Which trophic level contains the organisms that are source of all chemical energy used in an ecosystem

Answers

Answer 1

Answer:

Answer:

The correct answer would be producers as they convert light energy to chemical energy by photosynthesis.

Explanation:

The food chain is a sequence of transfer of energy and food to one organism is consumed by the other.

Trophic level is the position or the place of organisms share in the food chain. Producers are the trophic level placed in the bottom of the food chain.

Producers (plants) convert light energy into chemical energy by the process of photosynthesis. This chemical energy transfer from one trophic level to another. Producers provide food and energy to other trophic levels when they consume producer as their food. The green plants and blue-green algae are the examples of producer trophic level.

Thus, the correct answer would be producers.

Answer 2

Answer: Producers/plants ultimately contain the organisms that provide that energy.

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if an organism is a unicellular eukaryote, which domain/ kingdom would it belong too? is it archaea, fungi, or animal?
Which of the following areas in a secondary lymphoid organ allows intimate contact between blood and the lymphocytes?red pulp of the spleengerminal centers of the lymph nodesHassall's corpuscles of the thymuswhite pulp of the spleen
A man is exposed to large amounts of ultraviolet radiation while sunbathing on the beach. This exposure causes genetic change in the DNA of a skin cell. In the future, this change can be passed on to his what?
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The sporophyte of an unknown plant species grows as a separate plant than the gametophyte. The plant produces both female and flagellated male gametes from the same gametophyte, and it releases spores into the environment. Which of the following is the best conclusion about the life cycle of this plant? (2 points)The plant is a gymnosperm, and the gametophyte is its dominant phase.
The plant is an angiosperm, and the gametophyte is its dominant phase.
The plant is a moss, and the sporophyte is its dominant phase.
The plant is a fern, and sporophyte is its dominant phase.

Answers

Answer:

The correct answer would be "The plant is a fern, and sporophyte is its dominant phase".

Ferns refer to the lower plants which do not bear flowers, have leafy or feathery fronds, and they reproduce by spores.

They show alternation of generation in which sporophyte is the dominant stage.

The mature diploid sporophyte releases haploid spores with the help of meiotic divisions.

The haploid spore divides by mitotic division and matures into a haploid gametophyte. The single gametophyte bears antheridium and archegonium which release flagellated male gametes and egg (female gamete) respectively with the help of mitotic division.

The gametes fertilize to produce a diploid zygote.

The zygote divides mitotically and matures into the diploid sporophyte.

Answer:

The plant is a fern, and sporophyte is its dominant phase.

Explanation:

Hope this helps

Although all these are necessary to provide to children, which is considered a basic need. A. medical care
B. transpiration
C. entertainment
D. education

Answers

I believe the answer would be: "D: Education "

So two of the four options can be correct. It just depends on who you ask and how in-depth you want to think about this question.

Lets define basic needs in layman's term: it can be seen as supplies available that help in long-term well-being of someone in a physical manner.

healthcare aka medical care is considered a basic need along with education. Medical care can prolong the life of a child and education can help a child or an adult get a job in which they can earn a descent amount of income so they can support themselves, which also helps extend their life and knowledge is power. Many poor people live short lives because of lack of medical care and education. If people are educated then they can learn about the do's and don'ts in health. I think medical care and education can intertwine.

It just depends on how you see it or how your professor sees it. If you explain how medical care and education intertwine then he/she might see that and give you credit based on which ever option you select. I would just double check with what he/she wants just to be on the safe side.

Hopefully this helped and best of luck to you!!!

What did scientific investigations on sudbury's soil reveal

Answers

Scientific investigations on Sudbury's soil revealed the decrease
in soil pH was correlated with increased copper and nickel levels.

What did Charles Darwin mean when he stated that some organisms were 'more fit' than other organisms?A) some organisms were heavier and stronger
B) some organisms were more likely to reproduce
C) not all organisms had the same natural life span
D) not all organisms were equally suited to gathering food

Answers

When Charles Darwin stated that some organisms were 'more fit' than other organisms, he meant that some organisms were more likely to reproduce. He meant that some organisms are more likely to pass on more desirable and useful traits to offspring than other organisms. The correct answer is letter "B."

Answer:

Explanation:

How might chemosynthetic organisms help scientists to understand how life developed on earth?

Answers

Organisms that are chemosynthetic process chemosynthesis. It is a series of chemical reactions that convert the energy in food into ATP. In contrast to photosynthesis which is using sunlight to convert and create food from the gained resources such as water, carbon dioxide and the sunlight, itself.
These two process differ from which the product they process or undergo to produce food and converted into energy for the cell to use in its many cellular activities.

Frog hearts have a chamber where deoxygenated blood can mix with oxygenated blood. What structure would help prevent this mixing? A. atria
B. pericardium
C. septum
D.blood vessels

Answers

The answer is septum.
Frog hearts have 3 chambers - one ventricle and two atria. The left atrium receives oxygenated blood, and the right atrium receives deoxygenated blood and they both empty into the ventricle. Since there is only one ventricle, oxygenated and deoxygenated blood will mix. If there would be a septum in the ventricle, similar to those in lizards, less mixing will occur. Anyway, in frog's ventricle, there is a ventricular fold that prevents complete mixing of oxygenated and deoxygenated blood.

Answer:

C. septum

Explanation:

The septum of the heart is the dividing wall between the right and left sides of the heart.

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