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myrzilka [38]
3 years ago
6

ANYONE PLSSSS!!!!

Biology
1 answer:
Tatiana [17]3 years ago
4 0

Answer:

There are many invasive animal sand plants which are harmful for native flora and fauna. Some of the invasive or alien species are as following:

<u>1. The Nile Perch:</u><em> </em>Nile Perch is a type of fish which is native to African lake and river systems but if it is introduced in other countries lake it can be dangerous to other fishes in that lake. It was earlier introduced to Lake Victoria but after sometime it was evaluated that native fishes got extinct and the Nile Perch become very huge in size.

<u>2. The cotton whitefly: </u> Cotton whitefly are native to India but now can be found on most of the continents and have very bad impact on the fauna or agricultural plants. They have capability of transmitting upto 100 different plant viruses. find them thriving

<u>3. The desert locust:</u> The desert locust is a species of locust which can fly and are one of the most disastrous migratory pests in the world. They feed over green green vegetation, including pasture, crops and fodder. They have very bad impact on native flora as they are migratory pests. They are found in Africa and migrated to nearby countries such as India and damages the native flora.

<u>4. European starlings:</u> European starlings are the bird species which fight with native species for food and shelter. They are found in Alaska and Mexico and proved invasive in U.S. as the number of native birds decreased with their introduction.

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Answer:

Explanation:

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2. Ferns sporophytes are differentiated into true leaves, stems and true roots while mosses lack true roots, stems and leaves.

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2 years ago
Describe the process of seed germination
Slav-nsk [51]
Basically the seed contains 2 parts, the testa, which is the seed coat that protects the seed and cotelydon, which is the inside of the seed, containing the radical and plumle.
for seed to germinate, we need 3 basic conditions,
warmth, it is the suitable temperature for seed germination, it can influence the activity of enzymes. providing a optimum temperature
water, to soften down the testa so that the shoot can break out from the testa
and oxygen, for aerobic respiration
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If these conditions are absent, the seed may be in the state of dormancy. where is won't germinate until it meets the suitable conduction.
after that, the enzyme will digest the nutrient inside the seed and provide amino acid, which is necessary to seed germination. and meanwhile the aerobic respiration provides energy, so that the plumlecan shoot out, and be the shoot of the plant.
and then until it grows leaves, it'll start to complete photosynthesis, instead of using the nutrients inside the cotelydon.
7 0
3 years ago
Explain translation in dna
Schach [20]

Answer:

deoxyribonucleic acid in short DNA

It is a double helix

It is a molecule that contains the instructions an organism needs to develop, live and reproduce.

<em><u>translation in dna</u></em>

DNA translation is the term used to describe the process of protein synthesis by ribosomes in the cytoplasm or endoplasmic reticulum. ... tRNAs carry particular amino acids, which are linked together by the ribosome. In this process, the mRNA is decoded to produce a specific amino acid chain, known as a polypeptide.

4 0
3 years ago
What are the steps in the life cycle of a typical massive star?​
umka2103 [35]

Answer:

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Explanation:

please give me a heart

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3 years ago
Two models of the same compound are shown.
guajiro [1.7K]

Answer: pretty sure it’s C

Explanation: model a (3D model) it shows how the atoms connect. Model b doesn’t. Hope this helped

6 0
3 years ago
Read 2 more answers
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