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Ganezh [65]
3 years ago
10

Which of the following structures is NOT a part of the respiratory system?

Biology
1 answer:
ValentinkaMS [17]3 years ago
8 0

Answer:

Uvula.

Explanation:

Respiration may be defined as the process of exchange of gases between the body tissue, lungs and the environment. Oxygen is inhaled and carbon dioxide is exhaled out during the process of respiration.

The choanae, external nares, epiglottis and mouth plays an important role in respiration. Uvula is mainly involved in the production of the salivary gland. The uvula moistens the area and also involved in the speech process. Hence, uvula do not play important role in respiration.

Thus, the correct answer is option (b).

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Keystone predators can maintain species diversity in a community if they _________. A. competitively exclude other predators B.
Alisiya [41]

Keystone predators can maintain species diversity in a community if they  prey on the community's dominant species

Option B is correct.

What is meant by keystone predator?

A keystone species is usually a dominant predator whose removal allows a prey population to explode and often decreases overall diversity. other forms of keystone species are those, like coral or beavers, that significantly alter the habitat around them and thus affect large numbers of other organisms.

Are keystone species always predators?

A keystone species is usually , but not always, a predator. Just some predators can control the distribution and population of large numbers of prey species. the whole concept of keystone species was founded on research surrounding the influence of a marine predator on its environment.

Learn more about keystone predators:

brainly.com/question/506554

#SPJ4

8 0
2 years ago
Help please!!! I give Brainliast please help
Simora [160]

Before you tackle this essay, there are two charts attached, which will probably help you a lot more, but I still wanted to provide you with a written portion just in case. Be warned, the essay is pretty large. :) Hope this helps!

Non-living Components

There are subatomic particles like electrons, protons, and neutrons. And we could go at micro nano levels too. But we will start with atoms to explain the hierarchy.

Atoms: it’s the smallest unit of any substance in the entire world. Atom is made of neutrons, protons, and electrons. The number of electrons and protons in an atom decides what kind it is starting with Hydrogen in the periodic table which has only 1 electron and 1 proton

Molecules: it’s a group of atoms which are attracted together to bind together in strong or weak bonds.

Biomolecules: there are specific molecules which are required for living organisms called biomolecules. These help in different metabolic activities happening in a living body. Biomolecules are naturally found in the environment or are synthesized in the body.

Living components

Organelle: these are a specific section in the where biomolecules are used or synthesized. Several biochemical reactions happen in this particular space. Each organelle has its own lipid layered membranes to enclose all the reaction in them.

Cell: cells are the basic unit of life in which each has its own set of organelles in it. All the organelles have their own function and collaborate with each other taking care of the requirements of the cells.

Tissue: Cluster of the same group of cells functioning at its own. Cell to cell interaction can be seen in a tissue.

Organ: Group of tissue which cluster up to become functional and work with specific goal.

Organ systems: the organs connect together to work for a specific goal creating an organ system.

Organism: it’s an independent living system which comprises at least one cell or more.

Population: it’s a cluster of organisms of the same species associated together.

Biocoenosis or Community: 2 or more species assemble in a particular geographical area interacting each other.

Ecosystem: According to a particular environment, a group of organisms collaborate and survive as an ecosystem. This depends on the nonliving environment surrounding the organism.

Biome: it’s a community of ecosystem which survives in common environment. There are 2 major subdivisions for a biome. They are Terrestrial and Marine. But again there are a number of subdivisions for these 2 which include types like Tropical, Tundra, desert, Pelecypod, Coral etc.

Biosphere: biosphere is the collection of all ecosystem. Earth is one biosphere where you can find all the living ecosystem that we know exist.

All the living organisms we find are a small part of this hierarchy. It took a ton of research, which meant a lot of time and work to put forth this organization from a single atom to a biosphere which is the most complicated one. The hierarchy of organizations of life, help us to understand that we humans are not the dominant beings present in this world. This world belongs to much more than we can think of. Also, we need a mutual relationship with each segment of the hierarchical levels.

Here are a few charts/diagrams to help you out.

Hope this helps!


3 0
3 years ago
F Tyler does not eat a diet that includes essential amino acids, his cells will not be able to build
Ira Lisetskai [31]
The answer should be proteins. Because the protein is consists of different kinds of amino acids(usually 20 in total). And our cell can not produce essential amino acids itself. 
3 0
3 years ago
Read 2 more answers
Your muscles get sore when you sprint for 400m or across the basketball court due to
Ulleksa [173]

Answer:

Lactic acid fermentation.

Explanation:

Lactic acid fermentation is responsible for the production of lactic acid. During intense activity, there is an excess of lactic acid fermentation that leads to high lactic acid concentrations, which in high quantities is toxic and causes soreness in the muscles after intense exercise.

8 0
2 years ago
How can these forelimbs explain how life changes over time?
Sonbull [250]

Answer:

The correct answer would be divergent evolution showing by homologous organs.

Explanation:

In the illustration human arm, the flipper of the dolphin, wings of bat and forearm of frog are shown. All  these four forelimbs have a different function, however, these forelimbs are having the same underlying anatomy.

The organs having basic structure and origin, but different functions are known as homologous organs. These organs point towards the same ancestor from these organisms evolved. They show a case of divergent evolution.

When related species become less similar in order to adapt and survive in different conditions, evolution is called divergent evolution.

Thus, these forelimbs provide evidence for divergent evolution.

5 0
3 years ago
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