Answer:
Explanation:
Texture
Which of the following describe Aristotle's model of the solar system? Select the three correct answers.
Each planet spins on an epicycle.
The Sun is at the center.
The Earth was at a point slightly offset from the center.
The stars are attached to the outermost sphere.
Earth is at the center.
Each planet is attached to a crystalline sphere.
Answer:
The Earth is at the center
Explanation:
Aristotle was the first to believe the earth was round but he still thought everything revolved around the earth.
Aristotle's geocentric model of the solar system was based on the belief that the planet moves around the earth at the same speed.
One peculiar thing about this model was that the earth was said to be at the centre, which is why it is described as the geocentric model.
Some characteristics of this model include:
Each planet is attached to a crystalline sphere.Each planet spins on an epicycle.Earth is at the center.Read more here:
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Which statement best describes the relationship between ocean co2 and ph
Acidity rises and pH falls as carbon dioxide levels rise. The correct option is C.
What is ocean pH?A change in the characteristics of ocean water known as ocean acidification may be detrimental to plants and animals.
Scientists have noticed that the ocean's acidity is rising as a result of the water's absorption of atmospheric carbon dioxide.
Ocean acidification is the decrease in the ocean's pH level. The average pH of the ocean's surface fell from about 8.25 to 8.14 between 1751 and 2021.
Ocean water is more basic than drinking water because it is resistant to pH fluctuations due to the presence of various weak acids and their corresponding bases, or buffers.
The ocean is regarded as having a pH that is slightly alkaline. Acidity and pH both drop when carbon dioxide levels rise.
Thus, the correct option is C.
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Your question seems incomplete, the missing options are:
When CO2 increases, pH increases and acidity decreases.
When CO2 increases, pH decreases and acidity increases.
When CO2 increases, pH decreases and acidity decreases.
There is no relationship between CO2 and pH
1.What is an adaptation?
2. Why is it possible for different species of penguins to live in different climates?
3.What are some environment factors and their impact?
4.What is the carrying capacity of an ecosystem?
5.What kind of factors do you think can change a carrying capacity?
6. Compare artificial selection to natural selection?
7. How do environment factors and genetic factors affect natural selection?
Adaptation is the evolutionary process whereby an organism becomes better able to live in its habitat or habitats. 2. Adaptedness is the state of being adapted: the degree to which an organism is able to live and reproduce in a given set of habitats.
On the western peninsula, the changing climate means different weather is turning sheets of snow and ice into a land of rain and mud. Older penguins are equipped with waterproof layers of feathers allowing them to move swiftly in the water, and also allowing them to stay warm on land.
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Carrying capacity can be defined as a species' average population size in a particular habitat. The species population size is limited by environmental factors like adequate food, shelter, water, and mates. If these needs are not met, the population will decrease until the resource rebounds.
6.Natural selection and selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. For this reason selective breeding is sometimes called artificial selection.
explain how the adaptation to reproduce quickly is beneficial in bacteria's ability to
develop resistance to antibiotics
Answer:
Antibiotics save lives but any time antibiotics are used, they can cause side effects and lead to antibiotic resistance.
Since the 1940s, antibiotics have greatly reduced illness and death from infectious diseases. However, as we use the drugs, germs develop defense strategies against them. This makes the drugs less effective.
Which type of human population is characterized by the lag phase, being able to raise crops and domesticated animals, but having over farming methods that lead to soil eorion and food shortages?
Answer:
Rural population.
Explanation:
The rural population of humans is characterized by the lag phase because they are linked with farming of crops and domesticated animals. This population is responsible for the soil erosion and food shortages over the country because they are the producers of everything for the food industry. Due to farming methods, soil erosion occurs that leads to the depletion of nutritive part of the soil that causes less productivity of the crop and as a result food shortage occur.
Use the drop-down menus to label the organelles in the picture to the right.
The organelles of a plant cell are labeled. Part A is a large hollow structure. Part B is the outside layer of the cell. Part C is a green leaf-shaped structure. Part D is a bean-shaped structure with folding inside.
Label A
✔ Vacuole
Label B
✔ Cell wall
Label C
✔ Chloroplast
Label D
✔ Mitochondria
Answers from Edge ;)
Answer:
Label A
✔ Vacuole
Label B
✔ Cell wall
Label C
✔ Chloroplast
Label D
✔ Mitochondria
Explanation:
symptoms of trisomy 13
Answer:
Individuals with trisomy 13 often have heart defects, brain or spinal cord abnormalities, very small or poorly developed eyes (microphthalmia), extra fingers or toes, an opening in the lip (a cleft lip ) with or without an opening in the roof of the mouth (a cleft palate ), and weak muscle tone (hypotonia)
Explanation:
The type of energy in starch molecules
Answer:
A chain of six is shown below.) Both plant and animal cells store the energy of glucose in these starch molecules for later use. Starch molecules may be found in chloroplasts. If a plant cell has a lot of extra starch molecules, then the starch gets stored in a separate structure known as a leucoplast.
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HELP! this is a biology question so please answer if you know:)
Answer:
its cells cannot be created or destroyed
The population of white pines on his land in 2015 was 40. After last weekend the population is 155. Find the growth rate.
Answer:
287.5%
Explanation:
Initial = 40
Recent = 155
Growth rate = ( recent - initial )÷ initial ×100/1
=( 155-40/40) × 100/1
= 115/40×100/1
= 2.875×100/1
= 287.5%
The rate of growth is 287.5%
What would happen to a deep sea fish brought rapidly to the surface? Explain your answer in light of the fact that gas pressure in the swim bladders of some deep sea fishes increase up to about 300 atmospheres. Also define an atmosphere as it relates to the oceans.
Answer:
Its gas-filled swim bladder explode.
Explanation:
The gas-filled swim bladder of deep sea fish is explodes when brought to the surface too rapidly because in the deep sea there is high pressure on the gases that is present in its tissue so when the fish is brought to the surface too rapidly, the high pressure is removed and the gases that were compressed in the tissue of the fish in deep sea are releases to expand that causes explode of gas-filled swim bladder. There is very high pressure in the atmosphere when we go deep into the sea which put pressure on the lungs of humans and gas-filled swim bladder of fishes which decrease its volume.
When pure black hamsters were mated with pure white hamsters, all of the offspring were black. The trait for whiteness would best be described as?
Answer:
Recessive
Explanation:
All of the offsrping were black so that means black was the dominant gene and white was the recessive
At the time when the pure black hamsters were mated so here, the whiteness trait should be called the recessive.
What is recessive?It refers to the allele type that should not be manifested in an individual till both individual copies of the gene should include the particular genotype.
And, all the offspring should be considered as black so here black treated as the dominant gene and white should be considered as the recessive
Hence, the whiteness trait should be called recessive.
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What purpose does the endosperm serve in the seed?
Answer:
Supporting embryonic growth
Explanation:
The endosperm plays an important role in supporting embryonic growth by supplying nutrients, protecting the embryo, and controlling embryo growth by acting as a mechanical barrier during seed development and germination.
Answer:
Supporting embryonic growth
Which of the following organisms would usually compete with mice for seeds to eat in an ecosystem?
A. producers
B. primary consumers
C. tertiary consumers
D.secondary consumers
Please answer
old: Agree or Disagree--The daughter cells created during mitosis are identical to the parent cell.
old: Agree or Disagree--Mitosis is used to increase genetic variation in organisms.
Est the four steps of mitosis below in order:
How are haploid cells like our gametes created? What is the difference between meiosis and mitosis?
Notes Meiosis
Meiosis is the process of creating
haploid cells.
(n).
1. Each species has a fixed set of
2. Body cells (also known as
(2n).
3. Sex cells (also known as
have
sets of chromosomes, also called
have
set of chromosomes, also called
Answer:
1) agree: the daughter cells are all identical as theyre made asexually
2)disagree: the cells are clones of one another so it limits genetic variation
3) the diffference between mitosis and meiosis is that mitosis is asexual with one parent and each daughter cell is genetically identical. with meiosis, the cells created can be different from one another as theyre produced with 2 parent cells. so meiosis creates genetic variation while mitosis does not
Explanation:
WILL GIVE BRAINLIST!!!!! what are 3 ways that animals and plants can erode rocks in different locations?
Answer:
Hope this Helped :)
Explanation:
1.Biological weathering-Plants and animals release acid forming chemicals that cause weathering and also contribute to the breaking down of rocks and landforms.
2.Plants change Earth’s surface through weathering and erosion.They take minerals from the rock. This is a type of weathering, and it weakens the rock. Eventually the surface of the rock starts to break down and become soil.
3.As larger plants like trees start to grow in a rocky area, their roots
grow into the small cracks in the rock. Slowly, as the tree grows, its roots break the rock apart. This forms more soil and makes it easier for other plants to grow there as well.
4.When too many animals live in one place, they tend to eat and trample all the plants. Without the plants to protect the soil, it is more likely to be eroded by wind and water.
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Which of the following is an advantage of sexual reproduction over asexual reproduction?
a
It ensures that all offspring will survive if disease strikes.
b
It passes genetic information from one parent to one offspring.
c
It allows the offspring species to look just like the parent species.
d
It makes species more able to adapt to environmental changes.
Answer:
d
Explanation:
Is evolution a fact? What is evolution considered to be in the scientific community? (hint: starts with a "t")
Based on this information, which organelle is found in abundance in heart tissue cells?
If your temporal lobe was damaged, what might happen to you?
A You'd have trouble breathing
B You'd have trouble processing speech С You'd have trouble remembering things D You'd have trouble controlling your body temperature
Answer:
c you would have trouble remembering things.
Explanation:
Difficulty learning and retaining new information. Impaired factual and long-term memory, Persistent talking, Difficulty in recognizing faces.
Which is the most likely result if the Ubx gene was activated either before or after it normally is activated in the sequence of Hox gene expression?
A. The insect develops slightly shorter or longer abdominal legs.
B. The insect develops normal body parts at either a slower or more rapid rate.
C. The insect develops normal body parts but in an altered time sequence.
D. The insect develops legs in other parts of its body.
Answer:
D. The insect develops legs in other parts of its body.
Explanation:
HOX genes, also known as homeotic genes, are evolutionarily conserved genes (containing homeobox sequences) that encode master regulators of embryonic development in animals. Hox genes modulate the body plan of an embryo along the head-tail axis. In general, these genes are arranged in the same order as they are transcriptionally expressed along the anteroposterior body axis. Moreover, Ultrabithorax (Ubx) is a Hox gene that is responsible for the proper development of the third thoracic segment in insects. In Drosophila, it has been shown that different segments of the leg regulate their size in response to Ubx expression.
What term describes the shape of a DNA molecule?
double helix
A. ladder
B. double base paired
C. double-handed
D. double helix
Answer:
D
Explanation:
The double helix is a description of the molecular shape of a double-stranded DNA molecule. In 1953, Francis Crick and James Watson first described the molecular structure of DNA, which they called a "double helix," in the journal Nature.
How does nuclear energy use differ from geothermal and solar energy use?
a.
Geothermal and solar energy both have a mining step, while nuclear energy does not.
b.
Geothermal and solar energy both require water, while nuclear energy does not.
c.
Geothermal and solar energy are both renewable, while nuclear energy is not.
d.
Geothermal and solar energy both generate a significant amount of waste, while nuclear energy does not.
Please select the best answer from the choices provided
A
B
C
D
Answer:
C- Geothermal and solar energy are both renewable, while nuclear energy is not.
Explanation:
edge 2021
Answer:
C
Explanation:
The fact that choanoflagellates and collar cells of sponges resemble each other supports the inference that ________. Group of answer choices choanoflagellates are animals choanoflagellates are more closely related to sponges than they are to protists choanoflagellates and sponges evolved similar cell structures through convergent evolution choanoflagellates and sponges are sister groups
Answer:
choanoflagellates and sponges are sister groups
Explanation:
The choanoflagellates are small unicellular organisms belonging to the Protista kingdom. These microorganisms are collared flagellates morphologically similar to the choanocyte cells of animal sponges, which have a central flagellum surrounded by a collar of microvilli. In consequence, it has been suggested that choanoflagellates may represent the closest living relatives of primitive metazoans (i.e., they are sister groups to sponges). This hypothesis has recently been supported by both molecular phylogenetic and comparative genomic analyses.
Summarize the 3 trends in human population
Answer:
Population trend refers to changes over time and can include changes in ranging behavior (e.g., distance and route) and distribution, biogeography (e.g., size of population) and life-history (e.g., birth and death rates).
Can someone name and explain each lymph organ?
Answer:
The lymphatic system consists of all lymphatic vessels and lymphoid organs. For example, the lymph nodes, spleen, thymus as well as the lymphatic tissue found in the small intestine (Peyer’s patches) and throat (adenoid tonsils, palatine and tubal tonsils), to name a few, all represent lymphatic organs.Hence, rather than representing a single organ, the lymphatic system comprises a circulatory network of vessels and lymphoid tissue and cells in every part of the body. It works together closely with the blood-producing (haematopoietic) system in the bone marrow, thereby playing a vital role in immune responses to protect the body from various pathogens. Also, the lymphatic vessel network helps transporting nutrients and waste products in the body.
Answer:
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Explanation:
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How do u use a codon chart?
You should fill out an incident report _____.
A. if a serious accident occurs.
B. any time an accident occurs.
C. if the injured person does not require medical attention.
D. if the employee asks for a copy for his lawyer.
Answer:
A
Explanation:
An incident report should be completed at the time an incident occurs no matter how minor an injury is.
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2. Which explanation for the increase in genetic diversity of this red panda population is supported by this data?
(1 point)
Red pandas in this population have encountered new predators due to the increase in deforested land, and this new predation pressure has selected for different adaptations.
Red pandas in this population have increased the number of cubs birthed by each mother every year, and this increase in population has resulted in more genetic diversity.
Red pandas in this population have encountered new environmental challenges presented by the increase in deforested land, and this has selected for different adaptations over time.
Red pandas in this population have started eating a new diet due to the increase in deforested land, and the new dietary conditions have selected for different adaptations.
5. Which of the following scenarios would reduce the number of inheritable traits in a population, causing the individuals in that population to remain very similar to one another?(1 point)
A swamp that is being drained in order to build houses.
A forest that is being converted into farmland.
A lake that is drying up due to shifts in river flow.
A desert that has existed for millennia.
Answer:
2. C - Red pandas in this population have encountered new environmental challenges presented by the increase in deforested land, and this has selected for different adaptations over time.
5. D - A desert that has existed for millennia.
Explanation:
2. Predation (A) and fertility (B) are easy scratch-off answers -- given the situation of deforestation, these factors will not influence genetic diversity. Although eating patterns can lead to new adaptations, the best answer is C because it results directly from the issue at hand: deforestation.
5. To limit the amount of population diversity, you would have to maintain the same environment as much as possible. In other words, migration and isolation lead to the creation of new species per Darwin's theory of Natural Selection. For that reason, the only plausible answer here is D.
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Answer:
its b
Explanation:
I remember I did this
