportunity to assess existing habitats, develop conservation strategies, and collaborate with stakeholders to implement effective management plans.
I am passionate about the preservation of biodiversity and creating sustainable environments, and this career would allow me to make a tangible impact on the natural world. Additionally, working as a habitat planner would provide a dynamic and interdisciplinary work environment, where I could apply my knowledge of ecology, land management, and environmental policy to address complex conservation challenges.
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Describe the steps by which oxygen moves from the environment to cells in the body and carbon dioxide moves from cells to the environment.
Oxygen is inhaled into the lungs for gaseous exchange, to occur between the blood and the alveoli, where oxygen diffuses into the blood; then, binding to haemoglobin of the red blood cells, which is carried away to cells in the body for respiration and CO2 diffuses out of the blood, to be exhaled.
Hope this helps!
The exchange of genetic material between nonsister chromatids is called crossing-over and occurs during which phase of meiosis?.
Answer:
prophase I
Explanation:
during prophase I, and it is the exchange of genetic material between non-sister chromatids of homologous chromosomes
hope this helps
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Work is equal to the force of a push or a pull multiplied by the ___ the object moved
Work is equal to the force of a push or a pull multiplied by the distance the object moved
Answer:
Distance moved by the object
Explanation:
Intraperitoneal organs include the ______, most of the ______, and parts of the large intestine. multiple select question. stomach liver small intestine pancreas
Intraperitoneal organs include the stomach, most of the small intestine and parts of the large intestine.
What are intraperitoneal organs?Intraperitoneal organs can be defined as organs which are enveloped by the peritoneal.
However, these organs include:
StomachSpleenLiverFirst and fourth parts of the duodenum, jejunum, ileum and othersIn conclusion, intraperitoneal organs include the stomach, most of the small intestine and parts of the large intestine.
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What are the three distinct characteristics of fish?
Answer:
All fish are cold-blooded, which is also called ectothermic.
Water Habitat. Another shared characteristic amongst all fish is that they live in water.
Gills to Breathe.
Swim Bladders. .
Explanation:
please can someone help asap?! so stressed with bio right now):
The answer is D) fruits and vegetables that do not spoil easily
You can eliminate B and C, since those two are clearly not positive outcomes (I doubt anybody would want more viruses and fewer animals on Earth!)
A is a little less obvious; however, genetically manipulating crops to have a slower growth rate would be a negative effect on the harvest (and it's probably something most farmers wouldn't want to do anyway.)
So, the answer is D. This makes sense, since having fruits and veggies that don't spoil easily would be a benefit so they can have longer shelf lives.
Hope this helps :)
EASYYYYYYYY
AS THE CELL GETS SMALLER, WHAT HAPPENS TO THE SURFACE AREA TO VOLUME RATIO
The population in a 50 square mile area is 200 people. What is the population density?
This is a simple calculation.
Typically you convert square miles into square kilometers. But you can apply this formula to both imperial and metric systems.
Formula:
[tex]Population Density = Population/Land Area[/tex]
Here is what your equation looks like
[tex]Population density = 200/50^2[/tex]
Calculate that and you get 0.08 people per square mile.
