How do plants get nitrogen? by absorbing it through evaporation by carrying out photosynthesis by absorbing it from soil by carrying out nitrogen fixation

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Answer 1
Answer:

Plants get nitrogen by absorbing it from soil through its roots.


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Gentoo penguins will present a mate with a pebble that they find to attract a mate. Emperor penguins have a specific call and movement that they make to attract a mate. Which type of isolation do these penguins demonstrate?A.)temporal isolationB.)behavioral isolationC.)geographical isolationD.)anatomical isolation
Biology and geology are two very different sciences, but biologists and geologists use scientific knowledge in the same way. These scientists both use scientific knowledge to_______. A. answer questions and solve problems affecting the natural world. B.investigate the chemical composition of the Earth’s different layers. C.observe and classify living organisms into groups. D.explain the rituals and traditions of human cultures.
Please help:1.Despite differences in size and shape, all cells have DNA and a:A- Cell wallB- MitochondriaC- Cell membraneD- Nucleus2.Which of the following is NOT a part of the cell theory?A- All cells contain a nucleus.B- Cells are the basic unit of structure and function in an organism.C- All living things are made of cells.D- New cells are produced from existing cells.3.When using a light microscope to view a cell she obtained from scraping under her fingernails, Mrs. Smith notices that the cell lacks a nucleus; therefore, Mrs. Smith concludes that the cell must be a type of _____ cell.A- AnimalB- PlantC- EukaryoticD- Prokaryotic4. Which of the following kinds of cell perform basic functions such as obtaining energy from food?A- Plant cells, but not animal cellsB- Animal cells, but not plant cellsC- Both plant cells and animal cellsD- Neither plant cells nor animal cells5.Which cell structures are sometimes found attached to the endoplasmic reticulum?A- ChloroplastsB- RibosomesC- NucleiD- Mitochondria
Describe the typical movement of ciliates.
Make an argument. What organs need to be irrevocably and permanently damaged for a person to be declared dead? Justify your answer.

What do eukaryotic cells have that prokaryotic cells do not? A.Cell membranes B.DNA C.Cytoplasm D.Membrane-enclosed organelles

Answers

Answer:

The answer is D.Membrane-enclosed organelles

Explanation:

Eukaryotic cells have a cytoplasm organized in compartments, with separate or interconnected organelles, limited by biological membranes that have the same nature as the plasma membrane. In the nucleus is the genetic material in the form of chromosomes, where all the necessary information is given so that all the processes both intracellular and outside the cell are carried out.

Eukaryotic cells are more complex than prokaryotic cells and contain various membrane-enclosed organelles, such as the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, and others. The correct answer is D. Membrane-enclosed organelles.

These organelles perform specific functions within the eukaryotic cell. Prokaryotic cells, on the other hand, lack membrane-bound organelles and have a simpler internal structure. They do have cell membranes, DNA, and cytoplasm, which are also present in eukaryotic cells.

Eukaryotic cells have the additional feature of membrane-enclosed organelles, which provide them with compartmentalization and specialization of cellular functions, whereas prokaryotic cells lack these organelles and have a more simplistic internal structure.

Therefore, the correct answer is D. Membrane-enclosed organelles.

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Why is it necessary to use the same restriction enzyme to cut 2 pieces of DNA that are to be joined together?

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The reason why is necessary to use the same restriction enzyme is because
if we don't, the two pieces of DNA that we are trying to joint won't have matching ends and won't join properly.


To insert that gene we first cut him out from a DNA sequence(sequence 1), so To do that we use a restriction enzyme.

Meanwhile, we want to put that piece into another DNA sequence (sequence 2), so we also have to make a cut to be able to insert the gene and that will also be done with the same restriction enzyme.

This restriction enzyme needs to be the same one that cut the gene out of sequence 1. The enzyme recognizes specific sites in DNA, so when joined they will have ends that will match the gene's ends.

Each enzyme cuts a specific sequence with specific ends(that will attach to other DNA). If the two pieces of DNA are cut with different enzymes then their ends will not match up and they will not join properly.

Describe the phases of the moon.

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Answer:

Waxing Cresent ( when the moon is growing in size to reach it's maximum fullness), FIrst Quarter (When the moon is one quarter full), Waxing Gibbous (When the moon is over half full), Full Moon (When the moon is completley full), Waning Gibbous (When the moon is almost half dark), Last Quarter (When the moon is half dark), Waxing Cresent (When the moon is a small cresent shape in the sky), New Moon (When the moon is completley dark)

Explanation:

Hope this helps!! :)

Answer:

Here

Explanation:

Which phrase best describes a biome?a community and its abiotic features
an interacting community of different species
a group of individuals of the same species
a large area dominated by specific kinds of organisms

Answers

Answer:

A biome is a large area dominated by specific kinds of organisms.

(This is 100% correct)

:) Hope this helps!

Which part of the cell membrane is non polar and prevents the cell from dissolving

Answers

The part of the cell membrane that is non polar would be the lipids but I don't think this question is phrased correctly because the cell wouldn't dissolve regardless

Select the correct answer. Why does soil become less fertile the deeper into the Earth it gets? OA The farther down, the more it is removed from organic matter. O B. The percentage of rock dramatically increases after the O Horizon. O C. The D Horizon prevents nutrients from reaching the other levels, OD. Farmers do not take care of soll below the O Horizon. Reset Next​

Answers

Answer:

A

Explanation:

 

Final answer:

Soil becomes less fertile the deeper it goes because the percentage of organic matter, such as humus and living organisms, decreases with depth. This reduction results in a lower nutrient content in the soil, lessening its fertility.

Explanation:

The soil gets less fertile the deeper it goes due to the increased distance from organic matter. The organic material of soil, called humus, is primarily found in the upper levels of the soil. It improves the soil structure and provides water and minerals to plants. As we go deeper into the soil, the quantity of this organic matter decreases which results in the soil being less fertile. The inorganic matter which primarily forms the deeper soil layers contributes less to fertility as it mainly consists of rock and lesser nutrients.

Besides, soil has different layers called horizons, each with distinct physical and chemical properties. These horizons include the A horizon which is a mixture of organic and inorganic products of weathering, and B horizon where there is an accumulation of mostly fine materials that have moved downward. The fertility of soil decreases as we move from the A horizon to the B horizon and further down.

Biological factors also play a significant role in the fertility of soil. The presence of living organisms greatly affects soil formation and structure. However, the number and impact of these organisms decrease with soil depth, also decreasing fertility.

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