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Law Incorporation [45]
3 years ago
7

Many species are introduced into new areas every day through ballast water and international shipping; however, not all of these

species become established or invasive. Which of the characteristics would be the most likely in a species that would establish itself and become invasive?
Biology
1 answer:
erica [24]3 years ago
3 0

For a introduced species to be invasive species, there needs to be certain characteristics of the species.

<h3><u>Explanation</u>:</h3>

Invasive species are the species that belong to some other place and are introduced to a new place by means of any human interference. But many species are often transferred from one place to another. But not all of them remain there as an invasive species. This is because for being an invasive species, they need to have certain characteristics:

A. They need to have high rate of reproduction.

B. They need to have short dormancy periods.

C. They need to have high generic variability.

D. They need to be polyphagous and gregarious.

E. They need to have high dispersal rate and great adaptability.

F. They need to have phenotypic plasticity.

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maksim [4K]

Answer:

It reflects the amount of force an object exerts

Explanation:

A newton is a unit of force that will accelerate one kilogram of mass one meter per second squared.

6 0
3 years ago
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Who can help me on this?
steposvetlana [31]
Option a is the correct answer
7 0
2 years ago
The cell theory eventually replaced the concept of spontaneous generation as a result of what experimental evidence?
Arisa [49]

<u>Answer:-</u> <em>Option C </em>- evidence that microorganisms cannot grow in boiled broth when new organisms were not allowed to enter.

<u>Explanation:-</u>

  • <em>Theory of spontaneous generation</em> stated that the living organisms can be created from non living matter. However, this theory was disapproved and replaced by the <em>cell theory</em> which stated that all living organisms are created from cells and new cells arise from pre-existing cells.
  • There were several experiments conducted by various scientists to disapprove the theory of spontaneous generation however, the experiment that was most successful to do so was the one conducted by <em>Louis Pasteur</em> in 1859.
  • <em><u>Description of the experiment:-</u></em>

-In his experiment, Pasteur boiled a meat broth in a flask (it was known that boiling the broth kills the micro organisms) and then heated the neck of the flask to bend into a S- shape.

The purpose of the S shaped neck was to allow the air to enter into the flask but not the micro-organisms as the micro organisms will settle by gravity in the neck and not reach into the flask.

<em>observations of the experiment</em> :-

1. Pasteur observed that even though the air entered the flask no micro organisms were growing in the flask.

2. Further,when he tilted the flask so that the broth came in contact with the part of the neck where the air borne microorganisms could have settled he was able to observe microbial growth in the flask.

These observations laid the theory of spontaneous generation to rest and proved that <em>organisms can only grow in the presence of pre-existing cells </em>which in this case were the microorganisms.  

4 0
3 years ago
Which of the following best describes the flow of energy in the Everglades food web shown below? (2 points)
antiseptic1488 [7]
The correct answer is B.
A food web typically start with a plant which serves as the primary producer of food for the other living organisms that are in the food web. The food web is made up of many tropic level, only about 10% of the energy in one tropic level is transferred to the next trophic level. 
Looking at option B, you will discover that the food web start with a plant which is mangrove. Insects feed on mangrove, southern leopard frog feed on insects and raccoon feed on American alligator.
8 0
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as an environment changes some organisms have a higher fitness than others in the new environment this can lead to???
Ymorist [56]
I believe D is the answer. It sounds most suited. If i’m wrong please lmk ! Also I apologize in advanced if Im wrong!
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