label and illustrate an autotroph and a heterotroph organism. i used all my points for this pretty please answer. you will save 10%of my grade

Answer:

8 electrons

Explanation: there are the same amount of protons and electrons in a atom

A neutral atom of oxygen has 8 protons and 8 electrons.

A neutral atom of oxygen has 8 protons and 8 electrons. Oxygen is an element with atomic number 8, which means it has 8 protons in its nucleus. Since atoms are neutral, the number of electrons in an atom is also equal to the number of protons. Therefore, an oxygen atom has 8 electrons.

Answer: Convex

Explanation:

Convex lens refracts the light rays in towards a central point. These lenses are thicker at the middle and when the light rays are passed through it then all the rays are bought close together.

If this lens is placed close to your eyes then image looks slightly magnified because it thicker at the middle.

The functional group that only contains carbon, hydrogen, and oxygen is carboxyl group. The correct option is A.

Functional groups are groups of atoms in a substance that control the complex's chemical behavior include groupings like the hydroxyl group in an alcohol.

The functional group refers to the area of a substance that interacts with another component.

An atom or group of atoms known as a functional group is in charge of a certain chemical characteristic of an organic molecule.

Functional groups are a way to categorise organic molecules. An organic compound with a functional group has a different attribute from what it would otherwise have.

The two functional groups hydroxyl (single-bonded OH) and carbonyl (double-bonded O), which are both connected to one carbon atom, are combined to form carboxyl groups.

The amino group have nitrogen along with carbon, hydrogen, and oxygen, while sulfhydryl group have sulfur in addition.

Thus, the correct option is A.

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OH

This is the anwser on apex

Answer:

Option (C)

Explanation:

A nuclear power plant is considered to be a thermal power station where the main source of heat is the nuclear reactor. Here, energy is released in the form of heat that helps in generating steam. This steam then initiates the motion of the turbines that are connected to a generator. These turbines when rotates produce electricity.

These nuclear plants are less costly and they do not emit any kind of pollution. They are very efficient to use but has certain disadvantage, that the waste materials it releases contain some amount of radioactive element in them and are difficult to dump.

Thus, the turbines in a nuclear power plant is turned on by the steam.

Hence, the correct answer is option (C).

Organisms exhibit homologous structures due to shared evolutionary origins, while analogous structures serve similar functions in unrelated species. Nonliving things are engineered to fulfill specific functions, mirroring the principle of 'form follows function'. Unlike engineered structures, organisms can self-construct and repair, highlighting a key difference between living and nonliving structures.

When comparing the structures of organisms with the structures of nonliving things, such as construction cranes, buildings, ships, airplanes, or bridges, we can observe that both exhibit organization, complexity, and purpose-driven design. In living organisms, structures such as bones and limbs are often homologous structures, meaning they share a common evolutionary origin and can be identified across different species because they exhibit similarities in both form and genetics. For instance, the forelimbs of mammals like humans, cats, and whales all share a basic bone structure, despite their divergent forms and functions.

On the other hand, analogous structures are those which are similar in unrelated organisms due to convergent evolution, serving comparable functions without a common evolutionary origin. An example is the wings of bats and birds; both perform the function of flight but have evolved independently with different bone patterns. In contrast, human-engineered structures are the result of deliberate design processes to fulfill specific functions, such as lifting weights in the case of construction cranes or supporting heavy loads for bridges, showing parallels to the principle of 'form follows function' in biology.

Comparative anatomy has revealed striking similarities between different organisms, reflecting both the diversity and unity of life forms. For instance, a dragonfly's wings and a dolphin's bones both express adaptations for movement, analogous to the structural design of bridges or airplane wings which must support dynamic stresses. However, unlike human-designed structures, living organisms have the unique ability to construct and repair themselves through biological processes, showcasing the profound distinction between biological life and inanimate constructs.

Answer: The correct answer for the blank is-

commensalism.

Commensalism is a long term biological interaction between two organisms belonging to different species where one organism gets benefit and the other organism neither gets benefit nor it is harmed.

In this question, Barnacles living on whales get benefit as they get their food while moving around on Whales. In this interaction, the whales are unaffected.

Thus, this is an example of commensalism.

The correct answer is D. Store urine before elimination.

Bladder is termed as a hollow muscular organ which is found in some animals and human which stores and collects urine from the kidney before it is being disposed by way of urination.

It is via the ureters is how urine enters the bladder and its exit is urethra.

A normal human can hold a maximum of 500mL before an urge of emptying occurs.

Answer:

D. store urine before elimination

Explanation:

One of the bladder's main functions is to __________.

Answer: B. It increases runoff which caries fertilizer

Explanation:

The right option is; C. nucleoid

Prokaryotic cells are simple cells that lacks a definite nucleus and some membrane bound organelles. Prokaryotic cells have a nucleoid region, which is an irregularly-shaped central region of the cell that contains the cell’s genetic information (DNA). Other organelles that can be found in prokaryotic cells include plasma membrane, cell wall, cytoplasm and ribosomes.

Nucleoid is an organelle of a prokaryotic cell that contains genetic information.

Keywords: Prokaryotes, nucleoid, nucleus, genetic information

Level: High school

Subject: Biology  

Topic: Classification of living organisms  

Sub-topic: Prokaryotes and eukaryotes  

The correct answer is ""The these parts of a cell present in plant cells but not in animal cells are called the cell wall and chloroplasts.""

Plant cells and animal cells share many common features, such as a nucleus, mitochondria, and an endoplasmic reticulum. However, there are two major structures found in plant cells that are typically not present in animal cells: the cell wall and chloroplasts.

1. Cell Wall: The cell wall is a rigid layer that surrounds the cell membrane of plant cells. It is primarily composed of cellulose, hemicellulose, and pectin. The cell wall provides structural support, protection, and a filtering mechanism for the cell. It helps maintain the shape of the cell and plant, and it also plays a crucial role in the transport of substances into and out of the cell.

2. Chloroplasts: Chloroplasts are organelles that contain chlorophyll, the green pigment that is essential for photosynthesis. Photosynthesis is the process by which plants convert light energy into chemical energy, producing glucose and oxygen from carbon dioxide and water. Chloroplasts are crucial for the energy needs of the plant and are not found in animal cells, as animals do not perform photosynthesis.

These structures are unique to plant cells and are essential for the survival and function of plants. The cell wall provides strength and rigidity, while chloroplasts enable plants to harness energy from sunlight, which is fundamental to the ecosystem as it forms the base of the food chain.

Answer:

The Correct Answer is

The maintenance of an organism's internal environment within certain limits.

Explanation:

Homeostasis is the consistency and the state of balance of the system.

It further explains the ability of the physiological processes of the internal environment to maintain a relatively steady-state even though the outside world is changing continuously.

There are two types of Homeostasis; Physiological and Psychological.

Answer:

The correct answer is option  D. "traits".

Explanation:

Alleles are specific forms of genes that determine the developed of certain trait in an organism. Alleles are responsible for the development of traits, for instance, the fur color of mice is determined by the expression of different alleles. Therefore, if different individuals of a species of mouse have different alleles they will also have different traits.

Early hypotheses were not tested by experimentation.

One way early scientific practice differed from modern scientific practice is that early hypotheses were not tested by experimentation. In earlier times, many ideas were often developed based on philosophical reasoning, deductive logic, or theoretical speculation without the rigorous experimentation and empirical testing that are central to modern scientific methods.

Over time, the emphasis has shifted to the use of controlled experiments and systematic observation to test hypotheses and validate scientific theories.

Answer:

HYDROSPHERE

Explanation:

The lithosphere is the solid outer portion of earth. It includes the crust and a small portion of the upper mantle. The rocks present in this region are determined which are hard and undergoes deformation due to the stress that acts on it. The region has been explored and sufficient data has been acquired.

The atmosphere is defined as the gaseous envelope that surrounds the earth. The different layers of atmosphere has been constructed depending upon its height and temperature. The composition of atmosphere is also identified that are present in a definite amount. This amount can either increase or decrease due to the changes in the earth's surface.

The biosphere is the region that includes the hydrosphere, atmosphere and lithosphere where life occurs and interacts between them. Sufficient study has been made regarding this zone and were able to understand how life occurs depending upon the various factors.

The hydrosphere refers to all the water bodies on earth, including the glaciers and the ice bergs.  

The terrestrial areas have been explored easily because it is possible for a person to visit those sites but it is not possible to go at a deeper depth to study the structure and the components of the deep water bodies. Although, much of the information has been regarding this sphere, but still the deep water portion such as the deep sea trenches are yet to explore. It is not possible because at this depth, the pressure is extremely high and lift is normally difficult to exist at this pressure condition. But there are some animal and plant species that can grow and survive at this condition.

So, much more is needed to study regarding the hydrosphere.

The most important sphere to study may vary by perspective, but all four spheres, the lithosphere, hydrosphere, atmosphere, and biosphere, are interdependent, influencing Earth's climate, geography, and life.

Understanding the different spheres of Earth is crucial because they are deeply interconnected and collectively influence the planet's climate, geography, and life. The four main spheres are the hydrosphere, lithosphere, atmosphere, and biosphere. The lithosphere includes solid rock, soil, and minerals. The hydrosphere encompasses all forms of water on the planet. The atmosphere refers to the layer of gases surrounding the Earth, and the biosphere comprises all forms of life and their interactions with the other spheres.

Each sphere is important in its own right, but if we must consider which sphere is the most crucial to study, it could vary depending on the perspective and context. The hydrosphere is often emphasized due to its essential role in the water cycle and life support, interacting dynamically with the atmosphere, lithosphere, and biosphere. This interaction includes fundamental biogeochemical cycles, such as those for water, carbon, and nitrogen, which are critical for life on Earth.

However, determining which sphere is the most important is subjective and largely depends on what aspect of Earth's systems one considers most vital. The lithosphere provides the foundation for habitats and is a source of valuable resources, the atmosphere is crucial for climate and weather patterns, the hydrosphere is indispensable for all life, and the biosphere is the sum of all ecosystems. The study of any single sphere is incomplete without considering its interactions with the others.