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elixir [45]
3 years ago
7

How is an invasive species introduced to a new ecosystem?

Biology
2 answers:
sergey [27]3 years ago
8 0

via transacution is the answer i think

sergejj [24]3 years ago
3 0
Via transacution , this means replacement of usual
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Do organisms always stay in the same level
mel-nik [20]
No they don't

For example humans. Technically humans are place below a wild predators such as sharks in trophic levels.

But the fact is we can eat sharks. So , organisms don't always stay in the same level
3 0
3 years ago
2. Copy/paste and align the first 5 bases of all introns. Which bases are conserved near intron start ("donor site")?
Delicious77 [7]

Answer:

This question is incomplete

Explanation:

Introns are non-coding regions of a DNA that removed by RNA splicing prior to translation. Alignment is usually done between sequences to see and understand the identity and similarity between two or more sequences.

A region/base is said to be conserved if there is  NO change in any base in that particular region. A multiple sequence alignment (MSA) can be used to align the donor sites of all the introns to see the bases that have not "changed" (and still remained in there exact position) hence conserved across all the donor sites.

NOTE: The donor site of an intron is the 5' end, thus the first five bases in the 5' end are to be used here

5 0
3 years ago
Many organisms live in and on the human body. State which type of symbiotic relationship exist between human host and the follow
Aleksandr-060686 [28]
A. parasitism. The plasmodium is helped while the human host, harmed. 
b. mutualism. The bacteria is supplied with a living environment while the host human is supplied with vitamin K
4 0
3 years ago
Which of the following describes prophase of mitosis?
tigry1 [53]

Answer:

Daughter chromosomes move toward opposite poles of the cell.

Explanation:

Prophase is the beginning of cell division. At this stage, the CHROMATIN from which the chromosomes are formed thickens and twists spirally and CHROMOSOMES are formed which become visible under a microscope.

CENTRIOLS are organelles whose main role is to form a dividing spindle during cell division, now they separate and move towards the poles of the cell.

When they reach the poles, the threads of the dividing spindle are formed between them. Chromosomes are attached to these threads.

4 0
2 years ago
How does the energy move from organism to organism in the food chain (who eats who)?
NeTakaya

Answer:

predators consuming prey transfers the energy that the prey original received from plants which get their energy from the sun

4 0
1 year ago
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