what are spermatophyta​

Answer:

the property of living organisms in which they keep their internal systems in balance is called homeostatis. In desert regions, plants have reflective surfaces making them cool, they have several adaptation skills like cactus, where its leaves are spines to reduce transpiration. This happens due to the property homeostatis.

Answer:

Homeostasis is the property of living organisms in which internal systems are kept in balance.

Explanation:

Plants stay cool in the desert heat through their reflective surfaces, reduced leaves, or leaves that are parallel to the sun. Desert plants may also have adaptations that help them store water or very deep roots.

Answer:

Crossing over is the swapping of genetic material that occurs in the germ line. During the formation of egg and sperm cells, also known as meiosis, paired chromosomes from each parent align so that similar DNA sequences from the paired chromosomes cross over one another.

Explanation:

Answer:

since I am a year late I want pts

Explanation:

Anyways it is the first of may of 2021 soooo like this question was in October.

The nucleus's DNA contains information that is used to make proteins, so the correct option is a. proteins.

The genetic instructions that control the order of amino acids in proteins are found in DNA. Protein synthesis entails the transcription of DNA into messenger RNA (mRNA) and the subsequent translation of mRNA into a particular sequence of amino acids that constitute proteins.

Even though lipids are significant molecules involved in numerous physiological processes, DNA-based instructions do not directly govern how lipids are produced. Different cellular functions and enzymes control the synthesis of lipids.

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Answer:

pretty sure below equator (might be wrong)

Explanation:

Answer: C: It is 15° below the celestial equator

Explanation:

I don't know if anyone actually reads these sections but if you want to actually know how this works read this.

The declination is vertical movement, meaning you can eliminate the answers containing right and left movement. Positive declination is north or above the celestial equator, and negative declination is south or below the celestial equator.

The question has a negative declination, meaning it is 15° below the celestial equator. I hope you read all of this and didn't just get my answer.

The digestive system is mostly composed of the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus (in order of their function). They are assisted in their efforts by the liver, gall bladder, and pancreas.

The mouth, pharynx, esophagus, stomach, small and large intestines, rectum, and anus make up the digestive system's alimentary tract. Some of the auxiliary organs associated with the gastrointestinal tract are the pancreas, liver, gallbladder, and salivary glands.

Food must be digested in order to be broken down into nutrients that the body may use for energy, development, and cell repair. Nutrients from food and drink must be broken down into smaller molecules before being absorbed by the circulation and sent to the cells throughout the body.

Long before food even enters the stomach, digestion starts in the mouth. Our salivary glands under the lower jaw, under the tongue, and in front of the ear start secreting saliva when we sight, smell, taste, or even just think about a delicious meal (spit). Spit moistens the food as the teeth rip and cut it to make swallowing simpler.

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The diseased animal's body must frequently contain the bacterium in order for it to exist. It is necessary to isolate the organism and cultivate it in pure culture on an artificial medium.

The four requirements are as follows: (1) the microorganism must be discovered in sick but not healthy people, (2) the microorganism must be cultured from the sick person,(3) the inoculation of a healthy person with  the cultured microorganism must reproduce the disease, and (4) the suspected pathogen should be present in all cases of the disease in question, and its distribution in the host should coincide with the distribution of obs.  

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One of the major problems with the theory of mind-body dualism is identifying and demonstrating how the immaterial mind relates to and acts on the physical body/brain, the given statement is true because the theory of mind-body dualism is based on the idea that the mind and the body are separate entities.

The mind is considered to be an immaterial entity, while the body is a physical entity, the theory suggests that these two entities interact with each other, but the nature of this interaction is not well understood. One of the major problems with the theory of mind-body dualism is identifying and demonstrating how the immaterial mind relates to and acts on the physical body/brain. Some philosophers argue that the mind is able to influence the body through the process of causation. Others suggest that the mind is able to influence the body through the process of interaction or correlation.

It can be concluded that the theory of mind-body dualism is based on the idea that the mind and body are separate entities that interact with each other, but the nature of this interaction is not well understood. One of the major problems with this theory is identifying and demonstrating how the immaterial mind relates to and acts on the physical body/brain. Some philosophers suggest that the mind is able to influence the body through causation while others suggest that it is able to influence through interaction or correlation. So therefore the given statement is true because the theory of mind-body dualism is based on the idea that the mind and the body are separate entities.

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Answer:

In the follicular phase, the follicles grow inside the ovary. The ovulatory phase is the time of greatest fertility for women. In it, estrogen levels peak just before the egg is released. In the luteal phase, after ovulation the follicular structure that remains in the ovary reorganizes and becomes a gland known as the corpus luteum. The self-determined life of the corpus luteum causes it to degenerate after 14 days and end a menstrual cycle. At the end of the luteal phase, progesterone and estrogen levels drop and menstruation occurs.

Explanation:

The follicular phase is where follicles develop (fluid-filled cavities in the ovary that contain an undeveloped egg) that will eventually house the egg. For the development of follicles, the body sends a signal to the brain to start the production of follicle stimulating hormone (FSH), the follicles begin to develop and produce estrogen. In the ovulatory phase, the level of estrogen in the body continues to rise, causing a rapid rise in LH. This increase causes the secretion of proteolytic enzymes that will degrade the follicular tissue allowing the maturation process of the ovum and its release to finish, a fact known as "ovulation". Ovulation usually occurs between 24 and 36 hours after the LH surge, so luteinizing hormone is a good factor for measuring the period of maximum fertility and knowing the fertile days of the woman. In the luteal phase, the corpus luteum develops that will last until a possible pregnancy or menstruation occurs, starting the next cycle. The egg, after being released, travels through the fallopian tube to the womb. It can survive up to 24 hours and sperm up to 5 days inside the uterus, therefore the days before ovulation and the day of ovulation itself, which can be calculated with the ovulation calendar, are those of maximum fertility and higher chances of pregnancy. After ovulation, the follicle begins to contract but continues to produce progesterone and begins to produce estrogen in order to continue preparing the uterus to receive the embryo.

In the provided diagram, where the organelle labeled "I" is the chloroplast, it signifies the presence of a crucial organelle within plant cells.

Chloroplasts are unique and essential structures responsible for the process of photosynthesis. This intricate process allows plants to convert light energy from the sun into chemical energy in the form of glucose, while also releasing oxygen as a byproduct.

Chloroplasts possess a distinctive double membrane structure. The inner membrane surrounds the stroma, a semi-fluid matrix containing enzymes, DNA, and ribosomes. Within the stroma, a system of interconnected membranous sacs called thylakoids is present. These thylakoids are organized into stacks called grana, and they contain the pigment chlorophyll.

Chlorophyll is the key player in photosynthesis as it absorbs light energy. When light is absorbed, chlorophyll initiates a series of chemical reactions in the thylakoid membranes, resulting in the conversion of light energy into chemical energy.

This energy is used to generate ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate), which are crucial for the synthesis of glucose.

Overall, chloroplasts are key organelles that enable plants to capture and convert sunlight into energy-rich molecules, ultimately sustaining life on Earth.

Their structural organization, containing chlorophyll and facilitating photosynthesis, illustrates the remarkable adaptation of plants to their environment and their vital role in global ecosystems.

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The complete question is :

Consider this plant cell.

Which organelle is labeled I?

1. "Can you share any significant events or milestones that have been passed down through the generations?"

This question helps identify patterns of shared experiences and traditions within the family, highlighting the intergenerational connections and relationships.

2. "How do family members typically communicate and stay connected with each other?"

Understanding the communication dynamics can reveal patterns of closeness, distance, or frequency of interaction between different generations.

3. "Are there any recurring roles or responsibilities that have been consistently assigned within the family?"

Identifying roles passed down through generations can shed light on patterns of family dynamics and expectations, such as the caregiver role or the decision-maker role.

4. "Have there been any notable conflicts or tensions between family members across different generations?"

Exploring conflicts can unveil patterns of unresolved issues or recurring disagreements, offering insights into intergenerational relationship challenges and dynamics.

5. "Are there any common values or beliefs that have been consistently upheld within the family over time?"

This question helps identify shared values, cultural or religious traditions, and belief systems that contribute to the family's intergenerational cohesion and relationships.

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Answer:

1000

Explanation:

Answer:

The carrying cpacity is 1000 (supported by the stopping point on the graph)

Solution:

Numerical models of ocean dynamics indicate that placing dioxide in the deep ocean would isolate most of the carbon dioxide from the atmosphere for several centuries, but over longer periods the ocean and atmosphere would equilibrate. Relative to atmospheric release, direct injection of carbon dioxide into the ocean could reduce the peak amounts and rates of increase of atmospheric carbon dioxide over the next few centuries, but direct injection of carbon dioxide into the ocean would not reduce atmospheric carbon dioxide content by the millennial time scale. On the other hand, Putting carbon dioxide directly into the deep ocean means that the chemical environment of the deep ocean would be altered immediately. Therefore, there may be adverse effects on the marine ecosystem, for example, carbon dioxide dissolved in the sea acidifies the water. For ocean carbon dioxide storage, issues remain regarding environmental consequences, and gaps in our understanding of ocean carbon dioxide storage.

So, we can conclude that the correct answer is:

Therefore, we have that pumping carbon dioxide directly into the deepest zones of the ocean is not permanent and the impacts on marine ecosystems that may later indirectly affect the economies of the planet should be considered.

Answer:

I know that some herbivores lived in the mesozoic

Answer:

The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion.

Digestion involves the breakdown of food into smaller and smaller components, until they can be absorbed and assimilated into the body. 

Answer:

The first step in DNA replication is to 'unzip' the double helix structure of the DNA? molecule. This is carried out by an enzyme? called helicase which breaks the hydrogen bonds? holding the complementary? bases? of DNA together (A with T, C with G)

Explanation:

Answer:

B) Plants is the answer correct me if I'm wrong

If a diploid individual is heterozygous at exactly 6 loci, they can produce 64 unique gamete genotypes.

When an individual is heterozygous at a locus, it means they carry two different alleles for that particular gene. For each of the 6 loci, the individual can pass on either of the two alleles to their gametes. Since each locus is independent of the others, the number of possible combinations for all 6 loci can be calculated by multiplying the number of possibilities at each locus together.For each locus, there are 2 possible alleles that can be passed on. Therefore, for 6 loci, the total number of possible combinations is 2 × 2 × 2 × 2 × 2 × 2 = 64. This means that the diploid individual can produce 64 unique gamete genotypes.It's worth noting that this assumes independent assortment of alleles and no linkage between the loci. In reality, factors like genetic linkage and recombination can affect the number of unique gamete genotypes produced.

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DNA polymerase is one way to directly correct DNA replication errors. It checks the base that has been freshly supplied ahead of the succeding base so a corretion can be done. If it cannot proofread, an outcome of mutation is greatly possible which is considered as an i

Integrating center is the term that best describes the part of a control system that receives information about a homeostatically regulated variable and initiates an appropriate response.

Integrating center acts a s reflex for homeostasis. It monitors the signals from the stimulus, and activates pathways to maintain the homeostasis of the body. It sends signals to the tissues, cells, of the target site to perform the task.

Homeostasis is the phenomenon of constant conditions inside the body of an organism. The organism's body remains under a stable temperature unaffected by the outer conditions. This property is exhibited by humans, dogs, birds, etc.

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The species-area relationship in island biogeography indicates that larger habitat size reduces the probability of extinction. Habitat heterogeneity provides suitable niches to colonize, thus allowing for a higher number of species in the area. Therefore, the correct option is c.

Habitat heterogeneity provides suitable niches to colonize. Let's discuss the given options one by one.a. Large islands that are far get more species that can fly or swim: This option is incorrect because the number of species on an island is not determined by how far it is from the mainland but instead by the size of the island. Large islands increase the probability of extinction: This option is incorrect because larger islands provide more suitable habitats for a higher number of species and not for increasing the probability of extinction Smaller habitat size reduces the probability of extinction: This option is incorrect because smaller habitat size provides a lower number of suitable niches and habitats to colonize, which can increase the probability of extinction.

Thus, it can be concluded that habitat heterogeneity provides suitable niches to colonize in island biogeography.

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The scientist who wants to study the how the body utilizes fluid and food during marathon run is known as exercise physiologist. Thus, option 1 is correct.

An exercise physiologist is a proffesional health care who provides advise as well as information regarding exercise that help the person to manage injuries and chronic diseases.

The skills that must an exercise physiologist having are assessment skills,good communication, right thinking in critical situation, as well as interpersonal skill.

Therefore, a scientist who studies the utilization of food and water during marathon run and advise to manage chronic diseases as well as injuries are known as exercise physiologist. Thus, option 1 is correct.

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Answer:

HLA-A is a group of human leukocyte antigens (HLA) that are encoded by the HLA-A locus, which is located at human chromosome 6p21. 3. HLA is a major histocompatibility complex (MHC) antigen-specific to humans.

Answer:

The universe is 14 billion years old.

Quasars reside in the cores of galaxies.

We thought the expansion of the universe was slowing down.

We've seen the same moment of time on more than one occasion.

The three new things related to the development of the universe should be that it have the 14 billion years old, cores of galaxies, and the expansion should be fall down.

The universe refer to the space and the time that involved the planets, stars, galaxies, etc with respect to the matter and energy.

The big bang theory represent the cosmological description at the time of development of the universe.

In this way, the three new things should be learned.

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Answer:

Explanation:

A) In an ideal environment, we would expect 40% of the 240 sampled plants to be Kelp.

Expected number of Kelp plants: 0.4 * 240 = 96

B) The null hypothesis for the goodness-of-fit test would be that the distribution of plants in the sampled areas is proportional to the ideal environment.

Null Hypothesis: The distribution of plants in the sampled areas follows the proportions of 40% Kelp, 25% Phytoplankton, 25% Coral, and 10% Other.

C) The alternative hypothesis for the goodness-of-fit test would be that the distribution of plants in the sampled areas is not proportional to the ideal environment.

Alternative Hypothesis: The distribution of plants in the sampled areas deviates from the proportions of 40% Kelp, 25% Phytoplankton, 25% Coral, and 10% Other.

D) To determine the probability of getting the observed values as extreme from the ideal, we need to calculate the p-value. The p-value represents the probability of obtaining data as or more extreme than the observed data under the assumption that the null hypothesis is true.

We can use a chi-square goodness-of-fit test to calculate the p-value. The chi-square test statistic can be calculated by comparing the observed and expected frequencies of the different plant types.

E) To evaluate whether there is enough evidence to conclude that the environment for prawns is not ideal, we compare the calculated p-value with the predetermined significance level (α) of 0.05 or 5%.

If the p-value is less than 0.05, we reject the null hypothesis and conclude that there is evidence to suggest that the distribution of plants in the sampled areas deviates from the proportions of the ideal environment. If the p-value is greater than or equal to 0.05, we fail to reject the null hypothesis and do not have sufficient evidence to conclude that the environment for prawns is not ideal.

Please provide the observed frequencies of the different plant types in the sampled areas so that we can calculate the chi-square test statistic and the corresponding p-value to make a conclusive determination.

Plant hormones serve as chemical messengers between cells and tissues. Auxin is a plant hormone that causes the cells on the shady side of a plant shoot to elongate. The response enabled by auxin is known a H. phototropism

Phototropism is a crucial process that enables plants to optimize their exposure to sunlight, which in turn, promotes photosynthesis and overall growth. This is different from geotropism (option F), which is the response of a plant to gravity, transpiration (option G), which is the process of water movement through a plant and its evaporation, and photosynthesis (option J), which is the process by which plants convert light energy into chemical energy to fuel their growth.

Auxin is a plant hormone that plays a vital role in the growth and development of plants. Specifically, auxin causes the cells on the shady side of a plant shoot to elongate, allowing the plant to grow towards the light source. In summary, auxin is a key plant hormone that facilitates phototropism, allowing plants to grow towards light and maximize their exposure for optimal growth.

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Answer:

Why are there different variations of albinism and why it results in the same basic phenotype?

The phenotypic heterogeneity of albinism is due to the different gene mutations affecting various points along the melanin pathway, resulting in varying degrees of decreased melanin production. Additionally, associated developmental changes occur in the optic system as a result from this hypopigmentation.

Explanation: