pls help me I don't understand this​

Answer:

A, C, E

Explanation:

If the beetles disappeared from this community, changes likely to occur include

The beetles are insects which eat up strangler figs and a decrease mean an increase in its number.

The population of fruit bats will increase as they will have more strangler figs available for food.

Poison dart frogs will decrease because they feed primarily on beetles in the ecosystem.

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Answer:Cellular respiration in plants and animals involve chemical reactions with oxygen that release stored energy. ... Plants, algae, and many microorganisms use the energy from light, carbon dioxide from the atmosphere, and water to make sugars (food) through the process of photosynthesis, which also releases oxygen.

Explanation:

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The role of photosynthesis and cellular respiration in the cycling of matter and the flow of energy through the ecosystem is the following:

The fundamental energy source of all ecosystems is the Sun, which sends a large amount of energy to Earth in the form of light and heat.

The various green plants use energy from the sun, water and nutrients from the soil, and carbon dioxide from the air to produce organic matter.

The process by which light is used as an energy source to transform CO2 into organic compounds essential for life is called photosynthesis.

The manufactured organic matter is used by the photosynthetic organisms themselves for the maintenance of their vital processes through cellular respiration.

Energy, once solar energy is transformed by producers into chemical energy by making organic matter in photosynthesis, is transmitted along with matter.

In each transfer of energy, between the different types of organisms there is a release of energy to the environment, in the form of heat.

On the contrary, matter flows cyclically, chemical elements are transferred between living beings and in the physical environment of each ecosystem.

Therefore, we can conclude that the role of photosynthesis in the cycling of matter and the flow of energy through the ecosystem is to produce the transformation not only of inorganic into organic matter, but also of light energy into chemical binding energy, oxygen is released as a waste product and is used by most organisms for cellular respiration.

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Answer: Cell wall, DNA,  plasma membrane

Explanation:

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The cellular component necessary to build a bacterial cell include:

These are micro-organisms which can't be seen with the eyes but with the use of instruments such as microscope.

They lack a nucleus and their DNA is usually found in the nucleoid region of the cell.

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Answer:

The correct answer to this question is "poriferia."

Explanation:

The common example of this group of animal is the sponge. Sponges are the basalmost clade of animals of the phylum Porifera. Given that you were on a research expedition in the Kingdom of Tonga, a coral atolll in the South Pacific, you can be able to find these sponge.By definition, coral atoll is a ring-shaped coral reef including a coral rim that encircles a lagoon partially or completely.

Answer:

The correct answer to this question is "poriferia."

The common example of this group of animal is the sponge. Sponges are the basalmost clade of animals of the phylum Porifera. Given that you were on a research expedition in the Kingdom of Tonga, a coral atolll in the South Pacific, you can be able to find these sponge.By definition, coral atoll is a ring-shaped coral reef including a coral rim that encircles a lagoon partially or completely.

Explanation:the common example of this group of animal is the sponge. Sponges are the basalmost clade of animals of the phylum Porifera. Given that you were on a research expedition in the Kingdom of Tonga, a coral atolll in the South Pacific, you can be able to find these sponge.By definition, coral atoll is a ring-shaped coral reef including a coral rim that encircles a lagoon partially or completely.

Answer:

Explanation:

It would take 50 years to return to atmospheric CO2 levels from the year 1800. I know this because I set the fossil fuel usage to 0 and proceeded to simulate 50 years and that’s when the atmospheric CO2 levels returned to 600 GtC.

As per observation It could take 50 years to go back to atmospheric CO2 degrees from the yr 1800.

Each year, there has been no extrade in the quantity of CO2 withinside the ecosystem because of soil and land plants. coal also can be the answer.

Since 2000, the worldwide atmospheric carbon dioxide quantity has grown with the aid of using 43.5ppm, an growth of 12 percent. The contemporary-day document of atmospheric carbon dioxide degrees commenced with observations recorded at Mauna Loa Observatory in Hawaii.

Thus it is well explained.

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Answer: D

Explanation: community forms an ecosystem by its interaction with the abiotic environment. Species: A group of organisms that can potentially interbreed to produce fertile, viable offspring.

Answer:

16. Carbohydrates  

17. Lipids

18. Carbohydrates

19. Carbohydrates

20. Lipids

21. Lipids

22. Carbohydrates

23. Lipids

Explanation:

Carbohydrates are organic molecules composed of carbon, hydrogen and oxygen. Carbohydrates can be classified into three types: monosaccharides (e.g. glucose), disaccharides (e.g., lactose), and polysaccharides (e.g., starch). Cellulose is a carbohydrate where many glucose rings chain together, while chitin is a polysaccharide consisting of chains of modified glucose molecules.

Lipids represent a diverse group of organic molecules that include, among others, fats, waxes, oils, hormones, etc. Lipids play a role by insulating (and protecting) the body. For example, there is a layer of fats beneath the skin which enables to maintain body temperature relatively constant. In animals, lipids constitute about 50% of the mass of cell membranes. These membrane lipids are mainly phospholipids, glycolipids and cholesterol. There are hormones that derive from lipids such as steroid hormones, which derive from cholesterol. Some examples of steroid hormones are testosterone, estrogen and cortisol.

Answer:

Spring, Summer, Winter, and Fall

Explanation:

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Answer:

Spring, Summer, Autumn (Fall) and Winter.

Explanation:

With respect to one another, galaxies have been found to be moving farther apart from each other. The correct option is 2.

Galaxies are large areas that contain stars, dark matter, dust, interstellar gases, etc. It is a gravity-bound system that contains everything in its own place.

There are many galaxies, some are still undiscovered. Our galaxy in which the earth is present is called the Milky Way. It is called the Milky Way because due to many stars it looks like a shiny white path.

Now, the Big Bang Theory says that the universe is made up of expanding of a single point. And the universe is still expanding, so the galaxies' and other matters still going farther away.

Thus, the correct option is 2. Moving farther apart.

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Answer:

All these chemicals are primary causes of pollution. Although, only one isn't an air pollutant. Which would make my best Guess C. Nitrate

Explanation:

A. Methane Is the main component in gas and oil. Oil companies have been responsible for polluting our air with about seven million tons of methane per year.

B. Nitrogen gas in general is one of the main air pollutions. otherwise know as Nitrogen dioxide.

C. Nitrates are found in ground waters and transfers into the soils surrounding said waters. Nitrates commonly are a cause of death in infants when drinking tab water or eating crops grown from nitrate infected soils. Adults aren't nearly as infected by this.

D. Carbon Dioxide is a greenhouse gas that pollutes our air and has been a main cause of global warming.

I'm at a loss for answering this question since all of these are polluting our earth in some way. The only way I can think to answer this is that all but one are air pollutants. So maybe the one that is not a air pollutant is the correct answer. My best guess is C. Nitrate

Hopes This Helps :)

Answer:

Explanation:

In 1976, The Viking 1 and Viking 2 probes landed on Mars. For six years they transmitted fascinating panoramic views of the red and rocky soil of Mars back to Earth. Twenty years passed before a third probe landed on Mars. In 1997, the Pathfinder probe landed a miniature vehicle named Sojourner on the planet. The probes operated for three months and sent back large amounts of data on the Martian environment. At the same time, the Mars global surveyor probe was placed in orbit to take an overall portrait of the planet. It supplied hundreds of thousands of bits of information, especially on climatic variations.

Answer:

Viking 1 and Viking 2 probes transmitted panoramic views of the red and rocky soils back to Earth after six years later. The Pathfinder probe sent back large amounts of data of the environment especially about climatic variations in only three months. You can tell the technology was very different between these two because of how long it took for each probe to gather data.  

Answer:

The cell membrane only alows certian materials to move through the membrane. Just like a security guard the membrane sorts through the good stuff and lets it past, but if someone or something bad comes along the security guard stops it. Just like the cell membrane.  

Answer:

1. give up 1

2. give up 2

3. give up 3

4. gain 3

5. gain 2

6. gain 1

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Answer:below

Explanation:

ρ =  m/V=  

1470 gram/42 milliliter

=  35 gram/milliliter

=  35000 kilogram/cubic meter

Answer:

Color, luster, streak, hardness, and cleavage

Explanation:

Answer:

Photorespiration

Explanation:

Answer:

Reproduction is the process of producing offspring, whereas heredity is the process

of passing on traits.

Explanation:

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Reproduction generally means making copy of something, like giving birth/breeding, duplicating.

Heredity is inheritance of traits/ passing on traits from parents t thsir child/children through genes. It makes children have same traits as their parents and looks so what same like their parents!

They definitely aren’t same!

Reproduction is the process of producing offspring, whereas heredity is the process of passing on traits.

Heredity, also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information.

Heredity explains why offspring resemble, but are not identical to, their parents and is a unifying biological principle. Heredity refers to specific mechanisms by which characteristics or traits are passed from one generation to the next via genes.

Heredity can be defined as the transfer of genetic characters from parents to offsprings by the process of fertilization, where the nuclei of male and female gamete fuses with each other and forms the genetic material of the zygote.

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Answer:

(A) rate=

Sp

Ss

st

Explanation:

The rate of chemical is a measure of the speed of a chemical reaction.

The measurement of the reaction rate is based on the disappearance of a reactant or appearance of a product with increasing reaction time.

Reaction rate is usually expressed in terms of a change in concentration of the chosen reactant or product per unit of time.

During a reaction, the concentration of the reactant decreases exponentially with time while that of a product increases exponentially with time.

Reaction rate  = [tex]\frac{change in concentration of a reactant/product}{Time taken}[/tex]

Answer:a

Explanation:

Answer:

I believe the answer is A

Explanation:

Answer:

Now you know what this is!

Explanation:

Answer:

glycolysis hope this helps <3

Explanation:

In stage one, glucose is broken down in the cytoplasm of the cell in a process called glycolysis. In stage two, the pyruvate molecules are transported into the mitochondria

Answer:

glycolysis

Explanation:

Answer:water pollution

Explanation:

Answer:

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Does Soil Affect Flower Color?

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Mary Simpson

This flower must have grown in neutral soil, with little aluminum.

In some varieties of bigleaf hydrangeas (Hydrangea macrophylla), soil pH determines whether the plant will produce blue or pink flowers. Blooms appear bluest when grown in acidic soil with a pH in the 5.0 to 5.5 range. The same cultivar may sport pink blossoms in soil with a more neutral pH, such as 6.5 to 7.0. Florists control flower color by potting soil mixture

A medical-alert bracelet that informs first responders of a fall or an emergency and this made her conclude that the soil in her grandmother’s garden is alkaline while that in her garden is acidic.

The technology that can help her stay in her home instead of moving to a nursing home is a medical-alert bracelet that informs first responders of a fall or an emergency.

The medical alert bracelet is vital as it will help during emergencies as first responders will be made aware of the grandmother's situation and can then respond on time.The same batch of seeds produced blue flowers in her home and pink flowers in her grandmother’s home.

This is the best option as other options doesn't have to do with emergencies. Rita planted hydrangeas in her and her grandmother’s home. The same batch of seeds produced blue flowers in her home and pink flowers in her grandmother’s home.

Therefore, A medical-alert bracelet that informs first responders of a fall or an emergency and this made her conclude that the soil in her grandmother’s garden is alkaline while that in her garden is acidic.

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In interspecific competition, members of two different species use the same limited resource and therefore compete for it

Answer:

.....

Explanation:

....

Answer:

putting motor oil or leakage of oil in oil carrying ships