sporophytes are attached to the gametophytes; green gametophytes that manufacture food; distinct leaves and roots; mosses.

Answers

Answer 1

Sporophytes are attached to the gametophytes; green gametophytes that manufacture food; distinct leaves and roots; mosses. This statement is true.
Alternation of generation:
In mosses, alternation of generations occurs, which is a life cycle that alternates between two distinct phases: the haploid gametophyte phase and the diploid sporophyte phase. Haploid refers to a cell or organism with a single set of chromosomes, while diploid refers to a cell or organism with two sets of chromosomes. In mosses, the green gametophytes are the dominant and photosynthetic phase, which means they manufacture food through the process of photosynthesis. These gametophytes have distinct leaves and roots that help in anchorage and absorption of water and nutrients.
What are sporophytes?
Sporophytes, on the other hand, are the diploid phase that grows on and remains attached to the gametophytes. They depend on the gametophytes for nutrients, making them somewhat like a "parasite" in the sense that they rely on another organism for sustenance. The sporophyte produces spores through meiosis, which then germinate to form new gametophytes, thus completing the alternation of generations in mosses.

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Related Questions

If a population is evolving, the allele frequency ________

Answers

If a population is evolving, the allele frequency will change.
Answer: Change

who can answer these for me ? please short answers, not long sentences!

who can answer these for me ? please short answers, not long sentences!

Answers

We can see here that the given answers are:

1. Another name for Clastic rocks is Detrital rocks.

2. Clastic sedimentary rocks are classified based on their grain size. The four main classifications are conglomerate (larger than 2mm), sandstone (0.0625 to 2mm), siltstone (0.004 to 0.0625mm), and shale (smaller than 0.004mm).

3. Clastic rocks form through the process of weathering, erosion, transportation, and deposition of rock fragments or sediments. Over time, these sediments become compacted and cemented together to form Clastic rocks.

What is a rock?

A rock is a naturally occurring solid substance composed of one or more minerals, mineraloids, or organic materials.

Rocks are formed through geological processes, such as crystallization from magma or lava, deposition of sediments, and metamorphism under high pressure and temperature conditions.

4. Crystalline and Bioclastic sedimentary rocks are classified based on their mineral composition. Crystalline rocks are made up of minerals that crystallize directly from water, while bioclastic rocks are made up of the remains of living organisms.

5. Crystalline rocks form through the process of precipitation from water or evaporation of water, which causes minerals to crystallize and form a solid mass.

6. Coal comes from the remains of dead plants that have been buried and subjected to heat and pressure over millions of years. This process is known as coalification.

7. Limestone is sometimes made up of the remains of marine organisms such as coral and shells, which have accumulated over time and been compacted and cemented together.

8. The rock composed of calcite is called limestone.

9. The sedimentary rock that bubbles if HCI (hydrochloric acid) is placed on it is limestone. This is because limestone is primarily composed of calcium carbonate, which reacts with HCI to produce carbon dioxide gas.

10. The rock that is the product of decayed plants is coal.

11. The rock that is composed of halite (rock salt) is called halite or rock salt.

12. The rock that contains angular fragments (mixed silt to boulders) is called breccia.

13. The rock that has a grain size of 0.0004 to 0.006cm is called mudstone.

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Which term refers to the practical applications of scientific knowledge?
A. Technology
B. Statistical analysis
C. Philosophy
D. The scientific method

Answers

The term that refers to the practical applications of scientific knowledge is A. Technology.

What is Technology?

Technology refers to the tools, methods, techniques, and systems that are developed through scientific knowledge and used to create, develop, and improve goods, services, and processes. It encompasses a wide range of fields, from information technology and electronics to biotechnology and manufacturing.

Technology has had a profound impact on society, transforming the way we communicate, learn, work, and live. It has enabled people to access information and resources more quickly and easily than ever before, as well as connect with others across great distances. Technology has also made many tasks more efficient and streamlined, allowing for greater productivity and innovation.

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7. A scientist wants to study how the body uses foods and fluids during a marathon run. This
scientist is most likely a(n)
1. exercise physiologist
2. microscopic anatomist
3. regional physiologist
4. systemic anatomist

Answers

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.

What is the work of exercise physiologist?

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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Which element in period 3 on the periodic table is a metalloid?

Answers

magnesium (mg) aluminum (al) silicon (si) sulfur (s)

Answer:

C.) Silicon is a metalloid

Explanation:

edg 2021

If a region of DNA is in the ‘heterochromatin’ configuration, the genes in that region are permanently inaccessible, and could never be opened back up enough to allow transcription to occur.
Is this statement TRUE or FALSE? Please explain why and include at least one accurate example that illustrates why the statement is true or false.

Answers

It is false that if a region of DNA is in the ‘heterochromatin’ configuration, the genes in that region are permanently inaccessible, and could never be opened back up enough to allow transcription to occur.

While it is true that heterochromatin configuration of DNA makes it inaccessible for transcription factors and RNA polymerase, it is not permanent. Heterochromatin can be converted back to the accessible ‘euchromatin’ configuration through a process called chromatin remodeling.

One example of this is X-chromosome inactivation in female mammals. One of the X chromosomes is randomly inactivated in each cell to prevent an overdose of X-linked gene products. The inactive X chromosome is packaged into heterochromatin, making its genes inaccessible. However, some genes on the inactive X chromosome are still transcribed, albeit at a reduced level. This is achieved through chromatin remodeling, which allows some regions of the heterochromatin to be opened up for transcription. Therefore, the genes in the heterochromatin configuration are not permanently inaccessible.

In summary, while heterochromatin makes genes less accessible, it is not permanent, and chromatin remodeling can convert it back to the euchromatin configuration, allowing transcription to occur.

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Seed tray can be used for sowing of cucumber seeds ______

True or false​

Answers

Answer:

true

Explanation:

You can germinate cucumber seeds by direct seeding into a garden bed or in the soil in a seed tray.

Which of the following is a right NOT guaranteed to workers by the Occupational Safety and Health Administration Act?


right to take safety training courses

right to a be paid certain wage

right to be informed about workplace hazards

right to review their medical records

Answers

Answer:

I want to say option D: right to review their medical records. Sorry if my answer is wrong

Right to review their medical records is not guaranteed to workers by the Occupational Safety and Health Administration Act. Hence option 4 is correct.

What is health administration?

Health administration is defined as the administration of all non-clinical tasks necessary to run a healthcare facility, including daily management, staffing, budgeting, and financial management as well as long-term strategic planning to assure the success of the healthcare provider or system. With an MBA, students can get the knowledge and abilities necessary to succeed as business managers.

All employees are granted three essential rights under the Occupational Health and Safety Act: the right to information about health and safety issues. the right to take part in choices that can influence their health and safety. the ability to decline tasks that would endanger their health, safety, and the welfare of others.

Thus, right to review their medical records is not guaranteed to workers by the Occupational Safety and Health Administration Act. Hence option 4 is correct.

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think about the cells you observed. record your observations for each phase of the cell cycle. what distinguishable features do you see in each phase? be sure to use terms like chromosomes, chromatin, nucleus, nuclear membrane, spindle fibers, and describe the arrangement of the genetic material.

Answers

In cell cycle Interphase, M phase and Cytokinesis have different arrangements of chromosomes,nuclear membranes,chromatin etc.Cell cycle involves three phases.

The various periods of a cell cycle include:

Interphase - This stage incorporates the G1 stage, S stage and the G2 stage.

M stage - This is the mitotic stage and is separated into prophase, metaphase, anaphase and telophase.

Cytokinesis - In this stage the cytoplasm of the cell separates.

Interphase is the main phase of cell cycle. The cell stays in the interphase for most extreme periods by covering itself under various nuclear membranes. During this stage the cell sets itself up for division. The cell division goes through cell development and replication of chromatin  during this stage.

During the G1 stage the cell keeps on developing yet doesn't repeat.During the S stage the DNA of the cell duplicates.During the G2 stage the RNA, proteins and different macromolecules expected for mitotic division are created by the cell.

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What happens to a red blood cell in a hypertonic solution.

Answers

Answer: When placing a red blood cell in any hypertonic solution, there will be a movement of free water out of the cell and into the solution. This movement occurs through osmosis because the cell has more free water than the solution.        

Explanation:

Based on the properties of the monomers that make up the phospholipid polymer, which of the following best predicts how the two phospholipids are positioned in the cell membrane?

a)The hydrophilic heads will face outward toward the cell’s exterior and inward toward the cell’s interior. The fatty acids will be tail-to-tail in the center of the membrane.
b)The glycerol region in the fatty acid will bend toward the interior of the cell. The choline will bend toward the exterior of the cell.
c)The hydrophobic heads will bind with other hydrophobic heads and turn inward to the center of the membrane. The fatty acids will randomly move, giving the membrane fluidity.
d)One choline will turn inward toward other choline in the bilayer. The fatty acids will be attracted to the choline and form the interior of the membrane.

Based on the properties of the monomers that make up the phospholipid polymer, which of the following

Answers

Two phospholipids are positioned in the cell membrane ,the hydrophilic heads will face outward toward the cell’s exterior and inward toward the cell’s interior. The fatty acids will be tail-to-tail in the center of the membrane.

A phospholipid generally has a head and a tail. The head of the molecule has a phosphate group and is hydrophilic in nature, it is soluble in water. The tail of the molecule is made up of two fatty acids, which are hydrophobic and do not dissolve in water.

Hence, Two layers of phospholipids where the outer layer has the hydrophilic heads facing toward the outside of the cell and the inner layer have the hydrophobic tails facing toward the inside of the cell.

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Use the table below to answer the following question.

Star Distance from Earth
Sun 15.8 x 10-6 light years
Proxima Centauri 4.2 light years
Epsilon Eridani 10.5 light years
Procyon 11.4 light years


Which of the following most likely appears brightest from Earth?
A.
Sun
B.
Epsilon Eridani
C.
Procyon
D.
Proxima Centauri

Answers

Answer:

Answer A. SUN.

ESO ES TODO

Answer:

i did it in study island

Explanation:

Use the table below to answer the following question.Star Distance from EarthSun 15.8 x 10-6 light yearsProxima

Which cell(s) would be elevated in an allergic reaction?

Answers

I am pretty sure it is mast cells

What systems can you think of? List one or two examples of things that you think might be systems

Answers

Systems can be found in various domains, such as biology, ecology, society, information, and the physical world. Examples include the nervous system, ecosystems, economic systems, computer networks, and the solar system. Systems consist of interconnected elements working together to fulfill a common purpose.

Systems are structures or sets of interconnected elements that work together to achieve a common purpose. There are various types of systems found in different domains. Here are a few examples:

1. Biological Systems:

  - The nervous system: It includes the brain, spinal cord, and nerves, which work together to transmit signals and coordinate bodily functions.

  - The cardiovascular system: It consists of the heart, blood vessels, and blood, responsible for circulating oxygen, nutrients, and hormones throughout the body.

2. Ecological Systems:

  - Ecosystems: A complex system comprising living organisms (plants, animals, microorganisms) interacting with their physical environment (soil, water, climate) in a specific geographical area.

  - Food webs: Systems that depict the interconnectedness of various organisms in an ecosystem through their feeding relationships.

3. Social Systems:

  - Economic system: A network of individuals, organizations, and institutions involved in the production, distribution, and consumption of goods and services within a society.

  - Political system: Structures and processes through which a society governs itself, including institutions, laws, and decision-making mechanisms.

4. Information Systems:

  - Computer networks: Interconnected devices and communication protocols that enable the exchange of data and information between computers.

  - Database systems: Organized collections of data and software designed to efficiently store, retrieve, and manage large amounts of information.

5. Physical Systems:

  - Solar system: A system consisting of the sun, planets, and other celestial bodies held together by gravitational forces.

  - Climate system: The interactions between the atmosphere, hydrosphere, biosphere, and geosphere that influence long-term weather patterns and climate conditions.

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What is the process by which populations of organisms change over time?

Answers

Answer:Evolution is the process by which populations of organisms change over generations. Genetic variations underlie these changes

Explanation:

Choose the statement that is true of meiosis, considering the entire process and the events of all stages.

Answers

Meiosis is a process that involves two rounds of cell division, resulting in the formation of four genetically unique daughter cells with half the number of chromosomes as the parent cell.

Meiosis is a specialized form of cell division that occurs in sexually reproducing organisms. It consists of two sequential divisions, known as meiosis I and meiosis II. The main goal of meiosis is to produce haploid cells, which contain half the number of chromosomes as the parent cell. This is crucial for sexual reproduction because it allows for the fusion of two haploid gametes during fertilization, resulting in the restoration of the diploid chromosome number in the offspring.

During meiosis I, homologous chromosomes pair up and exchange genetic material in a process called crossing over. This genetic recombination increases genetic diversity by creating new combinations of alleles. After crossing over, the homologous chromosomes separate, leading to the formation of two haploid cells with duplicated chromosomes.

In meiosis II, the two haploid cells resulting from meiosis I undergo a second round of division. This division is similar to mitosis, with the separation of sister chromatids, resulting in the formation of four haploid daughter cells. These daughter cells are genetically unique due to the random assortment of chromosomes during meiosis I and the exchange of genetic material during crossing over.

Overall, meiosis ensures genetic diversity and the production of haploid cells necessary for sexual reproduction. It is a complex and tightly regulated process that plays a fundamental role in the life cycles of organisms.

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Which product is a source of energy that plants use to grow?

Answers

Answer:

photosynthesis

Explanation:

They use the sun to help

9. Give 2 Characteristics of:
1. Classical Art
2. Medieval Art
3. Renaissance Art

Answers

Answer:

Renaissance art

Explanation:

What's a real life example of a chromosome?

Answers

Answer:

The "X" or "Y" gene that determines whether you will be a boy or a girl is an example of a chromosome .

Explanation:

What are two functions of dermal tissue in plants?

A. Control the entry and exit of water

B. Cover the outside of plants

C. Contain cells that connect to form pipes

D. Transport water and food

Answers

Un I only know one and it's c.. I hope

Answer:

Dermal tissue covers and protects the plant, and controls gas exchange and water absorption (in roots). Dermal tissue of

Which best expresses the relationship between genes and DNA? Genes contain DNA
DNA destroys genes
Both contain chromosomes
The are unrelated

Answers

Answer: The best choice is "Both contain chromosomes"

Explanation: A gene is a short segment of DNA that works in conjunction with chromosomes to make up someone's genetic code. Hope this helps!

Over various spans of time, human populations have increased, decreased, or remained the same, and at both global and local levels. Which statement best explains this observation?

A. Unlike other populations, the human population changes size because of specific choices of its member
B. Unlike other populations, the humans population has the ability to grow rapidly without limit.
C. Like other populations, the human population is affected by a variety of factors in the environment.
D. Like other populations, the humans population increases and decreases in a cyclical pattern.

Help!! 9th grade Biology
The answer is either A,B,C or D

Over various spans of time, human populations have increased, decreased, or remained the same, and at

Answers

Answer:

D

Explanation:

Which substance is removed from the atmosphere so that plants can carry out photosynthesis?
OA.
nitrogen
ОВ.
water vapor
OC.
oxygen
OD.
carbon dioxide

Answers

Answer:

D. carbon dioxide

Explanation:

What would happen if the salmon were over harvested

Answers

The resources of salmon would decline.

the major chemical constituent of a cell, by weight, is

Answers

Answer:

Water

Explanation:

It is 70% of a cell's weight.

4. Complete each sentence by highlighting the correct word in
parentheses.
a. If two objects of different masses are about to be dropped from the
same height, the heavier one has (GREATER / LESS / EQUAL
AMOUNTS) gravitational potential energy.
I
b. If two marbles are rolled down a ramp from the same height toward a
container, the (LIGHTER / HEAVIER) marble will move the container
more because it has more (POTENTIAL / KINETIC) energy as it reaches
the bottom.
c. If one water balloon is held 1 meter above the ground and another
water balloon the same size is held 3 meters above the ground, the
(HIGHER / LOWER) water balloon has the greater amount of
gravitational potential energy.
d. When balloons are dropped, the (HIGHER / LOWER) balloon will hit the
ground with more force because it will have (MORE / LESS) kinetic
energy.

Answers

Greater, Heavier, potential, higher, higher, more

Greater, Heavier, potential, higher, higher, more are the correct words which can be added to the given sentences to complete them.

What is Gravitational potential energy?

Gravitational potential energy is the energy which an object possesses because of its position in a gravitational field. The most common use of the gravitational potential energy is for an object near the surface of the Earth where the gravitational acceleration can be assumed to be constant.

If two objects of different masses are about to be dropped from the same height, the heavier one has greater gravitational potential energy.

If two marbles are rolled down a ramp from the same height toward a container, the heavier marble will move the container more because it has more potential energy as it reaches the bottom.

If one water balloon is held 1 meter above the ground and another water balloon the same size is held 3 meters above the ground, the higher water balloon has the greater amount of gravitational potential energy.

When balloons are dropped, the higher balloon will hit the ground with more force because it will have more kinetic energy.

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pls help me pls idk how to do this​

pls help me pls idk how to do this

Answers

Hey There!_____________________________________Answer:_________________________________________________WATER CYCLE:

1- Evaporation:-

Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase. For more evaporation, the area that surrounds the surface of the water must be less humid i.e. it should not already be concentrated have the water vapors. For the evaporation we need to increase the temperature of the molecules of water on the surface, which is caused by the Sunlight.

__________________________________________________________

By keeping that in mind,

Drag the box

LIQUID --> GAS

and

WATER TURN INTO VAPOURS AND RISES UP IN THE SKY.

also

ENERGY FROM SUN CAUSES WATER TEMPERATURE TO RISE

_____________________________________2- Condensation:-

Condensation is the change of water from its gaseous form (water vapor) into liquid water.

__________________________________________________________

Keeping that in mind,

Drag box

GAS ---> LIQUID

and

WATER VAPOURS COOL IN THE SKY AND TURNS INTO CLOUDS.

_____________________________________3- Precipitation:-

Anything that is falling from the sky is precipitation. It could be rain, hail, snow, or sleet.

_________________________________________________________

Keeping that in mind,

Drag the box

WATER VAPOURS FALL ON THE EARTH IN THE FORM OF RAIN SNOW HAIL OR SLEET.

_____________________________________Best Regards,'Borz'

Studies of vacuoles reveal that they are *

1 point

A) sites for the attachment of spindle fibers

B) sites of cellular respiration

C) reservoirs for water and dissolved minerals

D) information centers for all cellular activities

Answers

C. Reservoirs for water and dissolved minerals

how do i link my tidal energy power plant working model with the 4 habitats(desert, forests, polar regions and aquatic habitat)?

Answers

Answer:

One way to link a tidal energy power plant working model with different habitats is to study the impact of the power plant on each habitat. For example, in a desert habitat, the power plant may have a minimal impact on the ecosystem, while in a forest habitat, the power plant may have a greater impact on the plants and animals living there. Similarly, in a polar region, the power plant may have an impact on the ice and the animals living there, while in an aquatic habitat, the power plant may have an impact on the water quality and marine life. Additionally, you could research how the different habitats can be used to generate tidal energy.

In response to increased osmotic pressure, the pituitary gland releases ______, which signals the kidneys to retain water, thus reducing urine output.

Answers

The thing released by the pituitary gland to signal the kidney to retain water and reduce urine output in response to increased osmotic pressure is an anti-diuretic hormone or ADH.

Anti-diuretic hormone (other names are ADH, vasopressin, or AVP) is the hormone that maintains blood pressure, blood volume, and tissue water content in the human body by reducing the volume of water passed out in the urine. It does this by allowing water in the urine to be taken back into the body in a part of the kidney, which will allow more water to return to the bloodstream. This way, urine concentration increases and water loss from the body is reduced

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