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dusya [7]
3 years ago
6

Certain bacteria living in a human's large intestine help to produce vitamin K. The bacteria get nutrients from the human. This

relationship is an example of * mutualism commensalism plant parasitism animal parasitism
Biology
1 answer:
o-na [289]3 years ago
3 0
Well its a perisite 
but i dont no what the answers are 
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Humans have fished the prawns and small fish in an estuary to near extinction. Describe the impact this could have on the bacter
Yuri [45]

Answer:

Overfishing is one of the major concern no a days in aquatic systems. overfishing is resulting in the extinction of aquatic organisms and it can lead to several damage to other living organism.

Prawns and small fishes are important organisms in food web or in aquatic system as they maintain the bacterial level or other microorganism level in control.

Prawn and small fishes utilize oxygen and nutrients present in water to survive, if they will get extinct the amount of nutrient and oxygen left will be used by the bacteria and mold living in the system which can have bad impact on human and other organism.

Heron and pelican populations depends on prawn and small fishes for survival as they feed on them and when there will be not sufficient population of  prawn and small fishes, there are chances that heron and pelican populations can also get extinct.

6 0
3 years ago
Trace the path of an egg cell by filling in the blanks.
Nadya [2.5K]
The path of an egg cell: After the egg breaks through the ovarian wall, it travels into the fallopian tube which overlies each ovary. From there, it reaches the uterus or womb. If the egg is fertilized by a sperm cell, it is implanted in the endometrium.
3 0
2 years ago
Read 2 more answers
A chromosomally XY fetus has a completely functional SRY gene and develops fully functional testes that produce both testosteron
ale4655 [162]

Answer:

Neither the Wolffian ducts nor the Mullerian ducts will develop

Explanation:

SRY gene is the gene is located on the Y chromosome and it is responsible for the development of testes.

MIS is Anti-Müllerian hormone which has the role to prevent the development of  Müllerian ducts (they develop into female internal genitalia).

Androgen insensitivity syndrome is a disorder characterized by unfunctional androgen receptors. If androgen receptors are not working properly,  the Wolffian ducts (they develop male internal organs) will not develop.

So, with MIS and withandrogen insensitivity syndrome, this fetus will not develop neither the Wolffian ducts nor the Mullerian ducts.

7 0
3 years ago
The following table provides phenotypic data for a population of mammoths living in cold environments based on fossil and DNA ev
-Dominant- [34]

Answer:

Individuals with thicker fur had a survival advantage in the cold

Explanation:

4 0
2 years ago
What event happens that transitions a star into a
Arte-miy333 [17]

Answer:

a supernova explosion

Explanation:

may be it helps u a lot.

4 0
2 years ago
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