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Bond [772]
2 years ago
12

Introduced species can threaten biodiversity because they

Biology
2 answers:
eimsori [14]2 years ago
6 0
They can create competition within a certain niche
enyata [817]2 years ago
5 0

Answer:

The introduced species are usually defined as those species that are entirely new to an ecosystem or biodiversity, and are not native to that particular place. They can occur naturally and can also be transported by humans. They are commonly considered as exotic species.

The appearance of these species can cause great harm to the biodiversity. It can cause changes in the food-chain within an ecosystem. They can outnumber the native species. They can also consume all the food present in an ecosystem and can causes changes in the habitat. The process of hybridization can also take place with the native species.

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Please answer the following questions correctly​
Oksi-84 [34.3K]

Answer:

i.   Name each of the parts labelled I, II, III, IV and V.

                           {5 marks}

I - Crown / Enamel

II - Dentine

III - Cement / Periodontal membrane

IV - Jaw bone / Root

V - Pulp Cavity

ii   What is the function of each of the parts labelled I and III?

                    {2 marks}

I - Protects teeth from harmful bacteria

-- Enable teeth withstand pressure of chewing

-- Cutting / chewing / protects dentine / protect pulp cavity

III - hold tooth firmly (in socket / Jaw bone)

iii  Which of the labelled parts could be affected by tooth decay?

                                   {1 mark}

V - Pulp cavity

iv  State three ways by which tooth decay may be prevented.

                      {3 marks}

→ avoid using sharp-pointed objects

→ avoid having dry mouth

→ use water containing fluorides to wash teeth / mouth

→ avoid smoking

→ the teeth should be cleaned regularly after each meal / remove food particle from the teeth / flossing

→ wash the mouth vigorously after each meal

→ regular visit to the dentist

→ avoid eating too hot foods

→ avoid eating too much sugary food

→ avoid eating too cold food / taking too cold drinks

Explanation:

6 0
2 years ago
How long does it normally take to process one 12-ounce beer from your system?
Darina [25.2K]

Once the alcohol goes into our system, an ounce of it is process for a period of one hour.

The first stop happens in the stomach where absorption through the gastric lining and bloodstream occurs. Stronger drinks are absorbed more quickly. The second stop happens in the brain where its function decreases/ is increasingly impaired as the BAC or blood alcohol content grows. The third stop will be in the heart. However, it should be noted that it does not receive any physical alcohol, but its effects on the heart are strong. Alcohol is a vasodilator which means it causes blood vessels to dilate. This indicates more blood flow through the body-- but lowers the overall blood pressure. The fourth stop will be in the kidneys where blood is filtered. The fifth stop will be in the bladder where it will excreted from the body. Lastly, the liver is where the rest of alcohol left in your system is broken down. This process is known as metabolizing. The chemical that remains after metabolization is acetaldehyde and the body gets rid it by further metabolizing it into carbon dioxide and water.

Therefore, an ounce of alcohol is processed in our body for 60 minutes or one hour.

7 0
3 years ago
A 400 kg box and a 200 kg are to pushed across a horizontal table, the exact same distance with the exact same force. Which box
marysya [2.9K]

Answer:

The 200kg

Explanation:

Because 400kg is more weight and the 200kg would be much easier to push

5 0
2 years ago
imagine you were a plant. would you be able to survive without the other plant structures? why or why not?
liq [111]
Yes, a plant would as long as a living creature is in the area to exchange oxygen and carbon dioxide. It is not totally necessary for other plants to be in the immediate vicinity but is necessary for all living things to live. As mentioned before carbon dioxide and oxygen must be exchanged. (The more the merrier(do not add this)).<span />
8 0
3 years ago
Which type of memory has an essentially unlimited storage capacity?
Bumek [7]
The cloud develops all of our memory in our phones and computers and stores it for later use
4 0
3 years ago
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