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zvonat [6]
3 years ago
9

10) Aquaculture ________. A) can bring economic benefits and food security to many developing regions B) has no real environment

al disadvantages C) frequently results in unintended catch of nontarget species D) requires the flooding of fields to produce water-intensive crops such as cotton and rice E) produces less fish per unit area compared to ocean water harvesting
Biology
1 answer:
Arisa [49]3 years ago
3 0

Answer:

A) can bring economic benefits and food security to many developing regions

Explanation:

Breeding, rearing, and harvesting of aquatic plants and animals to sell them and gain economical benefit is called aquaculture. Aquaculture provide many type of benefits like it helps in increasing the global food production therefore it bring food security to many developing region.

It provides a cheap source of protein to the world population. It creates jobs and helps in increasing the economy of a country because it can bring a large amount of money with a small investment. Therefore the correct answer is A.

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When an organism encounters nitrate in its environment, which condition will determine whether the nitrate is used in an assimil
Arada [10]

Answer:

Dissimilatory- oxygen absent

Assimilatory- high concentration of nitrite

Explanation:

In assimilatory nitrate reduction, ammonium is produced and subsequently incorporated into biomass to build up e.g., proteins and nucleic acids. Dissimilatory nitrate reduction is a process for energy conservation, in which nitrate is used as an electron acceptor in the (near) absence of oxygen . Dissimilatory nitrate reduction and nitrate storage in particular are physiological life traits that provide microbes with environmental flexibility (i.e., metabolic activity under both oxic and anoxic conditions) and resource independence (i.e., anaerobic metabolism without immediate nitrate supply), respectively. Such life traits are especially important in environments that are temporarily anoxic and/or nitrate-free and they may have developed as a “life strategy” in both prokaryotes and eukaryotes

4 0
3 years ago
Which of the following is not a step of Natural Selection?
kati45 [8]

Answer:

im pretty sure it is underpopulation.

6 0
3 years ago
The second generation of purebred cross of -hom-ozygo us recessive organism, with a —hom-ozygous dominant organism, contain a ra
Romashka [77]

Answer:

D. 3:1

Explanation:

Gregor Mendel, in one of his numerous studies, performed a cross between purebred dominant (TT) pea plants and purebred recessive (tt) pea plants. All the offsprings of this cross appeared heterozygous tall (Tt) in the F1 generation.

However, when he self-crossed the F1 generation i.e. Tt × Tt, Mendel obtained a phenotypic ratio of 3 tall plants (dominant traits) : 1 short plant (recessive). This showed that the masked gene (recessive) was still present.

8 0
3 years ago
The greatest geohazard for people living in hurricane-prone coastal regions is elevation onshore and bathymetry offshore because
Georgia [21]

Answer:

i think b i not 100%

Explanation:

im going to try c on my test

5 0
3 years ago
In a genetic cross between two flowering plants that are heterozygous for the color trait, red flowers (R) are dominant to white
Sedaia [141]
Draw a punnet square:
R. r.
R. RR. Rr
r. Rr. rr

Any combo that results in an R results in red flowers.

3/4 offspring have red flowers.
3 0
3 years ago
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