Answers
Related Questions
lab: Using a compound microscope
Answers
What is the question exactly??
What green algal group are you not likely to find in fresh water? Ulvophyceae Charophyceae Chlorophyceae Embryophyccae Which of these is not a shared, derived characteristic (synapomorphy) of land plants (Embryophytes), chlorophyll b antheridia and archegonia with sterie jacket layers multicololar embryos ability to make sporopolenha-walled spores.
Answers
The group of green algae that are not likely to be found in fresh water is Charophyceae.
Charophyceae, a class of green algae, are mostly found in freshwater habitats but are also found in soil or other damp places. A distinct feature of Charophyceae is their sporophyte with foot, seta, and capsule. There are multicellular sex organs, antheridia and archegonia with a sterile jacket layer, which is not present in other green algae.
Land plants (Embryophytes) have many characteristics that they do not share with green algae. Chlorophyll b is a shared, derived characteristic of land plants (Embryophytes), while multilayered embryos, sporopollenin-walled spores, and gametangia with a sterile jacket layer are also unique to them.
Learn more about Charophyceae here:
https://brainly.com/question/28298550
#SPJ11
According to the phylogeny presented in this chapter, which protists are in the same eukaryotic supergroup as plants?.
Answers
According to the phylogeny presented in this chapter, which protists are in the same eukaryotic supergroup as plants. The protists that are in the same eukaryotic supergroup as plants are the green algae.
These protists are unicellular and multicellular eukaryotes which possess chlorophylls a and b and store food as starch.In long answer, there are a few different eukaryotic supergroups that have been identified through molecular analyses, and these groups differ in their genetic makeup and evolutionary history. One of these supergroups is the Archaeplastida, which includes the green algae along with land plants and red algae.This supergroup is characterized by a number of unique features, including the presence of chloroplasts with chlorophylls a and b, the use of starch as a storage molecule, and the presence of mitochondria with flat cristae.
The green algae are a diverse group of photosynthetic organisms that can be found in a variety of habitats, from freshwater and marine environments to soil and symbiotic associations with other organisms. There are a number of different types of green algae, including unicellular forms like Chlamydomonas and multicellular forms like Ulva. Despite their differences in morphology and lifestyle, all green algae share the key characteristics of the Archaeplastida supergroup, which link them to land plants and red algae.
To know more about phylogeny visit:-
https://brainly.com/question/1426293
#SPJ11
When a cell is deprived of oxygen, its lysosomes tend to burst and release their contents into the cell. As a result of this, that cell will Group of answer choices undergo cell division. recycle damaged organelles. produce replacement lysosomes. undergo self-digestion and die.
Answers
Answer:
The correct answer is - undergo self-digestion and die.
Explanation:
Lysosomes are cell organelle that is membrane-bound and has digestive enzymes in them. These cell organelle help in digesting cells that are worn out, ruptured cells deprived of oxygen by bursting themselves.
Its bursting nature also helps in digesting and killing antigens and microbes. It is a very essential cell organelle that helps in digesting and killing damage cell parts or cells.
When a cell is deprived of oxygen, its lysosomes tend to burst and release their contents into the cell, the cell will undergo self-digestion and die.
Explanation:
Lysosomes are cell organelles that are membrane-bound and contains digestive enzymes. These cell organelle help in breaking down cellular waste. When the cell is deprived of oxygen they burst themselves and release their content. It is a very essential cell organelle that helps in digesting and killing damaged cell parts, microbes, antigens, or cells.So, from this we can conclude that when a cell is deprived of oxygen, its lysosomes tend to burst and release their contents into the cell, the cell will undergo self-digestion and die.
learn more about lysosomes here:
brainly.com/question/11901505?referrer=searchResults
brainly.com/question/11173748?referrer=searchResults
163lin jl, br coolman: atlantoaxial subluxation in two dogs with cervical block vertebrae. j am anim hosp assoc. 45:305 2009 19887390
Answers
Dogs who suffer from atlantoaxial (AA) subluxation may experience varying degrees of neurological impairments. A block vertebra is a congenital deformity in which two or more vertebrae fuse together.
Two canines with cervical block vertebrae from C(2) to C(5) and C(2) to C(4), respectively, are described. Our theory is that these canines were more susceptible to traumatic AA subluxation because the fused cervical vertebrae caused a "fulcrum effect" at the AA joint.
What signs would point to atlantoaxial subluxation?Although atlantoaxial subluxation is typically asymptomatic, it can occasionally result in intermittent cervical spinal cord compression, occipital headaches, and vague neck pain.
How is atlantoaxial subluxation corrected?In addition to symptomatic relief, cervical immobilization is used in treatment, typically starting with a hard cervical collar. Treatment urgency is typically determined by symptoms or the appearance of aberrant cord tissue on an MRI in susceptible people.Atlantoaxial subluxation is how frequent?They discovered that 2% of patients additionally exhibited vertical atlantoaxial subluxation in addition to the 21% of patients who had anterior displacement of the atlas on the axis (atlantoaxial subluxation).
learn more about vertebrae here
https://brainly.com/question/12857576
#SPJ4
What Happened to the Anchovy? - Part 2
Natural events and human activity can threaten the health of the anchovy population off
the coast of Peru. El Niño events are natural events that occur about every two to seven
years. During these events, lower air pressure over South America results in changes to
wind patterns. Normally winds blow from east to west, pushing surface water away from
the coast of Peru. During El Niño events, winds blow from west to east. This pushes
warm surface water toward Peru's coast. The warm surface water contains less oxygen
than cold water and blocks upwelling from bringing nutrients to the surface
Commercial fishing is a human activity that harvests millions of tons of anchovies each
year. In the 1970s, the fishing Industry recognized the need to protect both the
anchovies and the ocean ecosystem. As a result, the government set limits on the
amount of anchovies a fishing boat could catch each year,
The list shows the years in which El Niño events were the strongest. The graph shows
the amount of anchovies caught off the coast of Peru each year,
Strong El Niño Events Annual Catch of
1950 - 2000
Peruvian Anchovy
10
1957 - 1958
1965 - 1966
1972 - 1973
1982 - 1983
1987 - 1988
1991 - 1992
1997 - 1998
Annual Catch
(million metric tons)
1950 1960 1970 1980 1990 2000
Year
Based on the evidence provided, which factors most influenced the
number of anchovies caught in 1984?
A overfishing in previous years and warm waters with few nutrients
B. movement of anchovies to other waters and fishing of large fish
C. conservation of anchovies and habitat management
D. warm winds and low-pressure areas
Answers
Note about the question:
You will find the graph in the attached files.
Answer:
A) overfishing in previous years and warm waters with few nutrients
Explanation:
Under El Niño conditions, there is a tropical stream, which is usually weak, that acquires strength while the opposite streams debilitate. This event impedes warm water to go eastward, remaining in South America´s coasts, which produces unusual precipitations in Chile followed by floral bloom in Atacama desert and fewer precipitations events in Eastsouth Asia and North Australia. During and after the El Niño, occurs a fishery crisis because there is no upwelling on the coasts of South America, nutrients from the bottom do no ascend, and fish populations remain equal or decrease.
Around 1970, there was excessive overexploitation of fishes. This overfishing probably led to a significant decrease in the anchovy population size, reducing the number of individuals in the reproductive stage, especially the females. The graph reflects that during the following years, there were also peaks in anchovy catch. The population did not have enough time to recover from the highest peak in 1970.
From 1982-1983 El Niño event was severe. No upwelling meant no nutrients to survive, and that the remaining anchovy population, previously affected by fishery, hardly made it that year. There was probably a fishery crisis, and hence, no animals were caught in 1984.
What are 3 solutions that would work better than the stamp act
Answers
The solutions that would work better than the stamp act are:
The Declaratory ActsThe Sugar Act The tea Act What was the solution to the Stamp Act?Benjamin Franklin petitioned the British House of Commons, and the Stamp Act was repealed by a vote of Parliament. However, the Declaratory Acts were approved by Parliament the same day, stating that the British government possessed unrestricted and complete legislative authority over the colonies.
The Stamp Act imposed a tax on products inside the colonies, whereas the Sugar Act solely applied to imports. Internal taxes had hitherto solely been the responsibility of colonial assemblies.
Therefore, one can say that the Tea Act was enacted by the British Parliament in 1773 in an effort to salvage the struggling business. The act gave the firm permission to commission agents who would have the exclusive right to sell tea in the colonies and to send its tea directly to the colonies without first landing it in England.
Learn more about the stamp act from
https://brainly.com/question/17635338
#SPJ1
Describe how living things are involved in the constant cycling of carbon.
Answers
Answer:
plants uses carbon dioxide during photosynthesis. plants use carbon to make carbohydrates and cellulose. animals then eat plants and carbon is passed down. Animals then respire and release carbon dioxide into the atmosphere.
Answer:
Plants uses carbon dioxide during photosynthesis. Plants use carbon to make carbohydrates and cellulose. Animals then eat plants and carbon is passed down. Animals then respire and release carbon dioxide into the atmosphere.
The image shown above describes which type of reproduction?
A) sexual
B) asexual
C) budding
D) grafting
Answers
Answer:
b) asexual
Explanation:
kyyyttgbjoljfefbkokde
How to stimulate nipples to induce labor with hands?
Answers
It's essential to consult with your healthcare provider before attempting any natural labor induction methods, including nipple stimulation.
To stimulate nipples to induce labor with hands, follow these steps:
1. Wash your hands: Make sure to clean your hands thoroughly to prevent any infection.
2. Find a comfortable position: Sit or lie down in a relaxed position.
3. Use your thumb and index finger: Gently grasp the areola (the dark area around the nipple) between your thumb and index finger.
4. Apply pressure and roll: Apply gentle pressure and roll your fingers, mimicking the motion of a baby's mouth while breastfeeding. This stimulates the nipple and areola, which may help induce labor.
5. Switch sides: Stimulate one nipple for about 5 minutes, then switch to the other nipple for another 5 minutes. Continue alternating between nipples for around 20-30 minutes.
6. Observe contractions: If contractions start, stop nipple stimulation and wait to see if they continue on their own. If they do not, you can try nipple stimulation again later.
To know more about labor , refer
https://brainly.com/question/1259611
#SPJ11
hiiiiiiiii people!!!!!!!!!!!!!!
Answers
Answer:
hiiiiiiiiìiiiiiiiiiiiiiii
Answer:
um hi
Explanation:
True/False? sand found in commercial sand and gravel deposits is typically composed of silicate minerals.
Answers
True. The majority of the minerals found on Earth's surface are silicates, by far. The silica tetrahedron serves as the fundamental building unit for all silicate minerals.
Four oxygen (O) atoms and one silicon (Si) atom make up this four-sided molecule. A single silicon cation with the charge Si4+ is covalently connected to two oxygen atoms, which are anions with a minus-2 charge (O2-). An equilateral triangle is formed on each face of the silica tetrahedron. As you will see below, the silica tetrahedra's bonds to one another and to other elements are used to categorise various types of silicate minerals. Si and O make up 75% of the Earth's crust due to the abundance of silicate minerals and the silica tetrahedra that serve as their structural foundation.
Learn more about silica tetrahedron here:
https://brainly.com/question/4523822
#SPJ4
What type of selection affects traits that influence an individual's chances to find a mating partner or be chosen as a mating partner?
Answers
Answer:
Sexual selection
Explanation:
It is sexual selection because it is a type of natural selection in which an organism or organisms acquire traits which help the individual to be choose as a mating partner or to have preference for a mating partner or for competition among one sex organisms in which a traits succeed.
Sexual selection can be intrasexual or or intersexual. Intrasexual is is competition between one sex of the same organism and intersexual is between sexes of different organism.
Which diagram correctly represents a step in the normal process of human reproduction?
Key
2n = total genetic material of a human cell
n
= one half of the total genetic material of a human cell
Answers
Answer:c
Explanation:
The diagram that correctly represents a step in the normal process of human reproduction is n + n = 2n (Option C).
Meiosis is a reductional type of cell division that produces four daughter haploid cells.These meiotic haploid (n) cells are known as gametes or germinal cells.During fecundation, two different germinal cells fuse to produce a diploid zygote.In conclusion, the diagram that correctly represents a step in the normal process of human reproduction is n + n = 2n (Option C).
Learn more in:
https://brainly.com/question/8253366
During crossing over, when the invading strand uses the invaded DNA as a _____, this automatically results in an extra copy of the invaded sequence at the expense of the invading sequence, thus explaining the departure from the expected _____ ratio.
Answers
The correct answer is: During crossing over, when the invading strand uses the invaded DNA as a template, this automatically results in an extra copy of the invaded sequence at the expense of the invading sequence, thus explaining the departure from the expected 1:1 ratio of crossing over.
Explanation:
DNA is replicated through the process of crossing over, which involves the exchange of genetic material between two homologous chromosomes. During the process, one of the homologous chromosomes acts as the invading sequence, while the other acts as the invaded DNA. When the invading strand uses the invaded DNA as a template, it results in an extra copy of the invaded sequence at the expense of the invading sequence, thus explaining the departure from the expected 1:1 ratio of crossing over.
What is crossing over?
Crossing over is a process during meiosis where the chromosome arms of maternal and paternal homologous chromosomes swap DNA sections (recombination) to produce new allelic combinations of traits. The crossing-over process starts with the breakage of two homologous chromosomes, the migration of the broken ends toward each other, and the formation of crosslinks by the formation of single crossovers.
These crosslinks are eventually converted to chiasmata that keep the chromosomal arms connected until metaphase I. During this process, one chromosome might lose genetic material while the other might acquire genetic material. This event results in unique combinations of genes that might not be present in either parent. The frequency of crossovers is affected by the distance between the gene and the centromere. Chromosomes that are nearer to the centromere are less likely to cross over than those that are further away. Explaining the departure from the expected Mendelian ratio.
The ratio of offspring created by a cross that exhibits the dominant and recessive traits that Mendel observed is referred to as the Mendelian ratio. Crossing over might result in new allelic combinations of genes that deviate from the Mendelian ratios. This is because the transmission of genes is no longer controlled by a single gene pair on a chromosome. Chromosome segregation is disturbed in one way or another by crossovers.
To know more about crossing-over process, visit:
https://brainly.com/question/11347292
#SPJ11
What is an example of population community and ecosystem?
Answers
For instance, the community of the forest or preserve would include the populations of other large cats, antelopes, zebras, and other organisms existing in the same region in addition to the lion population that resides there. Agroecosystems, aquatic ecosystems, coral reefs, deserts, forests, and others are examples of ecosystems.
What makes the ecosystem so crucial?Healthy ecosystems keep our soil in good condition, purify the air, regulate the climate, recycle nutrients, and provide us with food. They provide tools and raw ingredients for producing medicines and other goods. All civilization is based on them, and they support our economies.
What are the population and ecosystem of a community?An ecosystem is the interactions between living and nonliving elements in a specific area. An organism is a single living thing, a population is all of the same species of organisms in the same place at the same time, a community is all populations in the same place at the same time (all living things), and an ecosystem is all of the populations in the same place at the same time.
To know more about ecosystem visit;
https://brainly.com/question/842527
#SPJ4
One thing all mechanisms of evolution have in common is that ____________________.
They all lead to beneficial change in the population
They all lead to positive change in the population
They all lead to change in the population
They all lead to detrimental change in the population
Answers
Answer:
they lead to positive change in the population
if a portion of a transcription factors domain is the dame in a variety if irganisms it is called a motif. true or false
Answers
If a portion of a transcription factor's domain is the same in a variety of organisms, it is called a motif---- True
What is a motif?A motif is a recurring sequence of DNA or amino acids that occurs in various proteins and enzymes. Motifs are generally used in protein interactions and transcription factor binding, as well as other biological activities.
Some motifs are conserved across species, meaning they are identical or similar between organisms.Therefore, if a portion of a transcription factor's domain is the same in a variety of organisms, it is called a motif.
The DNA-binding domains of transcription factors often include motifs that bind to specific nucleotide sequences. These motifs are important for regulating gene expression, as well as other functions in the cell.
Learn more about Motif:
brainly.com/question/29482197
#SPJ11
4) A procedure
that is designed
and carried out
under
controlled
conditions to
prove or
disprove a
hypothesis.
OA)
experimert
OB.)
control
group
OC.)
observation
Answers
Experiment... Part of the Scientific method...
Hope it helps! Comment if you have any questions and have an amazing day!:p
(Must answer in your own words to receive points, thank you in advance!)
Use the model here to describe the transfer of matter and flow of energy from one trophic level to another within an ecosystem. All of the following must be addressed in your response to receive full credit:
a. Discuss the transfer of biomass when one organism eats another. Use your knowledge of digestion to discuss how food is broken down and used by the consumer.
b. Explain what happens to the energy that is not transferred from one organism to another.
c. Explain why there are typically fewer organisms at the top of an energy pyramid.
d. Use specific numbers and calculations to support your explanation.
Answers
Energy and matter are transferred through the trophic levels of the ecosystem. Energy is lost at each level, resulting in a pyramidal distribution of energy and fewer creatures at higher levels.
In an ecosystem, the transfer of matter and the flow of energy occurs through trophic levels. When one organism eats another, the biomass is transferred from one level to another. However, not all energy is transferred between levels and some energy is lost as heat or used for metabolic processes. This loss of energy means a decrease in biomass and the number of organisms at higher trophic levels.
This results in a pyramidal distribution of energy, with the greatest amount of energy going to primary producers and the least to tertiary consumers. In general, the transport of matter and the flow of energy across trophic levels determines the distribution and abundance of organisms in an ecosystem.
Learn more about the ecosystem:
https://brainly.com/question/30187156
#SPJ1
Which of the following hormones is/are produced and released by the adrenal medulla? **Select all that apply**
Calcitonin
• Cortisol
[ Corticotropin-releasing hormone
• Prolactin
Thyroid-stimulating hormone
• Prolactin-releasing hormone
Norepinephrine
Aldosterone
Epinephrine
O Insulin
C Parathyroid hormone
C Thymosin
• Oxytocin
Answers
The hormones produced and released by the adrenal medulla are norepinephrine and epinephrine, also known as Norepinephrine and epinephrine are released in response to stress and help prepare the body for the "fight or flight" response.
They increase heart rate, blood pressure, and respiratory rate, while also causing the release of glucose from the liver. Cortisol is produced and released by the adrenal cortex, not the medulla. Therefore, the correct answer is norepinephrine and epinephrine.
The adrenal medulla is part of the adrenal glands, which are located on top of the kidneys. It is responsible for producing and releasing two important hormones, Norepinephrine and Epinephrine (also known as noradrenaline and adrenaline). These hormones play a crucial role in the body's "fight or flight" response, increasing heart rate, blood pressure, and metabolism to prepare the body for immediate action.
To know more about hormones visit :
https://brainly.com/question/13020697
#SPJ11
Write a definition for sound.
Answers
Answer:
Sound: Audible vibrations affecting the ear to make recognizable patterns.
Explanation:
where is simple cuboidal epithelium found in the body?
Answers
Simple cuboidal epithelium: This type of epithelium is usually found in glandular (secreting) tissue and kidney tubules.
Where in the body can you locate cuboidal cells?Cuboidal cells are found in the epithelial layer of ducts such as the pancreas as well as glands such as the salivary gland. Furthermore, cubic cells line the renal tubules .
Where can you locate a basic Finished with bronze and what does it do?Simple cuboidal epithelium is found on the surface of the ovaries, the lining of tubules, the wall of renal tubules, sections of the eyes and gland, & salivary glands. On these surfaces, the cells carry out filtering and secretion.
To know more about epithelium visit:
https://brainly.com/question/15058975
#SPJ1
in suspension other substance is suspended at the botton of the container
A. TRUE
B. FALSE
Answers
In suspension the particles are big but spread throughout and they settle down at bottom of container when kept still.
The tiny mouth-like openings in leaves
where gases move in and out is called?
A Stroma
B. Stomata
C. Sweat pore
D. Mesophyll
Answers
Answer:
B. Stomata
Explanation:
any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width which allows movement of gases in and out of the intercellular spaces.
Human beings belong to .........
A. Kingdom Protista
B. Kingdom Fungi
C. Kingdom Plantae
D. Kingdom Animalia
Answers
Answer:
D. Kingdom Animalia
Explanation:
Human beings belong to the kingdom Animalia. So, option (D) is correct.
Answer:
D. Kingdom Animalia
Explanation:
Humans are a type of animal. Specifically, they are multicellular eukaryotes. This means that they are complex animals that have more than one cell and that those cells have membrane-bound organelle. An easy way to remember this is that "Animalia" is extremely similar to the word "animal" and humans are animals.
Which of the following is essential (needed) for natural selection to occur?
equal survival rates for all offspring
dramatic or major environmental changes
genetic variation in species
there is no competition between species
Answers
Answer:
Genetic variation in species
Explanation:
Simple cuboidal epithelium is built for? prevention of water loss through the skin. distensibility. absorption or secretion. protection from mechanical stresses.
Answers
Simple cuboidal epithelium is a specialized tissue built for absorption or secretion (Option 3 is correct).
What is Simple cuboidal epithelium?Simple cuboidal epithelium is a layer of specialized cells that cover certain structures and organs in order to facilitate the absorption of nutrients in the body.
In conclusion, Simple cuboidal epithelium is a specialized tissue built for absorption or secretion (Option 3 is correct).
Learn more about Simple cuboidal epithelium here:
https://brainly.com/question/26728353
#SPJ1
In an organ transplant, a doctor transfers a donated organ from a recently deceased person to a live patient. One of the consequences is that the patient's immune system - the system that protects against diseases and pathogens in the body will reject the new organs. Explain why this consequence isn't a concern with organs grown from human cells
Answers
Answer:
The scientist would use the patient’s own stem cells to grow the organ. Because the cells are from the patient’s own body, the immune system won’t perceive the new organ to be a foreign body.
Explanation:
Answer:
The scientist would use the patient’s own stem cells to grow the organ. Because the cells are from the patient’s own body, the immune system won’t perceive the new organ to be a foreign body.
Explanation:
The scientist would use the patient’s own stem cells to grow the organ. if it uses cells from someone elses body the immune system wont work the way it should because its from a foreign body but if it uses its own cells then it'll work and won't see the cells from a foreign body
A chemical change occurs when a substance changes form but keeps its original properties. t or f
Answers
Answer:
False
Explanation:
When a chemical change occurs, the chemical composition is altered forever. For example, when you bake a cake, you cannot undo the changes to remove the eggs, oil, flour, etc. On the other hand, a physical change can be something such as a haircut, or trimming your nails. These things only change the appearance, not the chemical composition.