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Alexeev081 [22]
3 years ago
13

White perch is a fish that is native to Atlantic coastal regions and is invasive to the Great Lakes. It feeds on native species

and is thought to be the cause of the decline of the Great Lakes walleye fish populations. What was most likely its mode of introduction? produce brought from the eastern states trapped in a ship's ballast or a water tank trapped in a cargo crate carrying nonperishable items luggage brought in an overseas flight
Biology
2 answers:
VARVARA [1.3K]3 years ago
8 0

ANSWER:  Trapped in a ship's ballast or water tank.

REASONING:  There are many examples of species being transported in the ballast or water tank of ships.  Ships need to be stable so they don't turn over.  Stability is provided by weight in the bottom part of the ship called the ballast.  This weight often comes from water that is stored in water tanks or the ballast area of the ship.  Water is taken in to the ballast at the beginning of its voyage.  When it arrives at it's destination, the ballast water is often drained.  Anything living in that water will also be drained in to the new location.  This is how species like the white perch can be introduced into new areas.

emmainna [20.7K]3 years ago
5 0

Answer:

Trapped in a ship's ballast or water tank.

Explanation:

that's the only logical way a fish could make itself into the lakes.

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Answer:

C. Pseudo science is also known as 'fake science' because whatever is said is impossible to prove with the scientific method, and a pseudoscientist's mindset is that it's correct until proven wrong.

8 0
3 years ago
A research biologist is studying cells from a new organism recently discovered in the Brazilian rain forest. She determines that
scoray [572]

Answer:

(2⁵)²: 1024 combinations

Explanation:

In this case, the chromosome haploid number (n) of the target species is equal to 10, and therefore its diploid number (2n) is equal to 5 (i.e., somatic cells in the target species contain 5 pairs of chromosomes). That means that one individual can produce 2⁵ or 32 different gametic combinations. Moreover, the number of possible combinations that emerge from paring different gametes (sexual reproduction) can be calculated as (32)² = 1024 combinations.

5 0
3 years ago
Air that enters the pleural space during inspiration but is unable to exit during expiration creates a condition called
azamat

Air that enters the pleural space during inspiration but is unable to exit during expiration creates a condition called Pneumothorax.

<h3>What is Pneumothorax?</h3>

An abnormal buildup of air in the pleural space between the lung and the chest wall is known as a pneumothorax. Shortness of breath and quick, acute, one-sided chest discomfort are common symptoms .  A tension pneumothorax happens when an area of injured tissue forms a one-way valve, increasing the amount of air in the gap between the chest wall and the lungs.  As a result, there may be an oxygen deficiency that worsens with time and low blood pressure. Obstructive shock is a type of shock that results from this and can be lethal if left untreated.  A pneumothorax can very infrequently affect both lungs.  Although the term "collapsed lung" can also refer to atelectasis, it is frequently used to describe it.

Learn more about Pneumothorax with the help of the given link:

brainly.com/question/27974865

#SPJ4



4 0
1 year ago
For sucrose to be moved from a leaf (source) cell to a root (sink) cell, sucrose is first actively transported into the phloem f
Natali5045456 [20]

Answer:water diffuses into the phloem from the xylem and sucrose moves to the sink

Explanation:Translocation is the movement of ready produced food substances from the site of production to places in the plant where food is needed. such as the roots.the place where food is produced is called the source, the the place where food is used up is called the sink.the leaves are the source in a plant.photsoynthates, which is the plant manufactired food, may move up and down the stem ,majorly to areas of storage and growth.

Surose is the major intermediate product of photosynthesis.it is the form in which sugar is transported.it is conducted by the phloem vessels.this takes place in the long sieve elements that forms the sieve tubes

The high percentage of sucrose in the phloem sap causes water to pass into it from the xylem. This then causes the sap to move from source to sink.

At the sink, sucrose diffuses out of the phloem.it is either stored up or used for growth and repairs

4 0
3 years ago
I don't know how to delete this
cluponka [151]
It be like that sometimes
8 0
4 years ago
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