Discuss the adaptations that have enabled flowering plants to overcome the following problems associated with life on land. Be very specific in your description of the adaptations which help angiosperm survive in a land based environment as opposed to an aquatic environment. There are multiple adaptations. Study this before trying to write so that you can include a variety of features. a) The absence of an aquatic environment for reproduction. b) The absence of an aquatic environment to support the plant body c) Dehydration of the plant

A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically officially authorized and maintained by a sovereign state, with its members identifiable by their distinct military uniform. 

Answer:

Cell counter inverted microscope and liquid nitrogen storage incubator are the technologies used in the cell culture.

Explanation:

Cell culture needs control environment for the production of cells in order to avoid contamination from other microbes. For this reason, liquid nitrogen storage incubator is used which decreases the temperature in order to slow down the process of cell division and other cellular processes and also provide safety from contamination. Cell counter inverted microscope is used to see the growth of the cells at the bottom of storage tank.

Answer:

incubator

Explanation:

Answer:

Random mating

Explanation:

Random mating is a type of mating that allows individual to have equal chance of been mated to.

AA genotye is mated with aa from a population and they produce

Four individuals with Aa

AA × aa

!

F1: Aa Aa Aa Aa

This individuals then intermate in the next generation to produce an offspring with three difference genotype AA, Aa, aa in ratio 1:2:1 this is called segregation of genes. This allow to see the variation and hidden features of the individual mated.

Aa × Aa

!

AA Aa Aa aa

F2: 1/4 AA, 1/2 Aa, 1/4 aa

Answer:

Work

Explanation:

Work can be referred to as the application of a force (F) over a distance (d). In other words, WORK is done when an applied force causes a body to move. Hence, work is a product of the force and the displacement in the direction of the force i.e. W = F × d

In this case, a desk is PULLED along the floor in your classroom, this best indicates WORK because a force (pull) is applied on the desk causing it to move over a distance in the direction of the pull.

The concept that makes it legally right to reproduce a substantial portion of the works of another person with permission is Copyright. Option A

The concept of copyright grants the creator of an original work the sole rights to its use and distribution, usually for a limited time, with the intent of enabling the creator to receive compensation for their intellectual effort.

When someone else wishes to reproduce a substantial portion of those works, they must usually get permission from the copyright holder.

This permission can take the form of a license or contract that outlin the tems under which the work can be used.

The above answer is in response to the full question below;

Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?​

A. Copyright

B. Fair use

C. Freedom of information

D. Intellectual freedom

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Answer:

Conceptually, our research addresses integrative questions in evolutionary biology, ecological genomics, and global change biology.

A description of the compost bin that can be used for this experiment is that the bin is a rectangle-shaped container that is made of wood. This container is 150 cm wide and 30 cm deep. It can hold up decaying materials for up to one month.

The compost can be used to store decaying materials that will be used in a nearby farm for manure. Composting is the act of storing up decomposable materials that remain in a container until they are ready for use.

The compost so obtained can be used to improve the fertility of the soil where crops will be planted.

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Answer:

Transcription and replication are important processes that occur in cells but have distinct differences.

Similarities between transcription and replication:

1. Both transcription and replication involve the synthesis of nucleic acids. In replication, DNA is copied to produce an identical DNA molecule, while in transcription, DNA is used as a template to produce RNA.

2. Both processes occur in the nucleus of eukaryotic cells, although replication also occurs in the cytoplasm of prokaryotic cells.

Differences between transcription and replication:

1. Template: In replication, the entire DNA molecule serves as the template for copying. However, in transcription, only a specific DNA segment, called a gene, serves as the template for synthesizing an RNA molecule.

2. Product: Replication results in the production of an identical DNA molecule, while transcription produces an RNA molecule that is complementary to the DNA template.

3. Enzymes involved: Replication requires the involvement of multiple enzymes, including DNA polymerase, helicase, and ligase. Transcription, on the other hand, involves RNA polymerase, which catalyzes the synthesis of RNA from the DNA template.

4. Base pairing: During replication, DNA bases pair with their complementary bases (A with T and C with G) to produce an exact copy. In transcription, RNA bases pair with complementary DNA bases (A with U and C with G), resulting in an RNA molecule complementary to the template DNA strand.

Overall, while transcription and replication involve the synthesis of nucleic acids, they differ in terms of their templates, products, enzymes involved, and base pairing patterns. These processes are essential for cell function and crucial in genetic information transfer and maintenance.

Explanation:

The dissection of an eye  is referred to as macroscopic anatomy and is denoted as option B.

This is defined as the study of anatomical structures which can be seen by the eyes without assistance due to the relatively large structure.

Eyes is an example of a structure which can be seen with the eyes and don't require the use of microscopes because it is an organ which is formed from the aggregation of tissues.

This therefore the reason why macroscopic anatomy was chosen as the most appropriate choice.

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Answer:

Explanation:

okay i will help u too:)

Answer:

birds and cows are consumers. grass and trees are producers. Mushrooms are decomposers

The best explanation of the movement of molecules is water is moving out of the cell at a faster rate than into the cell.

The cell is the basic unit of life. The cell is semipermeable, that's why some components can move out through the cell and moves into the cell.

The full question is attached below, given a scenario, according to it the molecules are coming out at the faster rate.

Thus, the correct option is C.

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Answer:

Water is moving out of the cell at a faster rate than into the cell.

Explanation:

Answer:

The statements that are true are: Plants are not the only photosynthetic organisms, Algae is a type of photosynthetic bacteria, and Cyanobacteria are a group of bacteria that carry out photosynthesis. Not all bacteria can do photosynthesis; some bacteria obtain energy through other processes such as chemosynthesis.

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In the of the nephron, unwanted particles of metabolic waste are removed and wanted particles (glucose, vitamins, amino acids, and chloride salts) are reabsorbed into the bloodstream.

The nephron consists of Bowman’s capsule ( where blood is initially filtered ) and glomerulus which is a tuft of capillaries. Bowman’s capsule and a glomerulus together form the renal corpuscle.

The renal tubule extends from the capsule and it consists of proximal convoluted tubule (selective reabsorption), a loop of Henle (establishes a salt gradient) and distal convoluted tubule (selective reabsorption).

Therefore, In the of the nephron, unwanted particles of metabolic waste are removed and wanted particles (glucose, vitamins, amino acids, and chloride salts) are reabsorbed into the bloodstream.

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24. If a cell has 10% NaCl (salt; or solutes) and 90% water inside of it and the environment it is placed in has the same NaCl to water ratio, the direction that osmosis will occur is no net movement; option C is correct.

25. If a cell has 30% NaCl and 70% water inside of it and the environment outside the cell is 10 % NaCl (salt; or solutes) and 90% water, the direction that diffusion will occur is into the cell; option A is correct.

26. If a cell has 30% NaCl and 70% water inside of it and the environment outside the cell is 10 % NaCl (salt; or solutes) and 90% water, the direction in which WATER will move is into the cell; option A.

27. Endocytosis is NOT a form of passive transport; option D is correct.

28. The structure MOST responsible for maintaining homeostasis is the cell membrane; option D is correct.

29. In the egg lab, the type of solution we were putting the egg in when we had it sit in distilled water is hypotonic; option C.

30. In the egg lab, the type of solution we were putting the egg in when we had it sit in syrup is isotonic: option A.

31. If you are floating aimlessly on a small boat in the middle of the Pacific Ocean with sharks swarming and you are dying of thirst, it would not be a lifesaving decision to drink the seawater around you to quench your thirst because the seawater is hypertonic.

What are hypertonic, hypotonic, and isotonic solutions?

A hypertonic solution is a solution whose concentration is greater than the concentration of the solution in the cell.

A hypotonic solution is a solution whose concentration is less than the concentration of the solution in the cell.

An isotonic solution is a solution whose concentration is the same as the concentration of the solution in the cell.

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Answer:

The study of living organisms divided into many specialized fields that cover their morphology physiology anatomy behavior origin and distribution

The advantage is related to the protection of the genome. An envelope is responsible for protecting the genome while the virus travels between host cells. The envelope also plays a role in the infection, because it has glycoproteins in its surface to identify receptor sites on the host's cells. After the identification, the virus binds itself on the host's membrane.

Answer: the Answer is A

Explanation:because just look up the definition for convection it will help you understand it more bc i dont know how to explain my answer hope it is correct

The best description of how energy from the Sun causes convection in the atmosphere is Sunlight warms the air near Earth's surface, causing it to expand. When air expands, it rises, and cooler air moves in underneath it. The correct option is A.

Convection, often known as a heat transfer mechanism, is a method of moving heat. When a fluid, such as air or water, is moving, this heat transfer takes place. Temperature differences within the fluid cause convection.

In free convection, air or water rises and is replaced by a cooler parcel of air or water as it moves away from the hot body.

Therefore, the correct option is A. Sunlight warms the air near Earth's surface, causing it to expand. When air expands, it rises, and cooler air moves in underneath it.

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Answer:

If the water concentration inside the cell is higher then that of the medium (i.e. the medium is hypertonic solution) the number of water molecules diffusing out will be more than that entering and the cell will shrink and shrivel due to osmosis.

Explanation:

Hope this help

Embryonated chicken eggs represents an in vivo method for cultivating viruses. (option c)

To cultivate viruses in a living system, an in vivo method is used. Among the options provided, embryonated chicken eggs are the most commonly used method for culturing viruses in a living organism.

HeLa cells: HeLa cells (a) are human cancer cells commonly used in laboratory research, but they are not a living organism suitable for virus cultivation.

Pure bacterial cell cultures: Bacterial cell cultures (b) are often used to study bacteriophages, which are viruses that infect bacteria. However, this method involves culturing viruses in bacterial hosts and does not involve a living organism.

Embryonated chicken eggs: Embryonated chicken eggs (c) are a widely used method for virus cultivation. In this method, viruses are injected into the developing embryo, which provides an environment for viral replication. The embryos provide a controlled and nutrient-rich environment for the viruses to grow and propagate.

Lung cell culture: Lung cell culture (d) involves growing lung cells in a laboratory setting. While this method can be used to study certain viruses, it is an in vitro (outside a living organism) method rather than an in vivo method.

In conclusion, the in vivo method for cultivating viruses among the options provided is embryonated chicken eggs. This method provides a living system in which viruses can replicate and propagate. (option c)

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Answer:

To conduct an investigation on the effect of organic materials and fertilizers on soil texture, you can follow these steps:

Define the independent and dependent variables:

Independent variable: type of organic material or fertilizer used (e.g. compost, manure, chemical fertilizer)

Dependent variable: soil texture (e.g. water-holding capacity, porosity, bulk density)

Design the experiment:

Choose a representative soil sample and divide it into several equal portions.

Treat each portion with a different organic material or fertilizer.

Control for extraneous variables by maintaining consistent environmental conditions (e.g. temperature, moisture levels) for each soil sample.

Collect and analyze data:

Measure the dependent variable (soil texture) for each soil sample after a set period of time (e.g. after 2 weeks).

Compare the soil texture of the treated samples to the control (untreated) sample.

Use statistical analysis to determine if any significant differences exist between the treatments and the control.

Draw conclusions:

Based on the results of the data analysis, draw conclusions about the effect of different organic materials and fertilizers on soil texture.

Determine if there are any significant differences in soil texture between the treatments and the control.

To conduct the investigation:

An experiment is a technique used to confirm or deny a hypothesis, as well as assess the likelihood or effectiveness of something that has never been tried before.

Experiments show the relationship between the independent and dependent variables.

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RNA polymerase is an enzyme that synthesizes RNA, copying a DNA sequence. It "reads" de DNA template strand in order to synthesize an RNA strand. It synthesizes the RNA strand in the 5' -> 3' direction, reading the DNA strand (a template) in the 3' -> 5' direction. Therefore, the correct answer is b) 3' -> 5' along the template strand.

Answer:

true

Explanation:

Explanation:

true

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Answer:

I know this is brief but it is the 2nd law

Explanation:

The basic elements of the nervous system are called neurons (Option C).

The neuron cells of the nervous system are the most important cells of this organ system which are responsible for receiving and sending messages to the brain and thus transducing the signals from the surrounding environment

These cells (the neuron cells of the nervous system) are also known as nerve cells due to their relative importance in this organ system and s they receive sensory signals from the surrounding conditions and also motor executive functions to the muscle cells.

Therefore, with this data, we can see that the neuron cells of the nervous system are the most important cells of the nervous system whose main function is to transmit messages from the surrounding input environment to functions that are processed into the brain.

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