as you drive along the roadside, you and your friend notice a dead deer that apparently was struck by a car. Your friend comments that she has never seen such a fat deer. "Did you see the size of its abdomen? It was huge!" As a student of forensics, how would you explain to your friend why the abdominal region of the dead deer was so large? CSI

Electrons in photosystem I gain energy by absorbing photons, which excites the electrons from splitting water, later used to form ATP and NADPH.

Electrons gain energy in photosystem I when they absorb photons. The chlorophyll molecules in the photosystem absorb light and become excited. This energy is then used to excite electrons, which are transferred to the primary electron acceptor. The energized electrons come from the splitting of water, a process that occurs in photosystem II and is aided by the light energy captured by chlorophyll a molecules.

Once excited, the electrons travel through the electron transport chain, contributing to the generation of a proton gradient that leads to the synthesis of ATP in chemiosmosis. Then, absorbing a second photon in photosystem I results in the formation of NADPH molecule, another energy carrier important for the light-independent reactions such as the Calvin cycle.

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Organisms from the higher trophic levels consume organisms from the lower trophic levels. During this process, energy is lost as metabolic heat. Primary producers on the first trophic level contain the greatest amount of energy originally from the sunlight. The next trophic level belongs to primary consumers that consume primary producers which result in less energy. Similarly, secondary consumers eat primary consumers, and energy is lost again. The highest trophic level is tertiary consumers and they contain the least amount of energy.

Q6. The answer is Elements continuously cycle between the physical environment and living organisms.

Biogeochemical cycles are pathways by which chemical substances move through biosphere and geosphere (lithosphere), as well as atmosphere and hydrosphere. In these cycles elements are recycled, they are not lost. They continuously cycle between the physical environment and living organisms.

Q7. The answer is grass, grasshopper, snake, hawk.

Figure 3-4 is not attached, however, the logic food web among all choices wood be: grass, grasshopper, snake, hawk.

Grass belong to the producents. Grasshopper is a primary consumer and it eats producent grass. Snake, as a secondary consumer, eats the primary consumer grasshopper. A terciary consumer hawk eats the secondary consumer snake.

Answer:true

Explanation:

ERosion is the process in which the top layer of soil get removed. It involves the loosening of soil from earth’s surface at one location and moved to another location. It causes the filling of valleys, and make rivers appear and disappear as the soil moves from one location to another in the process of erosion.

The statement that wrongly describes the problem with modern landfills is ;

Landfills are built mostly for the storage of industrial and household wastes, which might be harmful to the environment if not properly disposed or left to litter the environment.

when Industrial wastes are disposed in landfills there is the danger of having chemicals leak into ground water thereby leading to water contamination. which is a problem with modern day landfills.

Landfills are usually existing pits, which are controlled by waste management agencies. and therefore do require much land mass but depth to contain the amount of wastes stored in them.

Hence we can conclude that The statement that wrongly describes the problem with modern landfills is ,  It takes a lot of space to contain the amount of garbage produced by households.  

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Answer:

Option C.

Explanation:

If a line passes through two points [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex], then the equation of line is

[tex]y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)[/tex]

From the given graph it is clear that the line passes through the point s(0,0) and (1,1). So, the equation of trend line is

[tex]y-0=\frac{1-0}{1-0}(x-0)[/tex]

[tex]y=x[/tex]

Substitute x=8 in the above equation to find the MOST reasonable measurement at the end of a 8 week period.

[tex]y=(8)[/tex]

[tex]y=8[/tex]

The MOST reasonable measurement at the end of a 8 week period is 8 decimeters.

Therefore, the correct option is C.

Answer:

Its C) because bears are omnivores they eat plants and animals a bear eats berrys and fishes.

Explanation:

The correct answer is genetic variation in the population is decreasing due to selective pressure.  

A phenomenon that changes the fitness and behavior of the living species within a given environment is known as selective pressure. It is the mediating force of natural selection and evolution, and it can be differentiated into two kinds of pressure, that is, abiotic or biotic.  

Answer:

the third option is the correct answer

Answer: The results are more likely to have errors.

Explanation:

An experimental process requires the repetition of a particular step during recording the observations. This process of repetition will allow the development of concordant readings. The similarities in the values of atleast three readings will suggest that the methodology applied is correct and results are accurate and precise. Accepting only one observation to include in the result will lead to inclusion of errors.

Renald completed only one trial of his experiment this will lead to the inclusion of the incorrect observation will likely to include errors in the results.

D) Packages proteins for transport out of the cell

The Golgi apparatus modifies proteins and lipids that were synthesized in the endoplasmic reticulum (ER). This includes the addition of carbohydrate groups (glycosylation), phosphate groups (phosphorylation), and other modifications. It processes and sorts these molecules to prepare them for their final destinations.

The Golgi apparatus also sorts modified proteins and lipids and packages them into vesicles. These vesicles are then transported to their specific destinations within or outside the cell.

Complete Question:

What is the function of the organelle identified as #6 in the picture (it is mostly brown, folded over, and is in the lower right part of the cell)?

A) movement

B) houses the cells DNA

C) house the digestive enzyme

D) packages proteins for transport out of the cell

Primary consumers are herbivores that directly eat primary producers like plants, while secondary consumers are carnivores that feed on primary consumers. Humans can act as primary, secondary, or even tertiary consumers depending on what they eat. The energy flow in ecosystems starts with primary producers and moves up through various consumer levels, with decomposers recycling nutrients from all trophic levels.

In ecosystems, the organisms at the base of the food chain are often photosynthetic, such as plants or phytoplankton, and are referred to as primary producers. The primary consumers are usually herbivores that feed directly on these producers. On the other hand, secondary consumers are typically carnivores that eat the primary consumers, obtaining energy from the food chain's second trophic level.

Humans can serve as an example of how consumers can operate at different trophic levels: they are primary consumers when they eat vegetables (primary producers), secondary consumers when they eat herbivorous animals like cows, and even tertiary consumers when consuming carnivorous animals such as salmon.

Primary producers use processes like photosynthesis or chemosynthesis to convert light or chemical energy into food, and consumers obtain energy by feeding on these producers or subsequent consumers. Decomposers, which include small microorganisms, play a different role by consuming materials from all trophic levels after death, whereas tertiary consumers feed only on live secondary consumers.

Answer: A low melting point.

Covalent compounds are formed by sharing of electrons between atoms of different elements. The bonds formed between these covalent compounds are generally weak therefore, they exhibit low melting point. Candle is made up of covalent compounds having low melting point which facilitates it's burning.

Answer:

(B) low melting point

Explanation:

The correct answer is (4) Autotrophic organism.

Green plants make their own food by the process of photosynthesis using sunlight. Most of the autotrophs use carbon dioxide, sunlight and carbon dioxide to produce glucose that is used by the plants to obtain energy. Most of the oxygen comes from these organisms and decrease in the number of green plants can lead to several problems due to decrease in the amount of oxygen. Example: green plants, algae, and even some bacteria. This food and oxygen is produced by the action of autotrophic organisms

on e2020:

A law is a statement of fact that is generally excepted to be true and universal because it has always been observed to be true.

Final answer:

Viruses are composed of genetic material encased in a protein capsid, sometimes with an envelope with glycoproteins for host cell attachment. Viruses replicate by invading host cells and utilizing their machinery through a series of steps, culminating in the production of new virions. The replication cycles, lytic and lysogenic, are characterized by the specific structure and genome of the virus.

Explanation:

Basic Structure of a Virus

The fundamental structure of a virus consists of genetic material, which is either DNA or RNA, enclosed within a protein shell known as a capsid. Some viruses also possess an additional lipid layer called an envelope, which often includes glycoproteins that help the virus to attach to host cells.

How Viruses Replicate

Viruses replicate by invading and hijacking a host cell's machinery. The process unfolds through several stages: attachment, where the virus binds to the cell; penetration, enabling the viral genetic material to enter; uncoating, which releases the genetic material; replication, where the host cell synthesizes new viral genomes and proteins; assembly, in which new virus particles are put together; and finally, release, where the new virions exit the host cell, often destroying it in the process. Retroviruses, like HIV, use reverse transcriptase to convert RNA into DNA to insert into the host genome.

Classification and Replication Cycles

Viruses are categorized by their replication cycles, the lytic and lysogenic cycles, which depend on their structure and genome. These cycles describe the processes of how viruses produce new particles that can then infect additional cells.

the correct answwer to this question is D Joseph Proust